Document YDGanZdDBw7gd502eyd20voz8

OFFICERS Presidtn/ Ray W. Pafford Fort Worth, Texas Pr(Jiden/.Ele(/ Robert Twells Fostoria, Ohio riet.Presidents William O. Brandt Los Angeles, Calif. John F. McMahon Alfred, N. Y. Rolland R. Rou p Milwaukee, Wise. ~rDougherty burgh, Pa. General Sure/ary and Edi/or Charles S. Pearce Columbus, Ohio Commil/ee on Publicalions J. J. Canfield Chairman W.R.Kerr C. H. Hahner Karl Schwartzwalder. C. S. Pearce (ex officio) Milnaging Editor James S. Welch Editorial Assis/anls Mary Ann Weigelt Emmoline R. Jamra Eill/ern ReprestntatiDe WlIIiam T. Mohrman, Jr. 501 Fifth Ave., !'ew York 17, N. Y. Phone: Oxford 7.2369 Offices _ t'UliDt, tditorial, and adDer. : 2525 North High St., mbus 2, Ohio. Phone LA. 7012. A.T.&T. Teletype, CL593 Puhlication: 20th & North ampton Sts., Easton, Pa. PLAINTlFPS I EXHIBIT CCAEMR-5-01456 eramlC~ ulletin October, 1954 CONTENTS Papers Gun-Placed Silica Cupola Linings T. E. Barlow and P. D. Humont 301 Automatic Spraying of Glazes ...................... 307 R. J. Verba Pozzolans-Their Properties and Manufacture ............ 309 Rudy L. Nordmeyer Articles Eisenhower Letter .............................. 311 Wollastonite as a Ceramic Material ............ 312 Pereny Kilns ................................ 317 Nominations for Officers : 322 Rosters Membership Roster ....................... Rf Institute Roster ............................. R.1 OS Departments In Print for Ceramists 3 Sections 313 Mai Ibox for Readers 4 Schools 315 Meetings Calendar 6 Institute Page 316 Personal Notes 12 Authors 318 Out of the Kiln Men & Positions Advertisers Index 13 16, 17 18 Names BuildiRg Progress 320 321 I'" I 6400 copies of this issue were printed i~ "LA'~....... )44 9CiIffil)INi"-.""'.!i*!f .. Membership Roster ....c. The American Ceramic Society .' .... "'>:'~is Roster of members is published only for the use of members of The American Ceramic Society. Listings are in alphabetical . A separate Roster for the Xational Institute of Ceramic Engineers, showing grades of membership, is on pages R-105 to R-1OS a,.thisissue. Xew members received too late to be included are listed in the Addenda on page R-1IJ3. >;~-:These listings give the member's preferred mailing address. \\'here this is not his business ac1dress his compan,' connection is shown ili"parentheses. Divisions and other Society affiliations are indicated in parentheses following each name, in accordance ,,'ith the code Jiwiibelow. The absence of any such designation indicates that the member is from outside the Lnited States or a student member. iieitlierof which has Division affiliation . . '.,' ," M-Materials and Equipment Division R-Refractories Division. S-Structural Clay Products Division \\'-White Wares Division X-Xo Division affiliation F-Fellow of The American Ceramic Society J-Junior Member I-Xationallnstitute of Ceramic Engineers ADCOCK. Lawrence W., Jr. (Wl 459 W. Washington St., Frankfort, Ind. (P. R. Mallor)' & Co., Inc.) ADDERLEY, James R. 42 Church St., Brierle)' Hill S. Stafford, England ADERHOLD, GeM~ H. (Wl Saxonburg Ceramics, Box 100 Saxonburg, Pa. AFFLERBACH, Harry (E) R.R. 4, Frankfort, Ind. (Ingram-Richardson, Inc.) AGASHE,R. 1':. (Bricks) Tata Iron & Steel Co. Ltd. P. O. Kumardhubi E~I, Dt. Manbhum, India AG~EW, G. D. (W) Universal Potteries, Inc. Cambridge, Ohio AHEARN, V. P. (M) Xational Industrial Sand Assn. 1325 ESt., !'o:. W., Washington 4, D. C. AHL, George W., Jr. (W) Summit Mining Corp., Bashore Bldg. Carlisle, Pa. AKAM, J. W. (S) Natco Clay Products. Ltd. Aldershot, Ont., Canada .-\KMORAK, Miss Huban I, Cobankizi Sokak, Buyukdere Istanbul, Turkey (Turkish Glass Works) AKRON PORCELAIN CO. (F. W. Butler) Akron 14, Ohio ALBERS-SCHOENBERG, Ernst (W) 13-B3 Redfield Village, Metuchen, K J. (General Ceramics Corp.) ALBERT, Joseph (W) Albert Pottery, Chamblee, Ga. .-\LBERTALLI, Stephen L. (GJ) Coming Glass Works, Harrodsburg, Ky. ALBERY, D. F. (SFI) 1433 23rd St. !'o:. W .. Canton 9, Ohio (Stark Ceramics. Inc.) .-\LBRECHT, Ernst Keramische Fachschule Hoehr-Grenzhausen/b Kobl~nz. Germany .-\LCOCK, Ronald H. "Ferrum" Espana 402-600. Avellaneda Buenos Aires, Argentina (Ferrum. L. A. de Ceramica y Metalurgia) ALDE~, Charles E. (G) 1214 Parkside Blvd., Toledo 7, Ohio (Kimble Glass Co.) .-\LELt'IA, Joao C. F. Av. Araujo E Silva-59 Aveiro, Portugal ALEX IUS, Carl Axel Iittala Glasbruk, Iittala. Finland .-\LEXANDER, A. E. <G) Tiffany & Co., 727 Fifth Ave. !'o:ew York 22. X. Y. .-\LEXAXDER, John B. (~l) Southwestern Portland Cement Co. 1034 Wilshire Blvd. Los Angeles 17, Calif. ALEXAN DER. John ~l. (:Ill) 2376 Hamilton .-\\'e. Xorth Bellmore, X. Y. (Swindell-Dressler Corp.) ALEXANDER, R. B. (W) National Tile & ~Hg. Co. 1200 E. 26th St.. Anderson, Ind. ALGEMENE VERENIGING VOOR De NEDERLANDSE AARDEWERK EN GLAS INDUSTRIE (H. G. P. Kolfschoten) Haaweg 139, Rijswijk, ):etherlands ALLEX, Alfred W. (R) Ceramic Engineering Dept. Vniversit) of Illinois, C rhana, III. .-\LLEN, Ben (G) Coming Glass "'orks, Corning. ~. Y. .-\LLEX. Ralph (W) 1234 Paddock Hills A\'e. Cincinnati 29, Ohio (John Douglas Co.) ALLE:\, RICH.-\RD L. (RI) E. J. La,'ino & Co., Box 365 Xewark. Calif. ALLEX, Robert G. (R) Rohert G .\llen Co., Box liD l\!echaniC\'ille, X. Y. ALLEX, Walter C. (R I l'. S. Steel Corp. Research L.ab. Lincoln High\\'ay, Kearny, X. J. ALLE:\, Warren 'W., Jr. (5) Hydraulic Press Brick Co. South Park, Ohio ALLIANCE WARE. LTD. (R. E. Strain) Box 550, Vancou\'er, B. c., Canada ALLIEGRO. Richard A. (RJ) 33-05 150th St., Flushing 54, X. Y. (Xew York State College of Ceramics) ALLTSOX. Adrian G. (R) Battelle ~!emorial Institute 505 King A,e., Columbus I. Ohio .-\LLISOX, Leroy W. (M) Ceramic Publishing Co., Inc.. Box 9073 Xorth Station. Xewark. X. J. ALDIAJ\, Orin H. (G) Kimble Glass Co., 2626 Dorr St. Toledo 7. Ohio ALT, Leslie R. (51) 547 Simon St .. Hayward, Calif. (Kraftile Co.) AL T:\IAXX. Berton G. (B) 16700 Cypres" \\'ay. Los Gatos, Calif. (Kaiser Aluminum & Chemical Corp.) ALTON BRICK CO. (Eben Rodgers, Jr.) Alton, TIL ALUMINUM CO. OF AMERICA (A. R. Pickett), 1501 .-\lcoa Bldg, Pitt,hurJ,:h 19, Pa, ROSTER 1  AMBERG, Charb R. ,~n) Alfred l'ni\. Research L.ab., R.R. I Box 212B, Kingston, X. Y. AMBROSE, Mary S. (D) 582 Neff Rd., Grosse Pointe 30, Mich. (La Driere Studio) AMBROSONE, Joseph P. (G) 170 Reynolds Ave., Corning, N. Y. (Corning Glass \Vorks) AMERICAN CLAY FORMING CO. (Dan McPhail) Tyler, Texas AMERICAN COLLOID CO. (Paul Bechtner) Merchandise ~lart Plaza, Rm. 813 Chicago 54, 11l. AMERICAN ENCAUSTIC TILING CO., INC. (Robert A. Williams, Jr.) ~inth St. & Kenilworth Ave. Lansdale, Pa. AMERICAN GAS ASSOCIATION (e. G. Segeler) 420 Lexington Ave. New York 17, N. Y. AMERICAN LAVA CORP. (John Kruesi) Chattanooga 5, Tenn. AMERICAN NEPHELINE LTD. (H. R. Deeth) Lakefield, Ont., Canada AMERICAN OPTICAL CO. (A. H. Bennett) Research Center, Southbridge, Mass. AMERICAN PORCELAIN ENAMEL CO. (Robert Long) 1285 Keating Ave. Muskegon 36. ~lich. AMERICAN POTASH & CHEMICAL CORP. (R. M. Curts) 122 E. 42nd St., New York 17, N. Y. AMERICAN RADIATOR & STANDARD SANITARY CORP. (James S. Goodman) 834 E. Broadway Louisville 4, Ky. AMERICAN SMELTING & REFINING CO. (L. G. ~latthews) 120 Broadway. New York 5, N. Y. AMERICAN WINDOW GLASS CO. (A. S. Crandon) 9 West Park Way Pittsburgh 12, Pa. AMES. R. N. (RI) 10718 S. Morgan St., Chicago 43, Ill. (U. S. Steel Corp.) AMES, Robert G. (W) 69 Jefferson Ave., Cresskill, N. J. (B. G. Corp.) AMIN, M. G. 2154 Hawthorne Ave., Toledo 6, Ohio AMIN. R. B. Alembic Chemical Works Co., Ltd. P. o. Chemical Industries Ba roda 3. India A~fMERMAN. J. H. (R1) 202 Scribner, DuBois, Pa. (Xorth American Refractories Co.) A~fRHEIX, Alan G. Box 1659 Georgia Institute of Technology Atlanta. Ga. ANCHOR HOCKING GLASS CORP. (William V. Fisher) Lancaster, Ohio A~CIZAR-SORDO, Jorge Laboratorio Quimico ~acional ~I inisterio de }'Iinas y Petroleos Apartado 2577, Bogota. Colomhia A~DERSO~, Harry L. (RI) Republic Steel Corp.. \\'arren, Ohio A~DERSO~. Herhert H. IG) 4fll ~. ~Iain St .. Port .-\lle<:any. Pa. (PittsburghCorning Corp.) A:\DERSO~, Orson L. IG) Bell Telephone Lahs .. ~Iurray Hill. ~. J. A~DERSO:\, R. E. (\\') Robertson :'[fg. Co., Box 848 Trenton 5, N. J. AXDERSON, Richard C. (R.n 3516 W. Sunnyside, Chicago, III. (Lindherg Engineering Co.) AXDERSON, Rupert C. (\\') Valley View R.R. 2, Kew Brighton, Pa. (Mayer China Co.) 2 ROSTER A~UERSU~, Scott 11";1 Anderson Ph)'sical LaOOralUr) 609 S. Sixth St., Champaign. Ill. A:\DERSON, William B. (EI Titanium Pigment Corp.. III Broad,,,,y l'\ew York 6, :\. Y. A~DREASEN, A. H. M. (Honorary) Oster Voldgade 10 Copenhagen K., Denmark (Royal Danish Technical l'ni"crsity) ANDREWS, Andrew 1. (EFI) Ceramics Bldg., University of Illinoi, 1: rbana, 11l. ANDREWS, Ray (G) B. F. Drakenfeld & Co., Inc. Box 519, \\'ashington, Pa. A~:'IIS, Aldon P. (S) Texas Vitrified Pipe Co., Box III Mineral Wells, Texas ANTAKI, Emile Calle Espana 402/600, A\'Cllancda, Buenos Aires, Argentina (Ferrum S. A. De Ceramica & Metalurgia) ANTHONY, George H. (R) 41 Marion Dr., Poland, Ohio (Youngstown Sheet & Tool Co. I ANWYL, Robert H. (S) Box 597, Toronto, Ohio (Toronto Fire Brick Co.) AO, Takeo No. 11 I-chome Dairyo-Machi Sumiyoshi, Osaka. Japan (Osaka University) ARANGO, G. Botero Balboa 63-13, Medellin, Colombia (Cristaleria Peldar S. A.) ARCHBOLD, Walter H., Jr. (MIJ 125 Smallwood Dr., Snyder 21. ~. Y. (Electro Reiractories & Abrasives Corp.) ARCHIBALD, W. A. British Iron & Steel Research .-\5'n. 140 Battersea Park Rd. London, S. W. 11, England ARCHIE, Chad L. (S) Archie Structural Products Co. Box 312, Corinth, Miss. ARCHIE, Chad L., Jr. Archie Structural Products Co. Box 312, Corinth, Miss. ARENSBERG, Francis L. (G) Vesuvius Crucible Co., Box 8275 Swissvale, Pittsburgh 18. Pa. d'ARGENTEUIL, Comte L. de Meeus Societe CeramiQue Hoge Barakkenstraat 6 Maastricht, Netherlands ARKETEX CERAMIC CORP. (George W. Shoemaker) 6 N. Walnut St., Brazil, Ind. ARMCO STEEL CORP. (R. S. Burns) Research Library, Middletown, Ohio ARMISTEAD, W. H. (G) 65 E. First St., Corning, X. Y. (Cornin~ Glass Works) ARMSTRONG CORK CO. (E. C. Emanuel) Research & Development Center Lancaster. Pa. AR~fSTROXG. Leland R. (Rn 27 ~forgan ..he .. Washing-ton. Pa. (Findlay Clay Products Co.) ARXOLD, Howard C. (EFIJ 76 Standish Blvd.. Pittshurgh 2R, Pa. (Federal Enameling & Stamping Co. I ARXOLD. Robert ~r. (~I) Arnold Engineering Co .. ~breng-o, Ill. ARNOLD, Russell E. (SF) Box E, E. Akron Station ...\!.;ron 3. Ohio (Robinson Clay Product Co.) ARNOLD, Thomas M. (WlJ Red Wing Potteries, Inc. Red \vinl(, :'finn. ARRAKCE, Frank C. (\V1) Coors Porcelain Co., Golden, Colo. ARRAKDALE. Roy S. (G) Thatchcr Glass ~ffg. Co .. Inc. 1901 Grand Central Ave .. Elmira. N. Y. .\RRAS, George. lEI 32 S. Peoria St.. Chicago 7, III. (Quadrangle ~Ifg. Co.) .\RTHUR, Edwin 1'. lG) 3110 Las Faldas Dr., Fullerton, Calif (Beckman Instruments, Inc.) . .\RTIS, William E. (D) ~ ebraska State Teachers College Chadron, ~ebr. AR\\'IXE, A. S. (RI Refractory & Insulation Corp. Port Kennedy, Pa. ASDEL~ Bffna~ K. (\V) Edgar Division ~Iinerals & Chemicals Corp. of America ~lclntyre, Gcorg-ia ..\SIIER, Glen J. (Rl) 2568 Illinois, South Gate, Calif. (Pryor-Giggey Co.) .\SH~IORE, Russell c., Jr. 25 Kew Brick .-\pts., Clemson, N. C ASHWORTH, GEORGE L., & . BROTHERS, LTD. (William G. Eyans) Broad St. Works Hanley, Stoke-onTrent, England ASSOCIACAO BRASILEIRA DE CERAMICA I Francisco de Salles V. de Azevedo) Ceramica Sanitaria "Porcelite" S/A Sao Paulo, Brazil .\SQUlTH, Milton Redfearn Brothers, Ltd. Old Mill Glass Works Barnsley, England .-\TWELL, George D., Jr. (S) Shenandoah Brick & Tile Corp. Box 32. Winchester, Va. ACER, Konrad F. Xetstal, Kt. Glarus, Switzerland AeLT, };eil N. (BI) Norton Co., I Xew Bond St. Worcester 6, ~Iass. AeSKERN, Allan Dept. of Ceramics, M. I. Bldg. Penns)'lvania State University State College, Pa. AUSTENAL LABORATORIES, INC. (R. C. Feagin), 224 E. 39th St. Xew York, N. Y. .-\eSTIN, Arthur O. (W) Box 109, Barberton, Ohio (A. O. Austin Co.) Al.STIN, Charles E. (S) Consolidated Brick Co. Horseheads, N. Y. AeSTIN~hester R. (RFI) Koppers Co., Inc., Research Dept., Koppers Bldg., Pittsburgh 19, Pll;..'/;. AeSTIN. James Bliss (RF) ...... Research Laboratory, U. S. Steel Corp. Lincoln Highway, Kearny, N. J. Al'STIN', J. L. (WI) 2057 N. Glebe Rd., Apt. 105 Arlington, Va. AeSTIX, Lewis ~I. (G) 2234 ~fiddlesex Dr.. Toledo 6, Ohio (Owens-lIlinois Glass Co.) .-\YDELOTT, Elliott C. (E1) \\'a\'erly, Pa. Olurray Corp. of ..\meTica) ..\7.E\'EDO. Francisco de Salles V. de Associacao Brasileira de Ceramica Ceramica Sanitaria "Porcelite" S/A Sao Paulo, Brazil .-\7.\EDO, ~farcello R. V .. de (1) R. Peixoto Gomide 427 Bairro Bela Vista. Sao Paulo, Brazil ICeramica Sanitaria Porcelite) B B.-\AB. Kenneth A. (RlJ 628 Sixth Ave .. Bethlehem, Pa. (Bethlehem Steel Co.) B.-\B.-\. Paul D. 338 Pennington St.. Elizabeth 2, N. J. BABCOCK, Clarence L. IGF) Iil8 Potomac. Toledo 7. Ohio (Owens-lIlinois Glass Co.) CER.-\:\IIC BULLETIN IABCOCK, M. G. (G) 618 Kenilworth Dr., Pittsburgh 34, Pa. (Pittsburgh Plate Glass Co.) IABCOCK, Paul R. (WI) Frenchtown Porcelain Co. i lhtown, N. J. 3 K & WILCOX CO. . Kohler) E. 42nd St., Kew York 17, ~. Y. 3ACH, Carl H. (5) Tuthill Bldg. Material Co. 545 E. 103rd St., Chicago 28, Ill. 3ACH, William E .. Jr. (~rJ) K,,,,,,.7712 Fontana, Prairie Village 15, (Aluminum Co. of America) :lACHER, Holland R (D) . Rock Tavern, N. Y. (White Cloud Farms, Inc.) 'lACHMAN, Charles D. (G) Apt. 13-A, Arnold Dr., ~rillville, ~. J. (Armstrong Cork Co.) BACHMAN, George S. (G) 151 W. Washington St., Shelbyville. Incl. (Pittshurgh Plate 51ass Co.) BACHMAN, Wheeler Carr (W) RR. 5, Grafton, W. Va. (Carr China Co.) BACKUS, Mrs. Lulu S. (D) 451 S. Goodman St., Rochester 7, X. Y. BACON, Frank R. (G) ::,::'~,3153 Darlington Rd., Toledo 6, Ohio "-:; '(Owens-Illinois Glass Co.) BACON, James F. (G) :;~:'130 Pritchard Ave., Corning, N.-Yo i'~"(Coming Glass Works) . ~ACON, Leslie R (G) ::.'.!i?i,lteseaTclt"1lndDevelllpmeilt Division Wyandotte Chemicals Corp. '~,:".Wyandotte, Mich. <-:':BADGER. ,Alfred E. (GF) Lib~-Owens-Ford Glass Co. . ".'1701 E. Broadway, Toledo 5, Ohio BAER, G. M. (R) :i.::C:. Remmey Son Co. ".;. ey St. & Delaware River . . delphia 37, Pa. B~ , Richard A. (Bn . ;->15 Allerton Rd.. Shiloh. Davton, Ohio BAGLEY. Norman H. (W) . .:' '. 11 Hillcrest Rd.. Caldwell, N. J. . (Bell Telephone Laboratories, Inc.) ~ILEY. Floyd (El) .... 840 S. Sixth Ave .. Kankakee, III. ,".(A. O. Smith Corp.) BAILEY, James (GF) . <-'.95 Steele Rd., West Hartford 7. Conn. ',C, (Plax Corp.) ~LEY, Richard J. )-~""::'f.RDooyualltonD&ouCltoo; Ltd Poiteries ~j}~~urslem, Stoke-on-Trent, Eugland ...,.u..LAUD, Pierre ;~;: Etablissements Japy Freres :.:~ 6, Rue de Marignan ':;':,'.. Paris VIII, France lAIN, Andrew R .:./: The Whins, 26 Park Terrace. .' , Stirling, . Scotland 8;AIR, George J. (GFI) ";,' Technical Products Division ~~. Coming Glass Works, Corning, X. Y. --KER. Arvid H. (G) aJ.:>'..X-8(E9PRitC,tshBbuuurcrrghtohnSCt.Eo, .rnPi(onRrgt) Allegany, Corp.) Pa. .itA::'.::, 15 Gwynlake Dr., Baltimore 7, Md. (General Ref ractories Co.) a:., . ;ICER CO., INC. (H. Klausmann) '::~~'i'Ai.K1E1R3,ADs.torMSart.t,inK(eWwa)rk, N. ]. ,'1.'.;> 1025 Gardner Blvd., Barberton, Ohio .','. io Brass Co.) , ; , Dunbar J. (R) ~.:;,.. S. Jefferson St., Mt. Union, Pa. ~"(North American Refractories Co.) .~ .... lC.ER, Houston R. (G) . : 158 E. Third St., Corning, N. Y. ',:.' (Cornin!( Glass Works) ~Y9L. 33, No. 10 (1954) ~: ~; j .~ .' B:\KER, Theodore C. (G) RR. I, Wayne, Ohio tOwensl11inois Glass Co.) BALDAL'F, Earl E. (WI) Flamingo Tile Corp., Box 11~ Lake Wales, Fla. BALDRY, St?nley F. T. E. R. G. Industrial Corp., Ltd. Luton Rd., Dunstable, Beds London, England BALDWI:\', W. J. (W) Titanium Alloy Mfg. Di"., National Lead Co.', Box C Bridge Station, !'\iagara Falls, X. Y. BALIKA, Marcelo O. C.A.P.E.A., LanusKM 7 C. Gral., Belgrano Buenos Aires, Argentina BALINKIX, Isay (W) l,:niversity of Cincinnati Cincinnati 21, Ohio BALL, Albert L. (R) Bay State Abrasive Products Co. Westboro, Mass. BALL BROTHERS CO. (G. A. Gregory) Muncie, Ind. BANISTER, Monte W. YMCA, 117 W. Monument Ave. Dayton, Ohio BAQUE, Harold W. (G) 1511 Mohican Dr., Pittsburgh 28, Pa. (Corhart Refractories Co.) BARBA, C. E., Sr. (M) RR. 1, Doylestown, Pa. (Globar Div., Carborundum Co.) BARBA, C. E., Jr. (M) Creek Rd., R.R. 1,' Doylestown, Pa. (Globar Div., Carborundum Co.) BARBER, Stephen W. (G) Owens-Illinois Glass Co. 1700 N. Westwood Ave., Toledo I, Ohio BARBER, W. A., Jr. (S) Acme Brick Co., Box 425 Fort Worth, Texas BARBOUR, David J. (WF) 345 E. Highland Dr., Zanesville, Ohio BARBRE, Norris H. (5) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. BARIUM REDUCTION CORP. (K. O. Priddy) South Charleston 3, W. Va. BARKER, Harry L. (W) Salem China Co., Salem. Ohio BARKER, Rolland C. (G) Glass Mfg. Dept., Lamp Di,. General Electric Co., Kela Park Cleveland 12, Ohio BARLETT, Helen B. (BF) A C Spark Plug Div., General Motors Corp., Flint 2, Mich. BARNES, Harry H. (51) Wah Chang Smelting & Refining Co. of America, Inc., Glen Cove, N. Y. BARNES, Wilson R. (R) Corhart Refractories Co. 16th & Lee Sts., Louisville 10, Ky. BARNETT, Charles W. H. (R) 53A Midland St., Worcester, Mass. (Norton Co.) BARNEY, Ronald N. Box 1677, Georgia Tech., Atlanta. Ga. BARON, Jean 15, Place Ca rnot Nancy (Meurthe et Moselle) France (Institut de Recherches de la Siderurgie) BARR, Harold N. (B) Vitro Corp. of America 200 Pleasant Valley Way West Orange. N. J. BARR, Harry (M) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Box 1843, Trenton 7, N. J. BARR. Norman E. (Bl) Eagle Picher Co., Box 290 Research Dept., Joplin, Mo. BARR, l'.oo~rt A. (E) Ii;'? River Rd .. Fair Haven, N. 1. (Carborundum Co.) BARR, Seymour J. (5) Shenandoah Briek & Tile Corp. Box 32, \Vinchester, Va. BARRETT, Han'ey N., Jr. (R) 2233 St. James Parkway Cleveland Heights, Ohio (Basic Refractories, Inc.) B.\RRETT, ~[aurice (Life) 8 Oxcliffe Rd. Morecambe and Heysham, England BARRETT, \\'ayne E. (5) RR. 1, West De, ~roines, Ia. (Central Engineering & Investment Co.) BARRINGER, Lawrence E. (WFl) 23 Front St.. ~chenectady 5, N. Y. B.\RROX, Frank C. (w) R.R. I. Box 142X, Telegraph Hill Rd. Keyport. X. J. (Atlantic Tile ~[fg. Co.) BARROWS PORCELAIN ENAMEL CO. (Dee Charles Davis) Langdon Rd. & Penn R R. Cincinnati 13, Ohio BARTA, R Czechoslo"ak Ceramic and Glass Society Technicka ul.e.5. Praha XIX. Czechoslovakia BARTHOLOMEW, George A. (5) MeUon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. BARTLETT-COLLINS CO. (Harrison 1. Bartlett) Sapulpa, Okla. BARTLETT, E. E. (G) 4387 Boca Chica Blvd. Brownsville, Texas (Bartlett-Collins Co.) BARTLETT, Harrison 1. (G) Bartlett-Collins Co., Sapulpa, Okla. BARTON, G. E. (Life, GF) 227 Pine St., Millville, N. J. BARZAGHI, Luciano Ceramica Sao Caetano Rua Roa Vista. 84-6 andarCaixa Postal 278, Sao Paulo, Brazil BASLER, Wayne G. (GJ) 5735 Gross Dr., Dayton, Ohio BASS. N. W. (R) Brush Beryllium Co., 4301 Perkins Ave. Cle"eland 3, Ohio BASSETT. Leon B. (R) Box 28~, Alfred. N. Y. (New York State College of Ceramics) BASSETT. Ray E. (S) Acme Brick Co.. Box 425 Fort 'North I. Texas BASSETT. Robert (5) Staso Milling Div;sion Central Commercial Co. Darlington, Beaver County, Pa. BATEMAN, L. A. (E) Eljer Co., Enamel-Ware Div. Salem, Ohio BATES, Charles E. (S) Hanley Co.. Summerville, Pa. BATES, Edgar A. (B) 204 Florida Dr., New Kensington, Pa. (Pittsburl1h Plate Glass Co.) BATES, H. Clifford (G) Corning Glass Works of Canada, Ltd. Leaside, Ont.. Canada BATES. P. H. (Life, BF) 1620 Seventh St., N, St. Petersbur!(. Fla. BATESON, H. Marshall 68 Spring Grove Lou!(hton. Essex. England (Thermos, Ltd.) BAUER, Richard M. (M) 728 St. Louis Ave .. Zanes"ille, Ohio (Mosaic Tile Co.) BAUER, Wolf G. (5) 5213 11th Ave .. N. E .. Seattle 5, Wa,h. (Pyro Mineral Enl1ineering) BAULEKE, Mamarn P. Ceramic En~ineerin!( Dept. Iowa State College. :\mes, lao ROSTER 3 ---------------.--a tfllllllll  ll.\l~[. Frederick] . ]r. {B) E. 1. <iu POllt de :\etnours & Co .. Inc. Experimental Station, Chemical Dept. Wilmington, Del. BAL'MA:\:\, Henry :\., ]r. (BF!) 1275 Wyoming Aye. Xiagara Falls. :\. Y. (Carborundum Co. I BAL':\IER. Leon :\. <RJ 240 Rockingham Rd., Pittsburgh 38. Pa. (Mellon Institute) BAUMLER, Karl (G) Pittsburgh Corning Corp., Sedalia, :\10. BAUSCH & LOMB OPTICAL CO. (M urray Scott I Rochester 2, :\. Y. BAYLISS, John ~f. fR) 629 Frederick St., Lancaster, Ohio (Mullite Refractories Co.) BAY~H:UI, Ronald O. Box 1046. Georgia Institute of Tech. Atlanta. Ga. BAY STATE' ABRASIVE PRODUCTS CO. 10. S. Buckner) \Yestboro, Mass. BEAL, D. S. I E) IS Oak Dr.. Poland. Ohio (Youngstown Sheet & Tube Co.) BEALS. ~f. Dougla~ (Gl) Research Lab., Titanium Division Xational Lead Co.. South Amboy, X. J. BEALS, Roben J. (\\"1) 109 Ceramics Bldg. University of Illinois, Urbana, 111. BEAM, James R. (WFI) Ludwig Rd., Xew Castle, Pa. (Ceramic Engineering Service) BEARD, Clinton L. (WI) Globe-L'nion. Inc., 900 E. Keefe AYe. Milwaukee. Wisc. BEASLEY, Dennis R. (G) 3654 Piedmont Rd .. Huntington, W. Va. (Sinclair Glass Co.) BEATHARD. Robert K. (W) General Tile Corp., Box 38 EI Segundo. Calif. BEATOX, Orville (W) Gem Clay Forming Co., Sebring, Ohio BEAUDOIX, Armand J. (E]) 3410 Archwood A\'C., Cleveland 9, Ohio (Ferro Corp.) BEAVER, Wallace W. (M) Brush Ber~'llium Co. 4301 Perkins An. Cleveland 3. Ohio BEAZELL. William H. (G) American \"indow Glass Co. 9 W. Park Wa~', Pittsburgh 12, Pa. BEBBI!':GTOX. Philip J. (R) 2 Barker Lane, Saxonville, Mass. (Arthur D. Little. Inc.) BECHTXER, Paul (~I) American Colloid Co. Merchandise Mart Plaza, Room 813 Chicago 54. 111. BECK. Elmer W. (~I) Ceramic Supply Co., Crooks\ille. Ohio BECK. Homer (S) Richland Shale Brick Co. :\Ian~field. Ohio BECK. :\orman R. IG) Carr-Lowrey Glass Co. Baltimore 3, "'Id. BECK. Roy D. (~t1) 6330 ~Ioraine :he.. Hammond. Ind. (Binks ~lfg. Co.) BECK. Warren R. (B) "'Iinnesota :\fining & :'.lfg. Co. Central Research Bldg. St. Paul 6. "'linn. BECKDIEYER. Harry J. (\\') Re~earch Laboratory Uniyersal-Rundle Corp. New Ca~tle. Pa. BECKER. Bruce X. 1\\'J) 602 :\. ~Iarshall St.. Lancaster. Pa. (Radio Corp. of America) BECKER. :'.Iartin G. (5) Brookhaven Pressed Brick & Mfg. Co. Box 542. Brookha"en, Miss. 4 ROSTER BECKER. \\'alter D. (S) Brookha"en Pre~sed Brick & :\1fg. Co. Box 542. Brookhaven, Miss. BEECHER, :\filton F. (RFI) 50 Woodland Rd., Holden, Mass. BEELER, L. S. (R) Reynolds Metals Co., 2500 S. Third St. Louisville I, Ky. BEERMAX, Henry P. (B) I.T.E. Circuit Breaker Co. Special Products Di"., 601 E. Erie A'e. Philadelphia 34, Pa. BEERS, Roland F. (D) Box 1015. Troy. X. Y. (Beers & Heroy) BEETOX. Earl E. (GI) 1604 Lincoln St., Bethlehem, Pa. (Western Electric Co.) BEGIEN, Virginia American Ceramic Society 4055 X. High St. Columbus 14, Ohio BEHNKE, Fred (RJ) Sprague Electric Co. North Adams, Mass. BEHREND, Oswald (R) 2557 Robinwood, Toledo. Ohio (Owens-lIIinois Glass Co.) BEHRINGER, H. L. (G) Tygart ValIe)' Glass Co. Washington, Pa. BEINLlCH, Alfred W. (R) 3404 19th Ave., Sheffield, Ala. (Tennessee Valley Authority) BEI~LICH, Justus J. (R) United States Steel Corp., Room 2421 525 William Penn Place Bldg. Pittsburgh 30, Pa. BELL, Kenneth E. (S) Saskatchewan Clay Products Estevan, Sask., Canada BELL, Richard (M) Bell Clay Co., Gleason, Tenn. BELL. W. C. (R) Dept. of Engineering Research North Carolina State College Raleigh, N. C. BELLAMY. Harry T. (R) 2514 Pioneer Rd., Evanston, 111. (Armour Research Foundation) BELLAMY, L. B. (R) Sterling Abrasives Division Cleveland Quarries Co., Box 801 Tiffin, Ohio BELLIDO, Bartolome Darnis Director Gerente de ME.R.S.A. Lugones (Oviedo), Spain BELOW, Henry (W) Pennsbury Pottery, Morrisville, Pa. BENBENEK, Raymond (SI) 2302 Albright Dr., Greensboro, N. C. BENDER, Bob G. (G)) . Rauland Corp., 4245 ~. Knox Ave. Chicago 41, 111. BENDHEIM, R. W. (~l) L. H. Butcher Co. 3628 E. Olympic Blvd. Los Angeles 23. Calif. BE:-:EDICT. Virginia American Ceramic Society 4055 :-:. Hill'h St .. Columbus H. Ohio BENJAMIN ELECTRIC MFG. CO. (Hort P. Steele) Des Plaines, III. BE:-:NER. Stanley G. (E) General Ceramics Corp. Crow's :\Iill Rd.. Keasbey. :-:. J. BE:-:XER, W. ]. (R) 730 Romona Rd .. Wilmette, 111. (PHO Refractories Co.) BE~:-:ETT. A. H. (G) American Optical Co.. Research Center Southbridge. :\Iass. BENNETT, A. Lee (RFI) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39. Calif. BEN);ETT, Dwight G. (EF!) 204 Ceramics Bldg. tni"ersity of Illinois, Urbana, Ill. BE:-:XETT. FrancIS H. (R) Pratt & Whitney :\ircraft, MDL D.958 East Hartford 8, Conn. BENNETT, Frederick R. (R) Box 325, Hartsville, S. C. (Carolina Refractories Co.) BD/NETT, Harr)' J. (W) CrooksYile China Co. CrooksdlIe. Ohio BENNETT, Mrles P. (RO 6552 !':. Oldham Lane San Gabriel, Calif. (Gladding, McBean & Co.) BENNETT, Walter R. (S) Acme Brick Co.. Denton, Texas BENTON, Marion L., Jr. 720 N. Washington St., Owosso, Mich. BENTZ, Frank J. (R) National Plumbing Pottery, Inc. Dearborn St., Zanesville, Ohio BERG, Morris (B) 3407 Tulane Dr., Apt. 33 West Hyatts\'ille, Md. (Bureau of Mines) BERGAMASCHI, Henry Trent 518 29th St., Union City, N. J. BERGER, Bernard M. (E) Dept. 817, Sears, Roebuck & Co. 925 S. Homan Ave., Chicago 7, Ill. BERGER, Donald Francis (G) ,c" 41 W. SOllth St., Painesville, Ohio (Diamond Alkali Co.) BERGERON, Clifton G. (EI) 12027 W. Potter Rd. Milwaukee 13, Wisc. (A. O. Smith Corp.) BERG-IVERSEN, Wiggo A/S Egersunds Fayancefabriks Co. Egersund, Norway BERKELHAMER, Louis H. (EI) 3621 W. Howard St., Skokie, 111. (Ohmite Mfg. Co.) BER!':ARDINI. Guy F. (W) Box 70-A. R.R. \, Latrobe, Pa. (Stupakoff Ceramic & Mfg. Co.) . BERNS, Milton H. (M) 42 Dudley A,e., Hamburg, N. Y:';'~ (Electro Refractories & >~ Abrasives Corp.) ....;:;:. BERNSTORF. Robert B. (W)'~; ~~~;~~~c~:tD~~~r~~:)OhiO':~W:~ft BESSE, Richard W. (W) .. '. 481 Brattle Rd .. Syracuse, N. Y.. "'j. (Onondaga Pottery Co.) .. ' ~i. BEST...Edison F. (G) ."'3: 'libbey-Owens-Ford Glass Co. '. :..: .,:-. 1701 E. Broadway, Toledo 5, 0hi0~~ BETHLEHEM STEEL CO. . .".,'. (Hobart M. Kraner) Bethlehem, Pa.. BETTISON, L. S. (S) Chambers Brothers Co. 52nd & Media St., Philadelphia 31, Pa. BETZ. George C. (WFI) Metal & Thermit Corp., 100 E. 42nd St. !':ew York 17. X. Y. BETZ, Wilbert A. (W) D. S. Potters Assn. 104 E. Fourth St.. East Li"erpool, Ohio BEVIS, Ralph E. (EI) International Division. Ferro Corp. 4150 E. 56th St.. Cleveland 5. Ohio BEZBORODKO, David (G, Mechanical Mirror Works, Inc. 661-663 Edgecombe Ave. :-:ew York 32. :-:. Y. B. G. CORP (Frank J. Fallon) Ridgefield. :-:. J. BICKFORD. Fred :\. (G) Box 29. R.R. 2. Camphell. N. Y. (Corning Glass \Vorks) BIDDLE, George J. (R) 208 S. LaSalle St .. Chicago 4, m. (Illinois Clay Products Co.) BIDDL'LPH, Albert II Holden Rd. Wolverhampton, England (Ferro Enamels. Ltd.) CERAMIC BULLBTIN IELSTEIS, Han, O. I R) 267 Wilmington :he .. Dayton 10, Ohio (Wright-Patterson A.F.B.) [LLIA1\, Carroll J. I G I Owens-Il1inois Glass Co. General Research Di\'. ~. West\\ood .\,e .. Toledo I, Ohio I S, David D. (G) Containers. Inc. 3 I Santa Fe :\\ e. Los Angeles II, Calif. IRCH, Ra)'mond E. (RFI) 1800 Farmers Bank Bldg. Pittsburgh 22. Pa. (Harhison- \\'alker Rdractories Co.) ISHOP, Frederic L. (GFI Kimble Glass Co., Box 1035 Toledo I, Ohio ISHOP, George J .. [II (5) Guignard Brick Works. Box ~80 Columbia, S. C. ISHOP, Harold E. (Gl Owens-Corning Fibeq{las Corp. Anderson, S. C. ISHOP, Laverne R. (R) Aluminum Co. of America 3300 Missouri :\Ye., East SI. Louis, Ill. ISSELL, Don W., Jr. (RI) 850 Sherwood Dr., S. W., Beloit, Wisc. (lpsenlab of Rockford, Inc.) LACK, H. R. (G) "'Kimble Glass Co., 2626 Dorr St. :-:':Toledo I, Ohio .LACK, James A. (0) "c 13700 Sparta Ave. S. W. ',"Kent City, Mich. , .' (Continental Decalromania Co.) ;LACK, Lloyd V. (G) ,:.,,ll.R. 3, Murphy, N. C. , '::'204'LACKBURN, A. Reif (MI) N. State St., Westerville, Ohio (Ram, Inc.) :1.J\CKWOOD, James M. (RI) /,:.59 W. RO}'al Forest Blvd. ..' . . . .m.bus, Ohio rundum Co.) :1; enry M., II (Rn _,....: 9 N. Hoover Ave., \Vhittier, Calif. .(North American Aviation) :LAHA, Emil (R) . 415 Ashmead Rd .. Cheltenham, Pa. ". (Seias Corp. of America) :LAIR, Gerald E. (G) "'3791 Monroe Ave.. Pittsford, l'\. Y. (Bausch & Lomb Optical Co.) :LAIR, Marion W. (SF) 2131 S. Center St.. Terre Haute, Ind. ,:.~(Manufacturers Equipment Co.) LAISON, Pierre ; Societe Des Electrodes Et Refractaires : "Savoie," 43, Rue de l'Industrie _ ,Venissieux (Rhone), France LAKE, A. E. (R) 78 Park Ave .. West Caldwell, N. J. '. (International Engineering, Inc.) :LAKE, Edwin M. (D) ;.... Box 210, Mount Kisco, N. Y. :LAKE, William V. (RJ) Macklin Abrasi\'e Co., Jackson, ~{ich. :tANCHARD, M. Kenneth (E) . A. O. Smith Corp., 3533 N. 27th 51. . Milwaukee 1, Wise. :tAU, Henry H. (GFJ) Federal Glass Co., 515 E. Innis A\e. Columbus 7, Ohio :tENKO, William Henry, Jr. (G) '1412 Main St., Milton, W. Va. ;. (BIenko Glass Co., Inc.) ILESSING, Robert Lee (RI) '',1720 Boneta Ave. . Richmond Heights 17, :'>10. ~.. _ c'lede-Christy . G. (G) Co.) <:, e Mineral Co., 18 W. Chelten ..\Ye. :-.: iladelphia 44, Pa. ILISS, Roderick T. (5) :" Deister Concentrator Co. 35 E. Center SI.. S esquehoning, Pa. rOL. 33, No. 10 (HI,)-!) BLOCKSI DGE. Arthur B., Jr. I R) Jones & Laughlin Steel Corp. -1.0 Longworth St .. Pittsburgh 7, l'a. BLODGETT. ~lalcoltl1 (5) 660 ~lail1 St.. \\'oburn, ~Ia". (R. Guasta\'il1o Co.) - BLODGETT. \\'illiam E. 1\\') 18 ~Iishawutn Rd .. Woburn, ~[ass. (R. Guasta\ino Co.) BLOIDI. Richard E. (XJ) 1625 :\orthern Park\\a\'. Baltimore 12. ~Id. . (Rheem ~Ianufacturihg Co.) BLOO~I. Ray A. (R) Technical Librar\' Timken Roller Bearing Co. Canton 6. Ohio BLOOR, C. .-\. 1\\') l'ni"ersal CIa\' I'roducb Co. Sandusky, Ohio BLOORE, Roben Boulton Swinnertons, Ltd. Hanley, Stoke-onTrent. England BLUE RIDGE GLASS CORP, U. H. Lewis) Kingsport, Tenn. BLl'M. Seymour (!) 97 Pierce Rd .. Watertown, :'>1 ass. BLl'ME. Arthur J. (51) Murray Tile Co.. Cloverport. Ky. BLt'ME~THAL, George (WI) GoldingKeene Co., Keene, X. H. BLVXT, Royden A. (GF) Buck Glass Co. Fort Ave. & Lawrence St. Baltimore 30, Md. BLYTHE COLOUR WORKS, LTD. Cresswell, Stoke-on-Trent, England BOARDMA1'\, Charlotte K. (R) Thomas A. Edison, Inc. 51 Lakeside Ave., West Orange, X. J. BOBROWSKY, A. R. (R) 2012 Pontiac Road, R.R. 5 Ann Arbor, Mich. (Ford Motor Co.) BOEKER, V. W. (G1) Owens-Corning Fiberglas Corp. 16 E. 56th St., New York, X. Y. BOGATAY, Paul (0) 45 W. Weisheimer Rd. Columbus 14, Ohio (Ohio State Uni\'ersity) BOGNAR, Edwin J. (RI) Bognar & Co., Inc., 1803 Oliver Bldg. Pittsburgh 22, Pa. BOHl'\, Edward L. (R) Mullite Refractories Co.. Shelton. Conn. BOLA!'<OVICH, Mel\'in (S) 3118 Palmer Sq., Chicago 47, IlL (Illinois Brick Co.) BOLE, George A. (XF) Engineering Experiment Station Ohio State University Columbus 10, Ohio BOLLlNGER, Robert H. (Mn Georgia Kaolin Co., 433 X. Broad 51. Elizabeth 3, l'\. J .. BOLON', Da\'id G. (Rn 1220 Russel Rd., Ann Arbor, :llich. ( Xorton Co.) BOLTOX, Harry L. (R) Philadelphia Quartz Co. Public Ledger Bldg. Independence Square Philadelphia 6, Pa. BOLZ, Leonard H. (B) National Bureau of Standards, Di\'. 9: 7 Conn. Ave. & Van Xess Washington 25, D. C. BONEBRAKE, H. P. (W) Aluminum Co. of America, Alcoa Bldg. Pittsburgh 19, Pa. BONK, John A. (G) Corning Glass Works, Fallbrook Plant Corning, N. Y. BONl'\ER, Don B. (W) 2149 E. 37th St., Los Angeles II, Calif. (Bonner EngineerinR' Co.) BONNOT CO. (B. T. Bonnot) Canton, Ohio BOS.\OT. B T. (~IFJ 80nl1ot Co., Camon, Ohio 800:\E, John \\'. I G) ';1\ Rugby Rd .. Binghamton, S. Y. I International Business ~fachines Corp.) BOOTH, John F. Hazlehead Hall. Penistone, ~ r. Sheffield Sheffiel(l, York. England I Hepworth Iron Co., Ltd.) BOOZE. ~!. C. I RFII Charles Taylor Suns Co. Box 58, .-\nne~ Sta .. Cincinnati H, Ohio BOPP, Harold F. IC;F) 67 Gorton St .. Corning. :\. Y. ..Corning Gla-. \\'orks) BORD_-\I<A~(PE. P. J. .\. P. Green .\rgentina, Piedras 383 Buenos Aires .-\rgentina BORO~I, :llarcus P. Box 2933. Georgia 1,,,tiIL't,, of Tech. .\tlama, Ga. BOROS. John I \\' I 1140 E. Jac~_on St. Long Beach 5. Ca Ii f. I Pacific Tile and Porcelain Co.) BOSCH. F. ~!. Lab. Anorganisch. Tech. & Electro chemie 22 Plateaustraat, Ghent, Belgium BOSLER, Krell IE) Florence Sto\'e Co .. Gardner, :'>lass. BOTFIELD REFRACTORIES CO. I George B. Botfield I Swanson & Clymer Sts. Philadelphia ~7, Pa. BOTHE. James V. (GJ) 60 E. Fourth St., Corning, S. Y. (Corning Glass Works) BOTFIELD, George B. (R) Botfield Refractories Co. Swanson & Clymer Sts. Philadelphia ~7, Pa. BOrDER, Norman M., Jr. (G) ~820 Roland Ave., Baltimore 10, Md. (Pemco Corp.) BOt'LTBEE, Donald (En 5508 Waveland Ave., Chicago, IlL BOt'RDILLlAT, Felix 3 F Rue du Docteur Roux Paris XV, France BOl'RGERIE, R. D. (B) Radio Materials Corp. 3325 K. California A'e .. Chicago 18, III. BOVEE, Benedict A. (M) 1837 Winter Rd. Grand Island. R.R., 1'\. Y. (Globar DiY .. Carborundum Co.) BOWER, David S. (G) 3932 Rohr Dr., Toledo 13, Ohio (Owens-Illinois GlllsS Co.) BOWER, James A. (W) 107 First St.. Chester, W. Va. (Taylor, Smith & Taylor Co.) BOWERS, Donald J. (M) 950 Highland Dr.. Columbus 14, Ohio (Battelle Memorial Institute) BOWES. Urban E. (GF) Owens-Illinois Glass Co., Box 1035-1036 Toledo I. Ohio BOWMAX, D. Scott (:10 818 E. Side Dr.. Gene\'a, 111. (Carborundum Co.) BO\nfAN, Donald C. (E) 170 N. Du Bois Ave .. Elgin, Ill. (Chicago Vitreous Corp.) BOWMAN, Eugene D. (G) 824 Oakwood :\\'e .. Columbus 6, Ohio (Kimble Glass Co.) BOWMAN, John G. (W) 341 S. Juliana St., Bedford, Pa. BOWKE, Martin S. (51) Lee Clay Products Co., Inc. Clearfield, Ky. BOYCE, Joseph (Gl Vitro Mfg. Co., 60 Greenway Dr. Pi Itsbu r!(h 4, Pa. BOYCE, Robert E. (W) Harker Pottery Co. East Li"erpool, Ohio ROSTER ;) J 1 t l I r t i .i ~ . . _--======--=. . . . . . .- -1...  BOYD, Frank H. (10 S. G. Frantz Co., Inc, Box 1138, Trenton, ~. J. BOYD, John E. (MI) Box 2414, Greensboro, X. C. (Carolina Pyrophyllite Co.) BOYD, Robert C. (EFI) American Radiator & Standard Sanitary Corp., 1541 S. Seventh St. Louisville 8, Ky. BOYLES, John P. (W) Scammel China Co., 300 Third St. Trenton, X. J. BOYNTON, Claudia G. (D) 7040 Yale Ave., Chicago 21, Ill. (Industrial Publications, Inc.) BOYNTON, Robert S. (X) l\ational Lime Assn. '925 15th St. N. W. \Vashington 5, D. C. BOZZO, J. G. (G) Pierce Glass Co .. Port Allegan>', Pa. BRACKBILL, Charles E. (5) 1415 County Line Rd., Fostoria, Ohio (Electric Auto-Lite Co.) BRADFORD, Virgil E. 59 Reeb Ave., Columbus 7, Ohio BRADLEY, Alan L. Consolidated Rand Brick Pottery & Lime Co. P. O. Olifantsfontein Transvaal, South Africa BRADLEY, Charles A., Jr. (G) 21 E. Fourth St., Corning, N. Y. (Corning Glass ',,"orks) BRADLEY, Fennimore 1\. (WI) 906 E. Deleware. Urbana, Ill. (University of lIIinois) BRADLEY, R. S. (RFI) A. P. Green Fire Brick Co. Research Dept., Mexico, Mo. BRADSTREET, Samuel W. (R) Armour Research Foundation 10 W. 35th St., Chicago, Ill. BRADWELL, Cyril (RI) Parkhurst Apts. 2B Barbara & Marion Sts., Bethlehem, Pa. (Bethlehem Steel Co.) BRADY, Charles P. (W) 3609 N. Gondar Ave. Long Beach 8, Calif. (Re-Ward Ceramic Color Mfg. Co.) BRADY, John G. (B) Dept. of Mines & Technical Surveys Ceramic Section, 40 Lydia St. Ottawa, Ont., Canada BRADY, Justin M. (M) 1716 N. Meridian St., Indianapolis, Ind. (American Art Clay Co.) BRADY, T. E. (R) Surface Combustion Corp. 2375 Dorr St., Toledo I, Ohio BRAIN, Douglas G. (W) 1960 Jane St., Toronto 15, Ont., Canada (Standard Sanitary & Dominion Radiator, Ltd.) BRAMLETT. William P., Jr. (GI) Cumberland Rd .. R.R. 2, )'fillville, N. J. (Armstrong Cork Co.) BRA1\DT. Kristian H. (B) 1308 1\. \\'ilson A,e .. Pasadena. Calif. (Solar Mfg. Co.) BRANDT. Martha W. (G) National Glass Budget 800 Grogan Blrlg.. Pittsburgh 22. Pa. BRANDT. Xeill M. (GF) ),f ellon Institute. 4400 Fifth Ave. Pittshurgh 13, Pa. BRAXDT. William O. rRFI) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. BRANT. David G. (WI) Universal-Rundle Corp., Box 300 Redlands, Calif. BRASHARES, C. A. (R) HarbisonWalker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. 6 ROS1ER BRASSFIELD, Henry C. (B) R.R. 1, Stevens Rd., Foster, Ohio (General Electric Co.) BRAl'CKMA1\, Alvin J. 3 Kern Ramble, Austin, Texas BRAY, A. C. (5)) Western Clay Mfg. Co., Box 176 Helena, Mont. BRAY, Kenneth J. (W) Wenczel Tile Co., Trenton, 1\. J. BRAZEE, Erland Elektriska Svetsnings AlB Gothenburg, Sweden Bra:;ilia1l Ceramic Society-see Associacao Brasileira de Ceramica BREEDLOVE, James G. (WI) American La"a Corp. Chattanooga, Tenn. BREEXE, George A. (G) Industrial Colloids Co. Emlenton, Pa. BREEZE, Lewis K. (E) 1244 Eastwood Ave., Mayfield Heights Cle"eland 24, Ohio (Glascote Products, Inc.) BREITWIESER, Robert H. (R) 5070 Vallejo St., Denver, Colo. (Denver Fire Clay Co.) BREKKE, Trygve Box 266, Stavanger, Norway ( Stavangerflint) BRENNAND, Ricardo Ceramica Sao Joao, Caixa Postal 231 Recife. Pernambuco, Brazil BRENNER, Harold M. (E) B. F. Drakenfeld & Co., Inc. Washington, Pa. BRENNER, R. F. (GF) Anchor Hocking Glass Corp. Lancaster, Ohio BRETTELL, 1. P. (5) Cooksville Co., Ltd . 1055 Yonge St. Toronto 5, Ont., Canada BRETZ, Lewis A. (5) 1718 Theodan Dr., Pittsburgh 16, Pa. (NATCO Corp.) BREWER, Bob (S) Mineral Wells Clay Products Co. Mineral Wells, Texas BREWSTER, Gordon F. (G) 807 Ridge Road E., Williamson, N. Y. (Bausch & Lomb Optical Co.) BRIAN, Charles (W) Paper Makers Importing Co., Inc. 44 S. Second St., Easton, Pa. BRIAN, Dick (M) 422 Florida Ave., Chester, W. Va. (Harshaw Chemical Co.) BRIAN, S. Douglas (W) Paper Makers Importing Co., Inc. 44 S. Second St., Easton, Pa. BRIXKMAX, Robert J. (X)) 3405 W. 90th St., Cleveland 2, Ohio (Carborundum Co.) BRISTOW, J. S. William Jessop & Sons, Ltd. Brightside Works, Sheffield, England BRISTOW, Robert H. (WI) 13-t8 Evergreen A'e. Schenectady 6, ~. Y. (General Electric Co.) BRITCHER, Gordon (5) 306 Berkeley Dr., Syracuse 10, X. Y. (Syracuse Pottery Co.) BRITISH CERAMIC SOCIETY Xorth Staffordshire Technical College Stoke-on-Trent, England BRITTAIX. Clifford G. Box 1307, Clemson, S. C. BRITTOX. )'farvin G. (B) 139 Steuben St., Painted Post, N. Y. (Corning Glass Works) BROCKWAY GLASS CO., INC. (F. B. Hess) Brockway, Pa. BROOKE, Stanley Oughtibridge Silica Firebrick Co., Ltd. Oughtibridge, Sheffield, England BROOKS, Robert H. (W) 4380 Harmon Rd., El Sobrante, Calif (American Radiator & . Standard Sanitary Corp.) BROSIUS, John P. (G) 403 Emerson Ave., Aspinwall Pittsburgh 15, Pa. (Krieg Piston Ring Co.) BROSKE, William F. (R) Aircraft-Marine Products, Inc. 2100 Paxton St., Harrisburg, Pa. BROWN, Clarence B., Jr. (R) Hardinge Co., Inc., 205 W. Wacker Dr Chicago, Ill. . BROWN, Colin C. (R) 21 Medbury Ave., Cuba, N. Y. BROWN, Donald Xicol (G) 4 E. Third St., Corning, ~. Y. (Corning Glass Works) BROWN, Donovan P. (RI) 420 Curtis Bldg., 28-t2 W. Grand Blvd Detroit 2, Mich. . (North American Refractories Co.) BROWN, Frank H., Jr. (B) 1090 Hastings Ranch Dr. Pasadena 8, Calif. (Jet Propulsion Laboratory) BROWN, George Reuben (M) North American Mfg. Co. 4455 E. 71st St., Cleveland 5, Ohio BROWN, John J., Jr. (SI) Moland-Drysdale Corp. Hendersonville, N. C. BROWN, Joseph ,A. (5) Baltimore Brick Co. 3200 E. Madison St., Baltimore 5, Md. BROWN, Lawrence H. (WFI) Box 632, East Liverpool, Ohio (Hall China Co.) BROWN, Leslie (W) Lenox, Inc., Trenton 5, N. J. BROWN, Meredith C. (5) 9500 S. Norwalk Blvd. Los Nietos, Calif. (Pacific Clay Products) BROWN, Raymond G. (R) Niagara Falls, N. Y. BROWN, Raymond J. 1930 S. Scoville Ave., Berwyn, II\. BROWN, Roy W. (G) 3842 Grennoch St., Houston 25, Texas (Carborundum Co.) BROWN, Wilbur F. (GF) Libbey-Owens-Ford Glass Co. RossfQrd, Ohio Gonlstock & Westcott, Inc., Box 835 BROWN, William E. (R) Box 217, R.R. I, Norristown, Pa. (E. ]. Lavino & Co.) BROWNE, Thomas C. (RI) 2115 Orchard Dr. South Plainfield, N. J. (Titanium Div., National Lead Co.) BROWNELL, Wayne E. (BI) 126 Hornell St., Hornell, N. Y. (New York State College of Ceramics) BRUEGGERHOFF. Charles (R) Mexican Zinc Co., !\. Rosita Coahuila, Mexico BRUMMER, George ~f. 965 Sweet Home Rd. Williamsville 21, N. Y. BRUNNER, Cedric D. (W) 2223 Table Dr.. Golden, Colo. (Coors Porcelain Co.) BRUNO, Lucien V. (5\ Federal Seaboard Terra Cotta Corp. Perth Amboy. X. J. BRUSH, George D. (51) Harrop Ceramic Sen'ice Co. 35 E. Gay St., Room 413 Columbus IS, Ohio BRUSSE, William, Jr. (E) Temco, Inc .. Xashville 9, Tenn. BRYANT, Albert D. (M) Standard Silica Corp. Box 407, Ottawa, Ill. CERA~IIC BULLETIN YANT, Eugene E. lEFI) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio YCE, Homer L. (X) Henderson Clay Products, Box 870 Henderson, Texas C . 1 . A. (RI) th St., Benton, Ark. ( . Green Fire Brick Co.) CK GLASS CO. (Royden A. Blunt) Fort Ave. & Lawrence St. Baltimore 30, Md. CK, Ivan E., Jr. (E) 300 Greenwood A,e., R.R Cape May, X. J. CKLES, Paul E. (RI) 810 W. Sixth St.. Tyler, Texas (American Clay Forming Co.) CKNER, O. S. (GI) Bay State Abrasive Products Co. Westboro, Mass. -EGE, Robert H. (W) Globe-Union, Inc., 900 E. Keefe ..\Ye. Milwaukee I, Wise. 'EHLER, Bert P. (R) 2439 Torrington Ave., Parma 29, Ohio (Cleveland Builders Supply Co.) TESSEM, W. R. (B) Pennsylvania State University College of Mineral Industries State College, Pa. JFP'ALO POTTERY, INC. GR. E. Gould) 25 Hayes PI. Buffalo 10. N. Y. JU..DERS BRICK CO. 'R. C. Houlahan) 3800 Ninth Ave., S., Seattle, Wash. JK.,'rAS, Bulent $umerbank, Ankara, Turkey JLlARD, Edward R. (E) i. F. Drakenfeld & Co., Inc. Washington, Pa. JNGE, Fred H. (M) M. A. Hanna Co., Research Lab. ,Minn. J scar G. (GF) s-Illinois Glass Co. Box 1035-1036, Toledo I. Ohio JRCHENAL, Charles H. (W) Cambridge Tile Mfg. Co., Box 71 Cincinnati 15, Ohio URCHFIEL, B. M. (RFI) 4458 Rosewood PI., Riverside, Calif. (Hancock Brick Co.) :JRCHFIELD, Paul E. (M) Wyandotte Chemicals Corp. 1609 Biddle Ave., \\iY'andotte, Mich. URDlCK, Milton D. (WFl) POl'Celain & Pottery Section National Bureau of Standards Washington 25, D. C. URDICK. Robert (R) Alfred University, Alfred, K. Y. URGESS, Blandford C. (MF) MSA-STEM, APO 928 % Postmaster, San Francisco, Calif. URGNER, Arthur J. (W) Canadian Potteries, Ltd. St. Johns, Que., Canada URKE, J. E. (B) General Electric Co., Research Lah. Schenectady, N. Y. URKE, L. Roger (R) 1203 Peoples Bank Bldg. Pittsburgh 22, Pa. (Chas. Taylor Sons Co.) ;URKE, O. W., Jr. (R) 11281 E. Nine Mile Rd. Van Dyke, Mich. (Burke Research Co.) IURKERT, John G. - Box 214, Alfred, N. Y. IU.LTER, Edward (SI) Interlaaken Dr. rna 99, Wash. (Builders Brick Co.) ~URKS, Cecil M .. Jr. (Rn 209 Hammes. Joliet. III. (General Refractories Co.) YOLo 33, No. 10 (1954) BL"RLEY, Frank N. (W) 520 W. Ricketts St., Kokomo, Ind. (}(gkomo Sanitary Pottery Corp.) BL"RLEY, Xewton Ray (W) 1864 Dresden Rd., Zanesville, Ohio (Burley Clay Products 'Co.) BL"RLI:t\GAME, Howard G. (E) California Metal Enameling Co. 6904 E. Slauson Ave. Los Angeles 22, Calif. Bl.'RXAXD, Guy M. (Life) ~lessrs. Johnson, :-latthey & Co., Ltd. 78, Hatton Garden . London. E. C. I. England BL"RXS, Frederick L. (W) 177; Xorwood Bhd., Zanesville, Ohio (W. I. Tycer Pottery Co.) BL"RXS, Henry K., Jr. (5) 1620 \\'a"erland Dr., :-lacoll. Ga. (Burns Brick Co.) BL'RXS, R 5. (E) Armco Steel Corp., Research Library :-1 iddletown, Ohio BCRRISS, William K. (G) Rm. 713, Caxton Bldg., 812 Huron Rd. Cleveland IS, Ohio (Industrial Publications, Inc.) BURROUGHS, F. H. (W) Box 1329. Trenton 7, N. J. (Star Porcelain Co.) BURROWS, Fremont O. 1428 Washington Ave., Chehalis, Wash. BURTON, Howard B. (G) 1618 Arlington Ave., St. Paul 6, Minn. (Minnesota Mining & Mfg. Co.) BURTOK, W. A. (W) 803 E. Fourth St., Mt. Pleasant, Texas (Paris & Mt. Pleasant R R) BURWINKEL, Lawrence G., Jr. (W) Pennsylvania Glass Sand Corp. Two Gateway Center, Pittsburgh 22, Pa. BUSH, Edward Allen 241 Sherman Ave., Vandergrift, Pa. BUSH, James W. (Gl) 2531 Blownsville Rd., Pittsburgh 10, Pa. (NatcoCorp.) BUSH, Ralph R. (M) 520 McKinley St., ","orth Canton, Ohio (Bonnot Co.) , BUSHO?\G, R. M. (R) Xational Carbon Co.. Tiffin & Town Sts. Fostoria, Ohio BUSTEED, Donald J. (RI) 8 Janet Circle, Shrewshury, :-lass. (Bav State Abrasive Products Co.) BUTCHER. L. H . CO. CR. W. Bendheim) 3628 E. Olympic Blvd. Los Angeles 23, Calif. BUTCHER, William T. "Woodgarth," 3 Stamford Brook Ave. London, W. 6, England (C.oodlass Wa1l & Lead Industries, Ltd.) BUTKOVICH, Edward M. (R) 9000 Buffalo Ave., Chicago 17, III. (Armour Research Foundation) BUTLER, C. Edward, Jr. 152 Elm St., Hudson, Ohio (Consultant) BUTLER, F. W. (W) Akron Porcelain Co., Akron I~, Ohio Bl:TLER, Mike W. (5) Box 816, Austin 64. Texas (Elgin-Butler Brick Co.) Bl:TLER, Thomas J., Jr. (5) Box 279, Austin 2, Texas (Elgin-Butler Brick Co.) BUTTLE, Robert L. (W) 111 Bayview Dr., Absecon City, N. J. (Lenox Inc.) BUZARD, Fred T. (M) Bell, Pine & High Sts., Plymouth, Ohio (Fate-Root-Heath Co.) BYERLY, D. R. (W) Procter & Gamble Co. M. A. & R Bldg., Ivorydale 17, Ohio BYRNS, Alva C. (R) Kaiser ..\luminum & Chemical Corp. IQ~~ Broadway, Oakland 12, Calif: c CABAXIE, Lucien E Japy Freres. Fesches-Le-Chatel (Doubs) France CABLE, John A. (W) 1011 22nd St. 1'>. E., Canton ~, Ohio (U. S. Quarry Tile Co.) CABLE, Margaret (DF) 1520 San Miguel Ave. Santa Barbara, Calif. CABLE, Stephen J. (W) 811 28th St. X. E., Canton, Ohio (Sparta Ceramic Co.) CABOT, GODFREY L., INC. (Frank E. Daley) 105 Glen Dr. Yardley, Pa. CACCAMISE, Charles T. (M) Electro :-ietallurgical Co., 137 47th St. Xiagara Falls, :\. Y. CAHOO"', G. J. (\\'1) Knox Porcelain Corp. Knoxville 11. Tenn. CAHOOX, Harold P. (5) 1555 E. 3350 South Salt Lake Cit), l.'tah (Interstate Brick Co.) CAITO, A. M. (RI) Basic Refractories, Inc. Maple Grove, Ohio CALA, CharIes F. (G) 1-44 Hoover Rd., Rochester 17, N. Y. (Bausch & Lomb Optical Co.) CALDWELL, Helen (D) Board of Education Administration Bldg., 1429 W. Seventh Burlington, la. CALDWELL, Smiley, Jr. (G) R01land Glass Co., Oarksburg, W. Va. CALDWELL, William D. (El) Perfection Stove Co., 7609 Platt Ave. Cleveland 4. Ohio CALLAHAN, H. D. (WFI) U. S. Quarry Tile Co. East Sparta, Ohio CALLAHAN, Jerome T. 1081 Arlington A,e., S. W. Atlanta, Ga. CALLAHAN, Robert M. (X) 1585 Casitas Ave., Pasadena, Calif. (Solar Mfg. Co.) CALLINAN, Edward E. (RFI) 24 E. Fornance St., Norristown, Pa. (Alan Wood Steel Co.) CALVILLO, Juan F. (E) Troqueles y Esmaltes Apartado Postal 371 Monterrey, X.L., Mexico CAMERON, Robert Ayre (G) Corning Glass Work!;, Corning, N. Y. CAMPBELL, C. V. (Ml) 444 Florida Ave., Chester, W. Va. (Ferro Corp.) CAMPBELL, Edward S. (G) Northwestern Glass Co. 5801 E. Marginal Way, Seattle 4, Wash. CAMPBELL, G. Donald (G) 621 Shelbv St .. Shelbyville, Ind. (Pittsburgh Plate Glass Co.) CAMPBELL, Ian (B) California Institute of Technology Pasadena 4, Cali f. CAMPBELL, John D. (E) Box 52, Orange. X. J. (Lithium Corp. of America, Inc.) CAMPBELL, Robert M. (WFI) Alfred, N. Y. (New York State C01lege of Ceramics) CA~IPBELL, Tom W. (W) Box 255, Poland, Ohio (Electro Refractories & Abrasives Corp.) CAMPBELL. Van E. (W) 363 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) CAMBRIDGE GLASS CO. (William C. anne) Cambridge, Ohio ROSTER 7 JJI ------------------ .-:---------------- ,a.a.," ,- UIPOS, F. Torres , . Puerto Rico Clay Products Co. Box 4729. San Juan. Puerto Rico CANADIAN CERAMIC SOCIETY (Miss L. C. Keith I. 49 Turner Rd. Toronto 10. Ont .. Canada C..ELD. J. J (EFI Orlando Dr .. ~Iiddleto\\'n 20. Ohi" co Steel Corp.) c.\x, DiG, Rohert (G I 202 Fox Chapel Rd.. Pittsburgh 38. p" (Pittsburgh Plate Glass Co.) C.WELLMA);. John J. IR) 1118 Highland St .. Tarentum I, Pa. (Pittsburgh Plate Glass Co.) C.WPELLI, Louis A. Theta Xi House. 1io Fourth St.. );. \\'. Atlanta. Ga. CAPPS, Hubert I X I 1108 W. Third 51.. Cot1ey\ille. Katl(Ludowici-Celadon Co.) CAPPS, Wehster (G) National Bureau of Standards Washinl!"on 2S. D. C. CARBORUNDUM CO. IH. C. ~lartin) Niallllra Falls. );. Y. CARDER. Frederick (Honorary. GF) Steuben Di\"" Corning Glass Works Coming. );. Y. CAREY. J. Sheldon I DJ Dept. of Design. t'ni\"ersit)' of Kansas ': .. ;Lawt'ence. Kans. CARiNI. George F. '. '{,:.628 S. Seminole. Okmulgee, Okla. CARL; John E. (GJ) ':;;Coming Glass Works :'c.Central Falls. R. I. CAJLSON. Joseph A. (S) :"'-::"'.50 Hawthorne St. ; '->.'San Francisco 5, Calif. . '. :(Kraftile Co.) CARI.50N. William G. (Rn '::~;"'1452 Penn Ave.. Pittsburgh 21, Pa. ':"""(Westinjfhouse Electric Corp.) LE. Edward C. (S) 128. Ironton. Ohio : arlyle Tile Co.) CARMI. Moshe Box 1039. .'\Ifred. );. Y. CARNAHA);. Thomas D. (Mn B. F. Drakenfeld & Co,. Inc. Box 519. Washington. Pa. CARNES, Kenneth C. (G) . ' Toledo Engineering Co.. Inc. 3001 Sy!\'ania A\e .. Toledo 13, Ohio CARNES. Samuel J. I D) . Camark Pottery Co.. Camden, Ark. .CARO, Robert (W) ',,' Hedi Schoop Art Creations, Box 384 . . ' North HollYwood. Calif. ::C"ROTHERS. 'Harry S. (M) H. C. Spinks Clay Co., Inc. 1000 FirM National Bank Bldg. '. Cincinnati 2. Ohio CAROTHERS. R, B. (MF) H. C. Spinks Cia)' Co. Inc. Box 829. Paris. Tenn. CAROTHERS. Richard B., Jr. (M) H. C. Spinks Clay Co .. Inc. Box 820 . Paris. Tenn. CAROTHERS. T. E. (~I) 1700 De\'e~eaux Dr.. Burlingame. Calif. (Gladdinll'. ~lcBean & Co.) CARPENTER. F. Scott. Jr. (W) White Pigments Division Godfrey' L. Cahot. Inc . 77 Franklin St. Boston 10. Mass. . CARPENTER. Woodrow (E) Barrows Porcelain Enamel Co. Langdon Rd. & Penn. R. R. inCinnati 13, Ohio _ LOWREY GLASS CO. '.r::.. ,Torman R. Beck) Baltimore 3, Md. ROLL, Joseph (X) .-- Marquette Fniversity. Physics Dept. 1131 W. Wisconsin Ave. Milwaukee 3. Wisc. VOL. 33, ~ o. 10 (1934) CARROLL. William F. (\\'1 3499 ~Ic);ally Ave., Altarlena. Calif. (Florence Ceramics Co.) C:\RRtTHERS. John L. (SFII Lord Hall, Ohio State t'niYer;ity Columbus 10, Ohio C.-\RTER. D. R. (~I) EaglePicher Co. American Bldg., Cincinnati 1. Ohio C.-\RTER, F. B. (\\'1) Tiffin 12. Ohio (American Radiator & Standard Sanitary Corp.) C.-\RTER, Herbert D. (EFI I 3351 Dorchester Rd. Shaker Hei!(hts 20. Ohio (Harshaw Chemical Co.) C.-\RTER, J. Guild (~II 190 \\'. State St.. Trenton. ~. J. (Sales Representative) C.-\RTWRIGHT. Rohert' A. 195 Tenth St .. );. W., Atlanta, Ga. CARTWRIGHT, S. V. (Rn 1224 Victoria Ave., Corona, Calif. (Jordan Tile Mfg, Co.) CASAMO, Charles C. (G) Sylvania Electric Pr~ducts, Inc. Emporium, Pa. CASE, W. A., & SON MFG. CO. (Willard G. Young) Robinson, Ill. CASSADY, Bert L. (R) S115 S. Lewis Ave., Tulsa IS, Okla. CASTANY. Charles I. (X) 630 W. Winnipeg San Antonio 11, Texas CASTERLIKE, Dale R. 243 Imperial Ave., Painted Post, X. Y. CATHER, Helen Fisher (W) Box 2372, Laguna Beach, Calif. (Cather Kilns) CATON, Milton W. (RF) 22490 Nevada Ave., East Detroit. Mich. (Ceramic Div . Champion Spark Plug Co.) CAUTHORN, James E. (RJ) R.R. 4, Mexico, Mo. CAVANAUGH. D. J. (WI) 822 32nd St., Parkersburg. W. Va. (U. S. Quarry Tile Co.) CAWOOD, Richard L. (M) East Liverpool, Ohio (Patterson Foundry & Machine Co.) CAYFORD, James M. (E1) 1317 Ridge Ave., Steubenville. Ohio (Toronto Paperooard Co.) CECIL, Paul S. (E) Seaporcel Metals, Inc. 28-20 Borden Ave. Long Island Cit)' I. K. Y. CENTRAL GLASS & CERAMIC RES. INSTITUTE (Atma Ram) P. O. Jada\'pur College Calcutta 32, India CENTRAL SILICA CO. (E. C. Sawyer) 806 Market St.. Zanesville. Ohio CERAMIC ASSOCIATION OF JAPAN (Yogyo Kyokwai) 7, Shiba-~ishikuoo-Sakuragawacho Minato-ku, Tokyo, Japan CERAMIC COLOR & CHEMICAL MFG. CO. (W. F. Wenning) Box 297, Kew Brighton. Pa. CERMAK, Frank (WF) 1542 Union St., Schenectady 8. ~. Y. CERNY, Joseph J. (E) 5226-28 W. 26th St. Chicago 50 (Cicero) lIJ. (Resistors. Inc.) CERULLI, Kicholas F. 73 Forest Ave., Caldwell. );. J. CHADEYRON, A. A. G. Cleveland Magnesite & Refractory Co. Ltd. Kormanby Brickworks. Xormanby Middleshrough, York. England CHALAM, C. Venkata (J) Sodepore Glass Works. Ltd. Bhadaninagar T.P.O. 130 Hazarihagh District, Bihar. India CHA~IBERLAI);. James M. W. (S) Box 350, Akron 9. Ohio (V. S. Stoneware Co.) CHAMBERL.-\I);, Richard S. (Rl 2671 S. Clement .-\\'e., Milwaukee. \\isc. (Harrop Ceramic Service Co.) CHA~IBERS. Gordon H. (~I) Foote Mineral Co .. 18 W. Chelten .-\\e. Philadelphia 44. Pa. CHAMBERS, J. Fred (~\) Kational Gypsum Co.. Luckey. Ohio CHAMPION SPARK PLUG CO., CERAMIC DIV. (James S. Owens) 8525 Butler .-\\'e.. Detroit II. ~Iich. CHAXDLER, Keith B. (\\') 3160 W. 106th St.. Cle\'eland 11, Ohio (Cle\'eland Ceramic Corp.) CHA);TLER, L. \\'. (R) Standard Lime & Stone Co. Millville. W. Va. CHAPMA);, Frank E .. Jr. (E1) 5905 Hamilton A\'e., Baltimore 6. Md. (Pemco Corp.) CHARBO~lI:IER. William P. (R) Walsh Refractories Corp. 101 Ferry St., St. Louis 7. Mo. CHARLAND, Tel L. (RI) Air Force Project. Box 722 Alfred. N. Y. CHARLTO);, Alex E. (W) Photoceramics. Inc. 1822 Western Ave .. Cincinnati 14. Ohio CHARMAK, Walter Moo Jr. (R) Ferro Engineering Co. 1208 Hanna Bldg., Clevelanrl IS. Ohio CHARVAT. Fedia R. Mass. Inst. of Technology 409 Graduate House C~mbridge 39. Mass. CHASE, Dana (EF) Dana Chase Publications Elmhurst Xational Bank Bldll(. York St. at Park Ave.. Elmhurst, III. CHASE, Harry K. (R) 4040 Lakeshore Ave . Oakland. Calif. (Western Refractories Co.) CHATTANOOGA GLASS CO. (Joe G. Venable) Chattanooga 10, Tenn. CHAUMEIL, Frederic Verreries de Bagneaux et Appert Ferres Bagneaux siLoing Seine et Marne, France CHESLER, 15idor (M) 710 E. 14th St.. New York 9. );. Y. (Eagle Pencil Co.) CHESTER. A. E. (E) Promat Dhision., Poor & Co. 851 S. Market St., Waukegan. Ill. CHESTERS. John H. (F) United Steel Co,. Ltd. Research & De\'elopment Dept. "Swinden House," Moorgate Rotherham, York. Enll'land CHICAGO HARDWARE FOUNDRY CO. (John J. Geral(hty) ~orth Chicago. Ill. CHICAGO POTTERY CO. (J. S. Clifford) 1920 CI)'oourn Ave. Chicago 14. 111. CHICAGO VITREOUS CORP. (William HOll'enson) 1425 S. 55th Court Cicero SO, Ill. CHILCOTE. Joseph H. (R) 1907 16th St.. );., Arlinl(ton 1, Va. (Bureau of Ships. lI:a\'y Dept.) CHILD. James Loo Jr. (S) Hancock Brick & Tile Co., Box 59 Finrllay. Ohio CHILDS. Clanon G. (B) 2257 );. York St., Owensboro. Ky. (General Electric Co.) CHILDS, Edwin Eoo Jr. (E)) 3602 Bowers -",e.. Apt. A Baltimore 7. ~fd. (Pemco Corp.) ROSTER 9 -----------_..,."", :HILDS, H. W. (W) Bell :Minerals Co., \Yest Paris, :\Ie. :HING, Tung Rey 93 Chatham Rd., Kowloon, Hong Kong :HIOCHETTI, Vincent I G) 32 Oak Square, South .\ttleboro, :\lass. .ens-corning Fiberglas Corp.) : LM, BOYD & WHITE CO. rt A. Ebersole) 610 W. 57th St. . .go 21, Ill. :HIU, HungWen (G) 204 Hudson AYe .. ?\ewark, Ohio (Holophane Co., Inc.) :HORMA~?\, O. 1. lG) 195 Gregory Hill Rd .. Rochester, X. Y. (Pfaudler Co. I :HOTHIA, Boman S. Wadia Bldg.. 137 Queen's Rd. Bombay, India :HRISTE?\SEX. Carl J. (R) Universitv of l'tah Salt Lak~ CitL Utah :HRISTENSEX. Chr. Den Kongelige Porcelainsfabrik & Fa;ancefabriken Aluminia A/S Smallegade 45, Copenhagen F., Denmark CHRISTIE, Leonard D., Jr. (R) '343 Sound Beach Ave. . Old Green.....ich, Conn. (Babcock & Wilcox Co.) ~lSTMAl\, Brian B. (W) :~;i~S.Eggert Ave., Metuchen, N. J. .:~.l2i(Riehmond Radiator Co.) CH'RI~TMAN, C. E. (E) :":',{Jederal Enameling & Stamping. Co. . '.::Pittsburgh, Pac .. CH.RISTMAN, H. M. (Rn ':.)023 Roosevelt, N. E., Massillon, Ohio .:. ,(Massillon Refractories Co.) ~STOPHER, A. B. (5) ,:/:" Chambers Bros. Co., 52 & Media ;:;:.Philadelphia 6, Pac glUt, Gordon P. K. : :'.>~rch Laboratory, pfaudler CO. ,:.:, ~est Ave.. Rochester 3, X. Y. Prince Edward Rd. Wloon. Hong Kong CIA. MEXICANA DE REFRACTARIOS A. P. GREEN. S. A. (H. Fetter) Hamburgo 51, Apartado Postal 71 Bis Mexico. D. F. CICHOWSKI, V. J. (E) . Fusite Corp . 6028 Fernview A'e. Cincinnati 13, Ohio CINCINNATI MILLING PRODS. DIV. CINCINNATI MILpNG MACHINE CO. (Hayward A. Gay) 4701 Marburg Ave .. Cincinnati 9, Ohio CLARE, Robert L. (SFIl 212 Rector St., Perth Amboy, X. J. CLAn, Alec W. ' .Beatson, Clark & Co.. Ltd. Rotherham, York. England CLARK, C. Burton (R) 113 DeArment Parkway . Pittsburgh 28, Pa. CLA'(Harbison-Walker Refractories Co.) RK, Horace N. (R) Refractory & Insulation Corp. 120 Wall St., Xe..... York 5, X. Y. CLARK, James L, (5) 5 Stuart St., Demer. Colo. (Robinson Brick & Tile Co.) CLARK, John D. (Xl) 656 Lindley Rd .. Glenside, Pac CLA(Foote Mineral Co.) RK, John R., Jr. (5) Washington Brick Co.. :\fuirkirk, Md. CLARK, John T. (W) ~gl~-Picher Co., American Bldg. CL Clncmnati 1, Ohio ARK, Keith R. (W) r Mfg. Corp. 6th 51. & Seville Ave. Angeles 58, Calif. CLARK, Richard E. (MI) Sparta Ceramic Co. East Sparta. Ohio VOL. 33. No. 10 (19;')4) CLARK, Roland J. (M) Precision Grinding Wheel Co., Inc. 8301 Torresdale Ave. Philadelphia 36, Pac CLARK, Thaddeus J. E. (W) 113 Elmore Ave., Tr~nton 9, X. J. (Trenton Potteries Co.) CL,\RKE, Ford K. (G) Philco Corp., Church Rd., Lansdale, Pac CLACS, Karl M. (W) :\Iosaic Tile Co., Pershing Rd. Zanes\ille. Ohio CLAY CRAFT CO. (l.'hmip W. Tefft) Box 866. Columbus 16, Ohio CL,\ YPOOLE, Stewart A. (G) R.R. 2, Painted Post, K. Y. ICorning Glass Works) CLEl\IE;\S, August, Jr. (M) ::lOS E Gittings Ave., Baltimore 12. :\ld. (Arcrods Corp.) CLDlEXS. Eugene C. (SI) Cannelton Sewer Pipe Co. Cannelton, Ind. CLEVELAND MUSEUM OF ART (William M. Milliken) Cleveland 6, Ohio CLEVELAXD, Theodore K. (G) Sixth & Grayson Sts. Berkeley 10, Calif. (Pbiladelphia Quartz Co. of Calif.) CLEVEXGER. Thomas R. 7 Bartlett St. Xew Brunswick. N. J. CLEVERLY, Robert B. (51) American Vitrified Products Co. Box 364, Sta. A., East Liverpool. Ohio CLEWS. Francis H. British Ceramic Research Assn. Queens Rd. Penkhull Stoke-on-Trent, England CLICK. Roy, Jr. Vniversity of Alabama, Box 791 l'niversity, Ala. CLIFFORD, J. S. (W) Chicago Pottery Co. 1920 Clybourn Ave., Chicago 14. Ill. CLIFT. Robert E., Jr. (X) CO\'e Rd., Stonington, Conn. CLI:-':E, I. R. (5) Western Brick Co., Danville, Ill. CLIXE, Robert W. (WI) 377 Main St .. East Aurora. X. Y. 10nondag;l Pottery Co.) CLIXGAX. J. R. T. (R) :-':iles Fire Brick Co., 165 E. Park A,e., Xiles, Ohio CLIPPER DIAMOND TOOL CO.. INC. (Joseph KlipperJ 21 W. 46th St. New York 36. N. Y. CLOSE, Paul (G) Owens Illinois Glass Co. Box 1035-6, Toledo, Ohio CLOUGH, Philip J. (R) Kational Research Corp. 70 Memorial Dr., Cambridge 42, l\{ass. COATES, Bill (SF) Coates Co., Box 935, Austin, Texas COBLE. Robert L, . Massachusetts Institute of Technology Room 2-067, Cambridge, Mass. COEX, Bernard (W) Woodbridge Sanitary Pottery Corp. 500 Green St., Woodbridge, X. ]. COFFEEX. William \V. (EF!) 1024 Boulevard. Westfield, X. J. (Metal & Thermit Corp.) COFFER. L, Wallace (R) Extractive Metallurgy Division Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio COFFIN. Leon B. (W) Andover, X. Y. (Alfred Vniversit)) COGEN, Saul (5) Davidson Brick Co., 4701 Floral Dr. Los Angeles 22. Calif. COHEX, Aaron (5) Box 405, Willamina, Ore. COHE:-':, Ah'in J. (G) :\lellon Institute, HOO Fifth Aye. Pittsburgh 13, Pa. COHEX, Arthur E. (G) Svlvania Electric Products, Inc. C~ttage Place, l\lineola, X. Y. COHEX, Bernard lG) 204 Fall.St., Seneca Falls, N. Y. (Sylvania Electric Products, Inc.) COHE:-':, Joseph (:\11) Ferro Corp., Allied Engineering Di\. 4150 E. 56th St., Clneland, Ohio COIX, R. H. (E) Ingram-Richardson, Inc. Frankfort. Ind. COLCORD, John E. (RJ) 3425 Ethyl St.. Clay Twp. South Bend, Ind. (Bendix Products Di\.) COLE, G. Percy (G) Dominion Glass Co., Ltd. Box 190, Montreal. Que., Canada COLE. Sandford S. (BFl) Titanium Division, Xational Lead Co. Research Dept .. Box 58 South Amboy, X. J. COLE, Sandford 5., Jr. (RJI) Power Tube Div., Raytheon Mfg. Co. Waltham 54, Mass. COLEMAN, Caruthers A. (5) 113 Cheapside, Lexington, Ky. (Big Run Coal & Clay Co.) COLEMAN. J. C. (G) 3746 Mapleway Dr., Toledo 14, Ohio (Kimble Glass Co.) COLEMAN, Robert L. (51) 467 Dogwood. Park Forest Chicago Heights. Ill. (Chicago Brick Co.) COLEMAN, Thomas B. (5) 635 Tarboro St., Rocky Mount, N. C. (Xash Brick Co., Inc.) COLLIER, Roger E. 770 Techwood Dr., X. W . Atlanta, Ga. COLLIXS, G. F. (G) Pittsburgh Plate Glass Co., Box 750 Henrvetta, Okla. COLLIXS, Paul F. (WI) Microcast Dh .. Austenal Labs., Inc. 7001 S. Chicago A,'e., Chicago 37, III. COLLlXS. Robert (Gl 89 t."nion St.. East Rutherford. X, J, (\\'estinghouse Electric Corp.) COLLIXS. William G. (MI) Johns~lamille Corp .. Waukegan, Il1. COLONIAL INSULATOR CO. CR. W. Hemphill) 945 Grant St. Akron 11, Ohio COLOSKY, Benjamin P. 16::l1 Windre\\' AYe. South Plainfield. XI. J. COLUCCI, George M. (W) ::l459 S. Seneca Ave" Alliance, Ohio (Royal China Co.) COLUMBIA FIRE BRICK CO. (M. L, Hamaker) First National Bank Bldg. Canton 2, Ohio COLUMBIA-SOUTHERN CHEMICAL CORP. (R. W. Miller) One Gateway Center, Pittsburgh 22, Pa, Co:\fEFORO, J, E. CB) 70 Roberts Dr., Bedford, Mass. (Sylvania Electric Products. Inc.) COMMERCIAL DECAL, INC. (Alfred Duhrssen) East Liverpool. Ohio COMMERCIALORES. INC. (Albert R. Eckel) Clover. S. C. COMMONS. Charles H., Jr. (WFI\ Foote Mineral Co., Berwyn, Pa. COMPAGXl'CCI. Julius P. (W) Bay Ridge Specialty Co., Inc . Trenton 6, :-':. J. COMPANHIA PAULISTA DE MINERACAO (Eduardo C. Simonsen) Rua Boa Vista 84-7' Andar Sao Paulo, Brazil ROSTER 11 1 I f I ---", O:\ARD. John B, I SJ 600 Ha",thorne Lane. ~lansfield. Ohio (Richland Shale Brick Co.) O:\DO:\. Edward L. \GI 5 Crestwood Rd. Corning. :\. Y. (Corning Gla" \\' orks,l o.arroll \(;, Virginia .he., Columbus 12, Ohiu . du Pont de :\enwurs & Co.) ON~. Willi' ~l. I G I 6312 Indiana .\\C,. Kan,..as City 30. ~Io. (Consultant I OX~ELL, Geor!?c .\, I B I Pacific Coast Burax C" .. Box 9128 Station S. Ln- .-\n!?e1e, 5. Calif. OXXELLY, Daniel S. \RI 2801 X. Park BIni. Cleveland H ei"hts 1R. Ohi" (Tocco Di\'.. Ohio Cranbhaft Cn,) ONOVER, Ra~ C IRI I Gladding. ~kBeall & C". 2901 Los Feliz BI\ d, , Los :\ngeles 3". Calif. ONRAD. Charle,.. E .. Jr. (GI Libbey-Owens-Ford Glass Co. Box 4278, Charle>ton 4. \\'. Va. ONRAD. Keith (G) Owens-1I1inois Glass Co. 1700 N. Westwood, Toledo 6. Ohio ONROE, Barden A. iGJ) 93 Gorton St .. Corning, N. Y. , . (Coming Glass Works) ONSOLIDATED GLASS WORKS, LTD. (I. Donen) Box 562 ",' 'Germiston. Transvaal. South JUrica ONSUMERS GLASS CO" LTD. (John N. Jordan) Box 456. Station B , Montreal, Que . Canada ONTARDI, William A. (WI) 206 Highland Ave. !ofetuchen, N. J. (Automatic !offg. Co.) 'OOK, Eugene ~L (G) 509 Broadlawn Terrace, Vineland, N. J. ofble Glass Co.) erman L. (EF) Beardsley Ave .. ~luskegon. Mich. orge Di\ . Borg-\\'arner Corp.) OOK, Leslie J. (~I) 1621 Reliez Valle\' Rd, Lafayette. Calif. ' (Leslie Cook Laboratories) OOK MANUFACTURING CO. (Edgar H. Freeman) Box 157 Walnut. Calif. OOK, Ralph L. (EFli 204 Ceramic,.. Bldg. University of Illinois. l'rbana, 111. OOKE, Cha-rles C. (G) 2858 S. 109th St.. Toledo 11, Ohio (Owens-1I1inois Glass Co.) OOKE. David C. I WI) 2S Chestnut St .. Haddonfield, N. J. (Universal-Rundle Corp,) OOKE, Robert S. I E I Industrial Centre # 5 Quebec. Que .. Canada (Crane Stee!\"are, Ltd.) OOKE. William C. ((;) Blue Rid![e Glass Corp. Kingsport. Tenn. OOMBS. \\'. ~l (~) Owens,lllinoi, (~lass Co. Bridgeton Plant :\0. 14, Bridgeton. X. J, OOPER, Alfred R. IG) 232 Dauntless Lane, Hartford, Conn, (Hartford Empire Co.) OOPER. Geor![e I. (\\' I 401-Mackley ,\pts., Philadelphia 24. Pa. (Signal Corp, Supply Agency) OOPER, Walter \\'. i~l) hemical Co. nic Chemicals Sales and, ~IIl'h. OOPER, William G. (\n 19316 Stockton ,\Ie. Maple Heillhts. Ohi" (Ferro C"rp , Qt. 3.1, ;';0. 10 (I n.-I.!) COORS PORCELAIN CO, tHo \\'. Ryland) 600 :\inth St. liolden. Colo. COPE. \\'illiam E. (~ll Barcla~ ~Iachine, Inc. Box 146, Sebring, Ohit! COPPI:\l;. J. \\'. (WJ S"'itchgear & Industry Control Dept. Canadian l;eneral Electric Co .. Ltd . Parr St .. Peterborough. Ont.. Canada COR B,-\:\. \\'ilhur H. (\\) 31 "8 Dre,den Rd., Zanesville. Ohi" ICeramic Supply Ct>.) ('URBETT, Keith T. 26341 I'ark Lall'n Dr .. Enrlid Ii. Ohi" CORB~I.-\:\. ~lorriss \ S) :\ell' Jer;ey Shale Brick & Tile Corp, Box 2-1". Somerville. :\. J. CORDES, John E. (\\"1 I ,333 Humboldt ..\\-e., S. ~Iinneapoli, 19. ~[inn~ t Lithium Corp. of ,\merica. Inc.) CORHART REFRACTORIES CO.. INC. t Frederick S. Thomp,on) 1600 \\'. Lee St .. Louis"ille 10, Ky, CORNING GLASS WORKS IJ. T. Littleton) Corning. :\. Y. COR:\ISH. Frank L. (GJ Corning Glass Works, Charleroi. Pa. COR:\\\'ELL, George L. (B) IiI Eiseman. Kenmore 17, X. Y. (Exolon Co.) CORSO:\, Robert (GJ) 203 E. Valley St.. Endicott, :\. Y. CORWIX, Rudolph E. (R) Applied Physics Laboratory Cnh'ersity of \Vashington 1013 E. 40th St., Seattle 5. Wash. COSOLITO, Bartolo G. Box BB, Alfred. N. Y. COLTH. Albert H. (RFI) Libbey-Owens,Ford Glass Co. 1701 E. Broadway, Toledo 5. Ohio COl'GHA:\OL'R, L. W, (B) 5515 Oakmont A\'e" Bethesda 14, ~ld t :\ational Bureau of Standards) COL':\TS, \\'illiam E. (B) 164" Euclid Ave .. Flint, ~[ich. (.-\. C. Spark Plug Div. General Motors Corp.) COl'RI, Richard A. iG) Box 109, South Woodstock. Conn. (American Optical Co.) COt:RT, G. R. (EJ) i43 S. Osborn Ave., Kankakee, Ill. 1.-\. O. Smith Corp.) COt:RTER, R. F. DO Globar Di\'., Carborundum Co. :\iagara Falls. N. Y. COCRTXEY, Scott J. (G) B. F. Drakenfeld & Co. 45-4i Park PI .. New York 7, X. Y. CO\':\:\, H. E. (S) 464 Canyon Dr.. N .. Columbus, Ohio (Orton Ceramic Foundation) CO\\'A:\, J. G. "Roselands," Billington Hau![hton. Staff, England (l'ni"ersal Grindinll Wheel Co.) CO\\'.-\:\. R. Guy (OF) 416 Brooklea Dr .. Fayette\'i11e. X. Y, IOnondalla Pottery Co.) CO\\,-\:\. Rohert E, 204 Ceramic, Bldll. c'ni,'ersity of Illinois, t:rbana. III CO\\'ELI.. J. Rohert. Jr. (G) \\'o(o(I\'ille Lime Prodpcts Co. 2140 Jefferson Ave, Toledo ~, Ohio CO\\'LES. Robert J. i \\') Ql1?lity Components. Inc. St. ~Iary'. Pa. CO\\'Ll :\G. Kenneth \\'. iQ :\orll'ood Rd. Sheffield 5, Enllland eThos, ~larshall'''& Co., Ltd.) COX. Edwin H. (\\') 20111 \\'ickfield .'\\'e. ele'eland 22. Ohio I Ferro Corp.) COX. John E. \R) The Horse Head Inn, Palmerton, Pa. (:\ell' Jersey Zinc Co.) COX. Panl E. \51' I 520 :\. Tenth St.. Baton Rouge 8. LL (Louisiana Geological Survey I COX, Samuel F. (GJ Pittsburgh Plate (;Ia" Co. Creighton, Pa. COX. Shaun ~l. J. ,-\. Jobling & C" .. Ltd. \\'ear Gla", \\'orks Sunderland. Durham. England COY. John Jod (EI lli89 \'ictaria Park :\"e .. \\'exi"rd I'. U Toronto. Ont.. Canada I Fri![idaire Products oi Canada Ltd" CR,\FT, R. S. (R! Findlay Clay Product, Co. \\'ao;hington, Pa. CR,\IG. Bruce G lEi 4520 :\. 148th. ~lilll'auke~, \\'i-, (A. O. Smith (orp.1 CRAIG. David ~!.. Jr. (G) Pittshurgh Plate lila", Co, 420 Fort Duque,nc Blvd. Pittshurgh 22. Pa. CR:\IG, James \\'. (R) Canadian Refractories, Ltd. 1050 Canada Cement Bldl'(, ~lontreal 2. Que., Canada CRAIG. John 0,. Jr, (~f) Pennsylvania Pulverizing Co. 2 Gateway Center. Pittsburgh 22. 1'3 CRAIN. Harold H .. Jr. Port Matilda. Pa. CRA~1ER, W. E. (WFIl Industrial Ceramic Products, Inc. 965 W. Fifth Ave., Columbu> 8. Ohio CRA:\DALL, Eugene R, (Rll 258 Gulf St.. Milford, Conn, iMullite Refractories Co.) CRAXDALL. James R. (EI) 4514 Chestnut St.. Bethes::a 14. ~l d (National Bureau of Stan'!ards I CRAXDALL, William B. (RII Box 70i. Alfred, N. Y. (OS,R. Research Project I CRANDO:\. A. S. (G) American Window Glass Co. 9 W. Park \\'ay. Pittsburgh 12. Pa, CRANE CO. (W. ~l. Hamilton) Chattanooga Di\'.. Chattanooga. Tenn eRAWFORD, George E. (\\'FIl 221 Sumner AIe., New Castle. Pa, I t:niYersal-Rundle Corp.) CRAWFORD. Geor"e S, (~ll Research Council of Alberta l'niversity of Alberta Edmonton. Alta .. Ca.ada CRAWFORD. J. C. Jr. (R) Johns-Mam'ille Sales Corp. 22 E. 40th St.. New York 16. :\, y, CRAWFORD, J. L. (RFIl 740 Brittany Lane t:'ni\'ersity City 24. Mo. CREED, Michael B. (R) 63 Man'el Rd . Xew Hal'en, C":m. (Mullite Refractories Co,) CRESO:\, Walter F. (R) Babcock & \\-ilcox Co. 1220 Xational City Bank Bldg Cle\'eland 14. Ohio CRESS. William C (Rl) Carolina Ceramics. Inc. R.R. 3, Columhia. S. C. CRESSY. ~lorton (Gl Hartford-Empire Co. 333 Homestead AIe . Hartford 2. Conn CRIDER, Paul H. (E) Butler Dr.. Ttlrtle Creek. I'a (c'. S. Steel Corp.) S. A, CRISTALERIAS DEL URUGUAY (Francisco J. Gercarl Comercio 14a I ~lonte\'ideo. C rul'(tlay CROCKETT, \\'illiam E. (X 1 1215 X. Arlin![ton :\ve. Tndianapnli" Ind. (Sales [nKine"r) ROSTER 13 1 RONIN CHINA CO. Minerva, 'Ohio RO:\I1\, Leo J. IRI 56 MacArthur Rd .. :\"atick, ~Iass. (Ra)theon ~Ifg. C".I 'RO~I1\GER, George J. (~I) \Vahl, Inc .. Brocton, :-;. Y. Arthur H. I ~Il lare Lead & f luorspar ~Iilllng Co. Box 49, Rosiclare. Ill. :RONN, Eduarcl Steingutfabrik Schwarz" ald. G.~I.B.H. Homberg (Sch"arz\\aldhahnl. Germany :ROOK, Charles Edmun,l I ~I ) Los Angele,; Chemical C", 1960 Santa Fe .\,e. Los Angeles 21. Calif. :ROOKSTOX, Jaml" .\. (RI) 28 Alton Dr.. l'ilt,;hurgh H, Pa. (Harbison, \\. alker Refractories Co.) CROOKSVILLE CHINA CO. (Harry J. Bennett I Crooksville, Ohio :ROOM, Henry C. 1112 S. Tarhoro S1.. \\"ilson. :\. C. CROOM, Milton ~1. (Xl 201'/. Groveland -,he.. Raleigh. X. C. (N. C. Dept. of ('onsen'ation & Development " CROSBY, Donald P. (R I ) .Harbison-Walker Refractories Co. : Fulton, Mo. CROSKEy, Carl D. (W) "o:"~~lMorro\\":\Ye., Schenectady 9. ]I;. Y. :... (Locke Dept., General Electric CO.) CRQSS. A. H. B. ." . ':'BroWD-Firth Research Lab. ";~ Princess St.. Sheffield -l. York, England CROSSAN, W. A. (5) .-:,;;;),{etropolitan Brick. Inc. '-\1017 Renkerl(Bldg .. Canton 2, Ohio CROSSLEY MACHINE CO. ";.""{William ]. Harris) Trenton 9, 1\, J. CRQ.WE, Samuel H .. Jr. (G) :.,::416 Mississippi :\.\'e.. Crystal City, Mo. ttsburgh Plate Glass Co.) EY, Henry L. (B) entral :he., West Orange, X. J. . (Henry L. Crowley & Co . Inc.) CROWLEY, Michael S. (KJI) . ;244 Alleghenv. Park Forest, Ill. (Standard Oil Co.-ll1(liana) CROZIER, Georl<'e W. ::'Box 827. Alfreel. X. Y. CRUIKSHAKK. C. L. 1M) -GTeat Lakes Foundrv Sand Co. 720 United .... nists Blelg. Detroit 26, Mich. . C1.!LBERTSOX. J. H. (W) :;:,National Ceramic Co. :/'500 Southarel St.. Trenton 2, N. J. ~MINS, Arthur B. (B) .' .:.. / .. Moming Glory Rei.. Bound Brook, N. J. ..(Jobns-Ma",ille Co.) CUMMINS. Ronert K. IG) :.;:..General Electric Co., 1133 E. 152nd St. --.Cleveland 10. Ohio C\]NLIFFE, J. A (\\') ..' 266 Seventh St. ... Medicine Hat. Alta .. Canada '.' (Medicine Hat Brick & Tile Co.. Ltd.) CUNNINGH:UL J. H .. Jr. (5) Cunningham Brick Co., Thomasville. X. C. CUNNINGILUL Robert J. (G) 56 W. Channel St .. Xewark, Ohio : (Owens-Cornin!: Fiheq{las Corp.) CURCIO, Anthon" L. I\\'I) .~:: 21 Church St., Bound Brook, X. J. .. :.? (Automatic Mfg. Corp.) CURRAN. EDWARD ,'.,)tNGINEERING, LTD, (D. Ryan) rdiff, Wales . AN, Martin T. 2 Nn._?' 562, Alfred. 1\. Y. -;"':':'UU\N, Robert (R\) o:~~: 75-68 35th Ave. .:,.:::."Jaekson Heights 72. K. Y. , (Plibrico Co.) ;y~. 33, No, 10 (1954) CLRR\. William j., Jr. (R) Hiram Swank's Sons, Box 630 Johns(O,nl. Pa. Cl'RTIS. Carl E. (RI) -l0-l \\", Vanderbilt Dr. Oak Ridge, Tenn. (Carbide & Carbon Chemical Corp.) CL'RTIS, \\'illiam H . Jr. 50 Cro,;hy St., Hornell. );. Y. n'RTS, R. ~1. (C; I American Potash & Chemical Corp. 122 E...2nd St.. Xe\\' York Ii, X. Y. Cl-THILL. John R. lEI. Enan1('1<:d ~Ietals ~ection Xational Bnreau of StanJanl" \\"a,hing-lOn 25, D. C. Cl'TLER. han B. I B I 220 ~Iilles Bld~.. Cni"er"ity of l'tah Salt Lake Cit, I. t"tah CZ .... R:\ECK1. Ka'mil B. i5 Queen':, Catc London. S. \\". i, En~lalHl lAg-lite. Ltd.) CZECHOSLOVAK CERAMIC AND GLASS SOCIETY (R. Barta) Technicka ul.c.5 Praha XIX, Czechoslovakia D D'ADRIAX, Vincent L. D. (G) 7823 Kenridge Lane Shrewsbury 19. Mo. (Mississippi Valley Research Lab.) DAGER. Probert W. (MF\) 5628 Greenbush, Van Kuys. Calif. (H. C. Spinks Clay Co.) DALE, Alfred J . Johnson Bros, (Hanley) Ltd. Stoke-on-Trent, England DALEY. Frank E. (M) Godfrey L. Cabot, Inc, 105 Glen Dr.. Yardley. Pa. DALTON, Robert H. (G) 2H Delevan Ave., Coming. X. Y. (Corning Glass Works) DALY. Howarel J .. Jr. (I) Xorton Co.. Kew Bond St. \Vorcester 6. Mass . DAM ERELL. Marguerite (W) Exton, Pa. (Damerell Mfg. Co.) DAMMAXX, Richard W, (5) 19 Parkway Lane, Bradford, Pa. (Hanley Co.) DAKIELSOX, R. R. (EFI) Metal & Thermit Corp.. Carteret. K. J. DAKK, Milton (G) Owens-Illinois Glass Co. 17001\. Westwood Ave., Toledo 7, Ohio DANKS. William H. (G) 216 Mississippi A,e . Crystal City, Mo. (Pittsburgh Plate Glass Co.) DARBY. Geo~e M. (M) 61 Washington Ave . Westport, Conn, (Dorr Co.) DARLING. D. G. (S) Toronto Brick Co., Ltel . -l25 Bayview Ave, Toronto 17, Ont" Canaela DARRAH, W. A. (G) 901 1\. Oak Park BinI.. Oak Park. III. (Continental Inelnstrial Engineers. Inc.) DAS Gl'PTA. A. K. (\\" I Solar Mf!:. Corp. -l6th St. & Seville An. Los Angeles 58, Calif. DAl.'MKE. Arthur H. (El 4451 X. California Ave. ChicaJro 25, 111. I Harshaw Chemical Co.) DAt'WALTER, A. C. (5) W. S. Dickey Clay Mf!:. Co. 607 Commerce Trust Bldg. Kansas City 6. Mo. DAVEY. Earl R. IW) Canadian Ohio Brass Co .. Ltd. :\iagara Falls. ant .. Canada DA VEY, Frederick K. (B) 20 Seminary Ave . Luthenille. ~Id. (Friez Instrument Div., Benelix Aviation Corp.) DA \'IE5. Chester A. (WI) Park Lake An., Titusville, X. J. (American Radiator & Standard Sanitary Corp.) )) .... VIE5, Edward G. (G) Dominion Gla" Co., Ltd. \\'allacehnrg. Ont.. Canada Dc\ \'\ ES, Thomas H. IG I ~lellon Institute ...-l00 Fifth .\\t.. Pittshurgh 13, 1'a. D.\\[S. Earl K. (G) Bansch & 1.0mb Optical (", Rochester. X. Y, D:\\'IS. Dee Charles (EI Barrows Pon'elaiu Enamel C" I.anl(<lon R,1. & Penn R. R. Cincinnati 13, Ohi" DAVIS FIRE BRICK CO, Oak H ill. Ohio D:\ \"IS. Harry E. (\\'FJ) t'ni"ersal Potteries, Inc. Camhridge, Ohio D:\\'IS, H. ;\1. (E) Pennsvl\'ania State lln;\,er,.it, ~liner~1 Industries Blelg. " State College. Pa. DAVIS, James K. (G) 211 Walnut St.. Elmira. X. Y. (Corning Glass Works) D:\ VIS. X. B. (M) C"nadian Flint & Spar CO"I.t<1. Room 512, 1-l0 Wellington St. Ottawa, Ont.. Canaela DAVIS. Sam H.. Jr. (W) 808 1\. Howard, Robinson, Ill. (W. A. Case & Son Mfg. Co.) D.\Y. Arthur L. (Honorary, G) 9113 Old Georl(etown Rd. Bethesda H. Md. DAY, Charles M. (R) Valle\' Dolomite Corp, Rm. 7Q6, Arcaele Bldg. 812 Oli"e St.. St. Louis I. :'.10. D.\Y. Frank. Jr. (G) Corninl( Glass \Vorks. Corning, X. Y. DAY, Jack F. (WI) 835 Forest A,e .. Zanes\'ille. Ohio D.\Y. Ralph K. (GFI) Libbe"-Oweno;- Ford Glass Co. 1701 'E. Broadway. Toledo 5. Ohio DAY. Robert B. (SI) 516 S. "'alnut St.. Brazil, Ind. (Arketex Ceramic Corp.) DEADWYLER. Earnest W. (I) 61 Winthrop Rd .. Columbus l-l. Ohio DEAR. Paul S. (BFI) Virginia Polyte~hl1ic Institute Box 205. Blacksburl<'. Va. DE BECK. Hunert O. (M) Box 26-l. Johnson City. Tenn. IConsulting Engineer) DEBE1':HAM. W. S. (En United States Steel Corp. 525 William Penn PI. Pittsburl(h 30, Pa. DECKER. Alfred R. (M) 811 X. Se,"enth St. Cambridge, Ohio DECKER, Edwar<l L. IE) 825 Exeter Hall Ave. Baltimore 18. ~1". (Pemco Corp.) DE COL:RSEY. Donalel T. 688 Florida A\'e . Pittsbur~h 28. Pa. DEETH, H. R, (M) American Xepheline Ltd. Lakefielel. Ont., Canada .Ie FELICE. Ralph (D) 28 Shore Cliff PI. Great Neck. Lonl( Island, 1':. Y, (Abels. Was~rherg & Co.) DEIG1\:\X. Charles J. (SI) 120 X. E"erett A\'e .. Columhus. Ohio (C1aycraft Co.) 11 , J 1I ....ROSTER ]5 ---~----_.& 'ELAHOY, Dayid L. (Rl 8610 Bollier .he.. Xiagara Falls, X. Y. (Harper Electric Furnace Corp.) , LEECW, Peter Central Post Office Box 323 Tokyo, Japan borundum Co.) } 0, Cyril B. IGI Glass I "dusty.\' 55 W, 42nd St .. Xew York 36, X. Y. >eLONG, Hermon \\' .. III fGl 67 Main St.. Dan;\ille. X. Y. (Eastman Kodak Co. I >EMAISOX, R. J. (R) Quigley Co., Inc .. 527 Fifth .\\e. New York 17. X. Y. )eMARIA, Vincent C. I G) 1468 Wms. Bridge Rd .. Bronx 61. X. Y. (Sylvania Electric Products. Inc.) OEMING, Wilbur S .. Jr. (~I) C. Tennant. Son; & Co. of Xew York 100 Park Ave .. Xew York 17, X. Y. DEMONGEOT. Henri I D) Interkiln Oyersea, Corp. Box 1348, Grand Central New York 17. X. Y. DEMUTH GLASS WORKS, INC. ,(Willard B. ~Iidflette I Box 629 ..Y:::"1'arkersburg. \\'. Va. DE.NEEN, W. F. on .' .lirth Carolina Feldspar Corp. , Tenn. O. Jobn V. <RJ) .5 Prospect St.. Apt. 3 h~jAlliance, Ohio ~. ~~Jlabcock & Wikox Research Center) . 'ISON ENGINEERING CO. THE . C. Denison) 1160 Dublin Rd. mbus 16, Ohio ON, George W. (SF) Clav Co.. Box 17711 eland' 5. Ohio SON, Norman E. (S) Clay Co.. Box 1776 eland 5, Ohio N. W. C. on e Denison Engineering Co. ):~", . 160 Dublin Rd.. Columbus 16, Ohio ~~ KONGELIGE PORCELAINS ~:i::".}rABRIK & FAJANCEFABRIKEN :f;f:'ALUMINIA A/S .:~~#.;(9Jr. Christensen) Smallegade 45 ~FoPenhagen F .. Denmark .~~~MAN, Cedric E. (S) "XCGreat Bend Brick & Tile Co.. Inc. iJ:!Ox 53, Great Bend. Kans. ,::;1!?OSSE, Victor.\. ,EJ) . <;,.,:17476 Shaw Aye .. Lakewood 7. OhlO .t1{;'Yij.tFerro Corp) ;'1J..l,r.,iIl..EMER, John. "'r. (RI) ;,'~~:$Ol A~izona y,>r.. :\ew Kensington, Pa. .'1/j;J.Amencan \\. md;'w Glass Co.) c.~CE, Gerhard (X) 'i~'~rnegie Institute of Technology :." i~ ittsburgh 13. Pa. ~GER, W. A. (EI) ~..O. Smith Corp. . . :3533 N. 27th 51.. ~Iilwaukee 1. Wisc. '~0."OUX, Juan Ramon OJ) ;.>E;i'::;.:Box 1486. Panan1a. Rep. of Panama ~}.Clay Products Co.. Inc.) .'.~;/.A':rIc12X2,JeHffeerrshoenrt A. (R I) Park Dr. :~~~: Huntingt0.ll.; \Y. \a. ..;"~n;i.(,BSEaNrNbEo,ursCnlla1uedeCl~aly. ~HI(. 15J) Co.) .'~''\:}Z:ote de I'El(lise Boischatel. Co. .\ " . ontrnorenc\', Que .. Canada " ,(:Citadel Bri'ck Ltd.) ):~lJARDINS, Grel(ory T. (R) ';.:~",!- ,~Foster, Ky. ~;.''::::(WbeatMone Corp) AMORE, Walter A. (S) rium Reduction Corp. uth Charleston 3, W. Va. VORST. F. B. M. .~. c!let Zonnehuis. Terhorg. Holland ;:;;'~:~'~'(Xoninklijke Fahrieken Diepenbrock & .'::~:.Reigers N. V.) .~.J()L. 33, No. 10 (19.')4) t::::.ri.. "'r{\' " DEUTSCHE GLASTECHNISCHE GESELLSCHAFT ,H. 1Ilaurach) l'ntermainkai 12 F1'ankfurt A. ~l., Germany DEUTSCHE KERAMISCHE GESELLSCHAFT (~lr. Knauf) Poppel;dorferallee 15 Bonn, Germany DEl:TSCH ER, Jerome S. (S I) H5 \\'est Buist, Phoenix, Ariz. (Phoenix Brick Yard) de VASCO~CELLOS, ;\ntonio Ceramica ~lartina S/ .\ Rua Luiz :-Iartini, 'sIn 0 :-Iog-i Guacu DeVILBISS CO. IE F. Frl'Y I Sao I'aulo. Brazil Toledo I. Ohio DeVOE, Charles F. IG) 38 \Y. Fourth St .. Corning, X. Y. ICorning Glass \\'orks) DE\'OL, Lee I G) 252~ Shroyer R,I., Dayton 9, Ohio (Wright .\ir Development Center) DEWEY, B. F. (\\,) ~2 Summit St., LeRoy, !\. Y. (Lapp Insulator Co.) DEXHEDIER. E. C. (E) 917 Country Club Drive St. Louis 21. ~lo. DIAMOND ALKALI CO. (L. T. Welshans) Painesville, Ohio DIAMOXD, Grant S. (RFI) Electro Refractories & Abrasives Corp. 34~ Delaware Ave., Buffalo 2, N. Y. DICK, Clarence H. (G) Gordon St., !\atrona Heights, Pa. (Pittsburgh Plate Glass Co.) DICKA.S, Charles H. (E) 152~ Sunset Rd., Chattanooga, Tenn. (Samuel Stamping & Enameling Co.) DICKE:\S, H. A. Kilsen Porcelains (Aust.) Pty. Ltd. 221 Separation St. Korthcote, Victoria, Australia DICKEY, Herbert R. (S) 26 Rel(ent St. St. Thomas. Ont.. Canada ICanada Vitrified Products, Ltd.) DICKEY. John ~\ .. Jr. (SI) \\'indy Knoll, Brookville, Pa. IHanley Co.) DIE)\ER. LelmanI \Y. (5) Cuthbert & Park ......\e. Collingswood. X. J. (Diener Brick Co.) DIETERT. Harry \Y. IR) 9330 Roselawn .\\e., Detroit 4, Mich. IHarry \Y. Dietert Co.) DIETRICH, Waldemar F. (R) 3137 ~ Street. !\. W. Washington 7. D. C. (e. S. Bureau of Mines) DIETTERLE, Edwin \\'. (WI) 38H ~Ionteith Dr. Los .\ngeles ~3. Calif. (Ferro Corp.) DIETZEL. Adolf MaxPlanck-lnstitut fur Silikatforschung. \\'urzburg. Germany Keunerplatz 2 DILLARD. \Yilliam F., Jr. (S) ~Ierry Bros. Brick & Tile Co. AUl(usta, Ga. DILLEXDER, Richard D .. Jr. 105 ~I unro St.. R. R. 3 Hixson, Tenn . DILLl.\RD. Paul D. (8) 1~13 E. Wheeling St., Lancaster, Ohio (Anchor Hocking Glass Corp.) DILLl:\GHA~1. Robert P. (W) 2207 Cheyenne St.. Golden, Colo. (Coors Porcelain Co.) DILLOX. C. L (G) Latchford ~Iarhle Glass Co. Box i1707. Los Angeles 1. Calif. D1LLO~, Zale 1\\') iU Pinckney Rd.. Red Bank, X. J . I :\tlantic Tile :'oHI(. Co.) DDI~llCK, Henry ~l. <,G) 2~9 S. 11ain St.. Butler, Pa. I Dimmick Associates) D1XGLEDIXE, H. F. (5) Xational Sewer Pipe Ltd. 330 \\' entworth St., X. Hamilton, Ont .. Canada DJ K GLER. Edward L.. Jr. IR ) Box 363, Birmingham, :-lich. (Carborundum Co.) DIXG\\'.\LL. Andrew IC;) 325 Spring St.. X~w Yvrk 13. X. Y. (Consulting Seientist I DIX(;\\,:\LL, Andre\\' l;. F. IGJ\ 588 Gru\'e St .. l'pper :-lontl"1air. X. J. I R C .\ \'ietor', DIPPELL, L. Y. IRI 17 Second .\n .. Tiffin 9, Ohio (Sterling .\hra,i\ es Di\ .. Cle\'eland Qua rrie, Co.) DJRATS. Eh""n 1 BI 190 \Yest~rn Circle, \\c,ttidd. ~las;. 1]. Dirat, & Co., Inc.) DIRKSE", A. J. (G) American Potash & Chemical Corp. 122 E. ~2nd St .. :\ew York 17. ~. Y. DJSTlLLATOR. Philip R. (W) Jackson Vitrified China Co. 2 \\.' est St.. Pelham ~Ianor 65. X. Y. DITHRIDGE, Edward H. (E) 60 Bedford St. Pert Hope, Ont., Canada (Port Hope Sanitary Mfg. Co., Ltd.) DIXO]\', Anna Lane (D) 815 :\. Fourth St.. Burlington. Iowa DIXOX, Gene (R) Kyanite Mining Corp.. Cullen. Va. DIXON, JOSEPH. CRUCIBLE CO. (W. R. Wyckoff) 167 Wayne St. Jersey City 3, N. J. DLUGOZIMA, W. R. (WI) R. R. 19, South View Dr, East Linrpool, Ohio (Patterson Foundry & ~Iachine Co.) DODD, Charles M. (RFJ) Dept. of Ceramic Engineering Iowa State Collel(e, Ames, la. DODGE, Alfred W. (G) HazelAtlas Glass Co.. 126 :-Iarket St. Zanes\'ille, Ohio DODSOX. W. E. (R) Fire Brick Sen'ice & Supply 900 E. 72nd St .. Cleveland 3. Ohio DOLL, Charb E. (W) ~tount Clemens Pottery Co. ~Iount Clemens. ~lich. DOLPH. James L. (E) R. R. :l. Darlington Rd. Beaver Falls. Pa. (IngramRichardson Mfg. Co.) DOMINION MINERALS DIV., RIVERTON LIME & STONE CO .. INC. (v. V. 'Kelsey) Piney Ri\'er. Va. DO:'<:AHEY, John W. (GI) Waynesborough Rd., Paoli. Pa. (Foote Mineral Co.) DO:\E:\". 1. Consolidated Glass \\.'orks Ltd. Box 562, Germiston Transvaal. South Africa DOKEY, Louis ~L (G) R. R. I. Powell. Tenn. (Oak Ridl(e Xational Lah.1 DO!\:\El\WIRTH. A. L. (RI I Carborundum Co.. Falconer, X. Y. DORA, Joseph C. (E1) 32~6 West 62nd PI.. Chical(o, Ill. (Crane Co.) DORA~, Robert F. (GI) Svlvania Electric Pro,lucts. Inc. C~ttage PI.. 11ineola, :\. Y. DORE, Jame; E. (RJ) 2518 W. Euclid, Spokane 13. Wash. (Kaiser Aluminum & Chemical Corp.) DORF, Arthur L. 249 S. PUlo(h St., State College, Pa JI RO!'TER 17 ------------- ....~. DORN, Alvah J. (G) '141 Wall St .. Corning. ~. Y. (Coming Glass Works) DORN, G. 1'\eal (51) "1015 Kemp Ave.. Ironton, Ohio . Carlyle Tile Co.) ACH, W. E. (RI Miguel Ave., Coronado 18, Calif. i IY, Andrew W. (Gl '205 Bowers Dr .. Horseheads. X. Y. (Corning Glass Works) DORSETT, O..\. (\,,) Knox Porcelain Corp.. Knox\ille. Tenn. DORSEY, Baird L. (RI 300 Walnut Rd .. Pittshurgh 2. Pa. ...(Jones & Laughlin Steel Corp.) DORSEY, John J. (WJI) 385 Good Ave., Indianapolis 19. Ind. (P. R. Mallory & Co.. Inc.) DOTY, Henry S. (Rl ..... ,':Commercialores Inc. - :''3f)Cortlandt St.. ~ew York 7. X. Y. DOUGHERTY, Leon A. (Wl ,;/,::.370 North St.. Sun Prairie. Wisc. ..~.i-(Wisconsin Porcelain Co.) DOUGHERTY, Sylvester J. (R) .\'.t~Mdallurgical Dept. ..'~~eirton Steel Co.. Weirton, W. Va. RTY, W. E. (~IF) Barr Ave.. Pittsburgh 5, Pa. ommel Co.) S, Edward A. (El) fgin St. .:Newton 65, Mass. ___ nger Corp.) -----. .' S. JOHN. CO. (A. ]. Raible) : Dati 16, Ohio S, R. W. of Glass Technology ton," Hallam Gate Rd. Id 10, England S, Richmond "w Firebrick Co., Ltd. ," ,Ayrshire. Scotland NG, Robert F. (G) " h & Lomb Optical Co. aking Dept., 635 St. Paul St. ". ester, 1'\. Y. 'NG, G. ~. glon's Tiles (SA) (Pty.) Ltd. 70, Meyerton' vaal, South Africa Arthur D. (5) Ycraft Co., Box 866 , bus 16, Ohio .M. Ellis (D). , fed University, Alfred, N. Y. i'Mary (X) . '. Case Co., 21 East 'St. Attleboro, Mass. NFELD, B. F. &: Cpo .' ]. Courtney) 45-47 Park PI. . York 7, N. Y. , Harry C. (X) 30 Maplewood Dr., Euclid 17, Ohio rshaw Chemical Co.) ENS GLASSVERK r Tanherg) Drammen, Norwa)' . R, Perry E. (W) field Sanitary Pottery, Inc. . .~sville, Ohio SSLER, Philip (~FI) windell-Dressler Corp., Box 1888 ittsburgh 30, Pa. LING, Lewis J. (R) Milltown Rd., Milltown, N. ]. ley Co., Inc.) ARD, W. J. (WI) ........ ansfield Sanitary Pottery, Inc. ,.;{:;-~~J'errysvil1e, Ohio . ER, ]ulius fabriken Bayer gesellschaft me1d.Uerdingen, (22a) Deutschland .> .__ . MOND, W. W. (G) 5504 Midmoor, Madison 4, Wisc. ;~Si:i. (Bjorksten Research Laboratories) ;'-:"'.~'\ , 33, No, 10 (1954) DuBOIS. H. B. (MFI) Consolidated Feldspar Dept. .International ~linerals & Chemical Corp. Erwin. Tenn. DuBOIS. Harold V. (W., 414; 159th, Lawndale, Calif. (Vernon Kilns I Dl'BOVICK, Walter .-\. (R) Engineered Precision Casting Co. Box 68. ~Iatawan, X. J. DuBOVY. ~!artin P. (El 1109 E. WashingtOn St. Frankfort. Ind. (IngramRichardson Co.) DUCHE, Frederic Compagnie Generale d'ElectroCeramique 12 rue de 1a Baume. Paris 8, France DUCKWORTH, Winston (BI) Battelle ~!emorial Institute 505 King Ave., Columbus I, Ohio Dl'DDIXG. B. P. International Commission on Glass Research Laboratories General Electric Co., Ltd. Wembley. Middlesex, England DVEVEL, Charles 0., Jr. (G) American Thermos Bottle Co. Norwich, Conn. DUFF, R. D. (G) 4318 Commonwealth, Toledo, Ohio (Owens-Illinois Glass Co.) DUFFY. J. P. (S) Stillwater' Clay Products Co. Lock Drawer 32, Uhrichsville, Ohio DUFOUR, Jean Leonard Ceramica Sanitaria Porcelite Rua Itatinga 291, Caixa Postal 3845 Sao Paulo, Brazil DU FRESN'E, Robert S. 1950 15th N., Seattle 2, Wash. DUGAN. Robert T. .Box 1844, Midland, Texas DUGAN, Stayner A. (S) Box 1844, Midland, Texas (Dugan Brothers) DllGGAN, J. J. (G) Walsh Refractories Corp. 101 Ferry St., St. Louis 7, Mo. DVHRSSEN', Alfred (D) Commercial Decal, Inc. East Liverpool, Ohio DUKE, John J. (W) Box 33, Saxonburg, Pa. (DuCo Ceramics Co.) DULBERG, Irving (R) 254 N. Allegheny St., Bellefonte. Pa. (J. H. France Refractories Co.) DULIN, Francis H. 7728 Westmoreland Dr., Sarasota, Fla. DUNBECK, Norman J. (R) International Minerals & Chemical Corp. 20 N. Wacker Dr., Chicago 6, Ill. DUNCAN, Beverly W, (R) Alloy Precision Castings Co. E. 45th St. & Hamilton Ave. Cleveland 12, Ohio DUNCAN, ]. Earle (G) Pittsburgh Plate Glass Co. Research Lab.. Creighton, Pa. DUNCAN, Russell F. (E) 209 Franklin Dr., Berea, Ohio (Ferro Corp.) DUNCOMBE, George H., Jr. (SF) 150 E. Frambes Ave., Columbus I, Ohio (Kelley Island Lime &: Transport Co.) DUNGAN, Robert (BJI) 19 O'Connor Ave., Hornell, N. Y. DUNN, H. E. (R) Suite 206, 300 Mt. Lebanon Blvd, Pittsburgh 34, Pa. (Vanadium Corp. of America) DUNNICAN, Ward G. (G) 277 E. Seventh St. Clifton, N. ]. (Becton, Dickinson &: Co.) DUPLI1'\, V. J., Jr. (Bl 300 1\orth Ave., Fanwood, 1\. J. (Babcock & Wilcox Co.) du PONT. E. I. de NEMOURS & CO., INC. (John ~L Olsen) Electrochemicals Dept. Wilmington 98. Del. Dl'RHA~I, Carl T. (B) 28 Gabl Terrace, Reading, Ohio (General Electric Co.) Dl'RST, William A. (X) 209 Madison St.. St. Marys. Pa. (Stackpole Carbon Co.) Dl'\\'EZ, Pol (B) California Inst. of Technolog~' Pasadena. Calif. DYXES. :'lan-in W. (Gl Van Dyne Quartz \Yorks Box 380, R. R. r. St. Charles, Ill. DYRE, Warren T. (EI 31; Estaugh :\\'1'., Haddonfield, X. J. (l'ni\'ersalRundle Corp.) E E.\GLE, J. Eugene (MFI) 3202 McShane Way, Baltimorc 22, M,l. (Pemco Corp.) EAGLE-PICHER CO. (D. R. Carter) American Bldg., Cincinnati I, Ohio EARHART, William H. (W) RCA Victor, Engineering Dept. S. Adams St., Marion, Ind. EARL, Fred C. Box 84, Broadalbin, N. Y . EARL, J. Alfred (M) 1621 S. El Molino St., Alhambra, Calif. (1.. H. Butcher Co.) EAST, Walter H. (R) 1810 Tamerlane Dr., Glendale 8, Calif. (G. S. Marshall Co.) EASTER, George ]. (RFI) Electro Refractories &: Abrasives Corp. Willett Rd., Buffalo 19, N. Y. EBERSOLE, Robert A. (R) Chisholm, Boyd & White Co. 610 W. 57th St., Chicago 21, Ill. ECK, Bernard ]. (RJ) 8010 S. Michigan, Chicago, III. (United States Steel Corp.) ECKEL, Albert R. (R) Commercialores, Inc., Clover, S. C. ECKEL, Harold A. Trinidad Clay Products. Ltd. 44, South Quay, Port of Spain Trinidad, B. W. 1. ECKLEY, J. R. (R) Aluminum Co. of America 1501 Alcoa Bldg., Pittsburgh 19, Pa. ECONOMOS, Georg~ Massachusetts Institute of Technology 77 Massachusetts Ave. Cambridge 39, Mass. EDDY, Paul W. 2000 Shirley St., S. W., Atlanta, Ga. EDGAR, Allen C. (W) Edgar Plastic Kaolin Co., Edgar, Fla. EDGAR, Clement B. (R) M. H. Detrick Co., 1620 Oliver Bldg. Pittsburgh 22, Pa. EDLIN, Vernon (B) 6731 Paxton Ave., Chicago 49, III. (Armour Research Foundation) EDWARDS, F. M. (W) Porcelain Products, Inc., Carey, Ohio EDWARDS, ]. B. (5) 2220 Shorecrest Dr., Box 13226 Dallas 20, Texas (Reliance Clay Products Co.) EDWARDS, Russell K. (R) Illinois Institute of Technology Technology Center, Chicago 16, Ill. EDWARDS, William R. (WI) 11926 S. Saginaw Rd. Grand Blanc, Mich. (AC Spark Plug Div., General Motors Corp.) ROSTER 19 i, - - - - - - - - - -__,JI :!~I\TU:\ I :t\\-ol1 1\\ BL]; Tl-it'l'h('~ll l.d:';'. illl' .\I\l"r~, ]-1,;1. .'\ .1. ,,;I.!>TII'\. \1\,."", .', ,\\1, Bl'lJi~lh. ~11dl l Eg.l.Zk~t!lll '"j'111: \' .. :":11 .. - b\(. IS, B\:d":ll!~h;lln I, k~ Rl\t:r j". u:: (Clt-\t];ltld l:tjildL':'~ ~"'jl'ld~ ;il.ER~. (, \ld:"n 1\\ 54 U~k Jlill 1.;111" Snnth t)anhll'''l.l!h \1., ." I.lt. I (:\tr\I\"I'\. Cl'rjl. I ,.11\1.\:\. R,,~ ,; ",;, t)(HI ~ :\i1l'!' :': .. ::: .. t {,1,l1q,:t. I':l. t( 1\'l1n"~ h:llli;: .'t:l.:c Ili\'t'f:-It.\ I ; !lE, ,\1\'111 ,_, 'F' .-\I1ll'ril':i1l lillt' :--:';l:t ~ ,'t,_ 1:",\ ,:;~7 Ct'!lt1lJhH" 11" 11111' ::f:'E" . .r"hn I:. ,I" Bo.'\ ~~. \\:I:lrl"1'_ \\ : .. l f B]llrk:-tt'T1 Ht .. t.li,:; ~.a1\.... lIll'. i:'SE"BERI;. \1"r\1I1 i<ll :\rUWUf Rt'-':t'.lrdl 1 \":l1dati1l11 Techll(lhl"-':- CCliOt'" \ hil;I~., 11,. Ill. :,:I,'["I1I::R\.;, \1"\1'" '\ I 2~.L! 3~lh ~L Lon" 1,lan,\ (it\ " :\ Y t .-\rchitt'clural T11111i..'" Cu. t i:ITEL, \\'ilhdm I B11 Dir. of In:'!. (If ~iiicatl' l{l'...t:arrh Uni\"er:-.it," (If Tided . Tldld(l fl, ()h1l1 EKD.\HL. \\:. (;ra",I"" ,(;1 ]ohn>-:-bl1\ illt . R,,,'a,.eh ("''':1'1 Manville. " I, EKHOUI. L. I; -I Rl' 2143 Con~titllti(\n Bh {I Boston, ~l(''Kl'l'''i,tln. Pa. (CnitetI Stall .... ~:et'l (PTJ! I ELDER. J. C I \\. I Roben:-'lIll ~I{I: CII_, HII~. ~q~ Trenton ,. :\ 1 ELECTRIC AUTOLITE CO .. _ ARK PLUG DIV. 1H"berl T"d].1 ;RgIR~~~;2T~~~~S& ABRASIVES CORP. I Grant ~. I >\;11111-:;'; I 3-+-+ Dt!;l\\:lfl .\\c Huff:dll J .\ Y EL]ER CO .. E",,,,,"' \'.art' ll1\ {L . .\, l:atl'I1\:ll'l' ~:tll,:11l, ('hiP ELL.\RD. Ear!t- R. ,R I 3-+~ CllTltllll .\\t:. Tilt"m. Ohio i Ba..;,il' Refr:II.'t{,rit~ hll \ LLEF::;(),\. I:.:' ',,' Syl\"<lllla Flvl'~ rll I'!". ,dun.... Inc 20R_2i1 \\'i1il'I. 1'''lll1 1:1<01 Bay~idt. l.lllI~ 1.. 1:11;'1. .\. Y '-:LLlOTT..\,,,,,_ 1 "I ' Cllyc:rnl \\';U.":"l1 l~:.~'lh Clo\ndalt-. I-alii, ;:I.LIOTT, CI.I1,,!t- 1'r"I:]..lin R.R ,;. F:l.L!OTT, (1;t:""",.~1, ".', 1I1''''!<-'''''". :\ -+2 Bawtn" l{oad. El' ...... alarr Doll("3o ..;,tl..;, EIl~b::.l (Brie].. \1:<r].."1il1~ I'". 1.,,1 , r:I.I,I~, \\'11,,," II .\1, I.aml> Cia ...... (ll .. \t"llllt \"'-'1"111'11. Ohi" 1.LIso,\, 1I"I1l"\' \\. ,1;, ]t1(1 E. Thir,\~' \ '''f1llIlg \" Y. (C(,rnilll.:: I ;1:1~ .. \\ . rk:--I .I.I.I~( '.'\. 1,. \\'. [i', 1331 E, l.n1l1:t \;",:l 1)1" :\ltadtn;1. ('"Ii i _ IC1;tddill:.::. \!I.. l;,:.'; ~ ('(f I LI.:-IER. !:tek T ,,:, r.1-l3Fl-t" Leur:\ \ :~:t . I H:-:: (;atp", F (Kai ...tr.\ iU;llil: ~ Chnl1il':d I.\IEI-:, Th,,":.,,- " : I~ I ~l(j F lI;~h:--- j'alllkd l'" .. t. '\ cnrllifn: Ida...:'" \\, "'1.: ... l lOA, Ht'rllar<!" \ \\ 1 :\t'artadl' 3(~1l. \1 . :,":-1',"\. '" 1 .. IL"lrill,'Y'" \1,,:,:,. '" \' :c1.~T()\ 1-.:, :lL \',' H;l\', ~h"'ll" "', :-;.\ I ',:0\ :\' (l!" ;:::, :\". ill : :!. Y. \\'ill1;I::; l-~. 11~) J'lTt",llun:l: IIl:Lle 1.;Ja ..:- l.'l'. 1 I ~ale\' ::\ l"t:lltt"r l'itt ...!IUfL'h .\1\:\1'1-:1..'1-: I' I';' ' ll~(. .\nll..:.tnl.:": \."j,rh: \.'0, kl--t;tr,'h :.... lk\lll'l'",nvllt '-,IIlt-f l.all' :l ... tv- I 'a E\l III~Fr-.~ I)(,n:,II! I ~ I 1I (\;. Fi~::'h \ \ t .. I :r;h:l...l'llr;d~l. el'I'!~' .. h;:-'..'h flb!l lIb ...... I :\ll~(}.'\. \1. 11lr .. hl1 1.1;1 {"'rt~il~~ 1 r\:t ...... \\l,rk .. ] ':\ ,I,Iha,.k,,,: I)i, \.:},ad""i, I'a. F\II.FY, \\',:::,,,1\ :'. I \\ \1:,i:'.':'; 1."::1, I, " I' ;'\ t' \ \ (- : ~ -: ; t . l ! ~IWIl;L:"~\' (hilla. Inc) :\I\IU,II'H, I.il'nat" 1(;' 1't'!l1>:- j, :l:":i" :-'t:llt' l'lli, l't .. i!~ :'.t illt'!":t: ] ;..\n .. t r1l"': I, ill\':\r~ ~::ttl ~ l,:~t"~l'. 1,.~ E\I\IF1Ii.I:\',. ],,011>1, \\. ,\\ I l' ~ (.It:arr~' Tlk lI'. E;l...:t ~l':i~-ta. (lhi" : \ 1I, j( '11. \ !kIl II 1,')11 l-"r:171klill \\\.... ('{,lnTllhtl~ ,. Uhi" 1':\1 R I CIl J::'1I'r-"Il \\ 1\1\' 1\ T \ :1'11:l"rillll 1.:1I1.,rau 1rit ... Ea~: \l\\;dk. ('HUlI I-: \ II, i(' II. "",.,,1,j \ \ I ~ I , 1').!; ril1leT: ('pun, Ikl1\t.T ~I\ (toll, { Del1\ lr ~n\t.'r Pipt., ~ Cla~ (:0 I E" gEl\! '. \.h1';-I,'1' Tt"t!cllabllr:ltorict ~ nril'k Lal)or;:tt~r,\ I l)fottlll:":L: Kri .. ti!la..; \ a~ -t:; :-'tf,ckbplrn n. ~\, l,tkn I:"I;EI.. JIlan .1 R. t-:L.. illa ('orrl"l ~3q-t Btlel1p....\ i;-l ...... \ rg-elli 111a I :-letaltlll1 :'.R.L. 1 1':'\t;El.. R"!1I' 'HI I~o:\, 1 -1-:-:, ~ltnih l'a .. :u!l'll~l. Calii I ('(In''ultltlt: Ellgillt't'f 1 1:"L1.ERT, \\'il1ill'".1 II;' \!:-tilll!"\ ilk. l'a I l'lt!~k:;~h Platt' (;la..; ... Cu I ENGLISH CHINA CLAYS SALES CORP. .'51 Fii~l, .\"'. \1''' y",.k l~ '\ \' . '\ Ill' ~, II ;",- (;"-111 \ktitll"~:\:':t': \!;tbnbkll'" Tn.!I..,jhrtl 1, 1:ri(~IIl:i:.[-~:~t;lll _';" ~ttll'kllll'11I 3. ~\\t'dl'1l :.'\1.0E :-'rr,,,,!' \\ 1\11 1Jil]-I",:, , " l 11 an L' t -1:\.' t'( '. I :\I.'li: :-""""1' \\ .1,..1\\'1 :--:'!lflH t" 1'111l. ~ l- ( ILl r:j ~ l '1:\~ l '( '. \ .:\,)(.t! ,","rlt-. R ,RI ;- --+-13 [)"l''\l'1 Hrtll,k 1>r. I)n'.,: lIill. I'll. (Ht-'tr;lr~('r.\ :,ptCi'a!t;l'" CI' I :1'~TE1'\. E,;"a,.d, .11'. 1\\1 ";~ I ~ j ,;tll ~l. ~ll)riJ1g:, ()1Jitl FR \RI). Edward I t ~ I "idril' :\l'111nJ, ::. ..\ I'rll)tli':.[;!l'll>1l (';dlv d\.. l:t RtJ .. a \1' I, \:/C;tl,r,~/:tll'(l. I). 1". :\It,,il'tl :1,11'1-:,"1\ \ ,\lln',1 'Ll s--+ 1't>I11I1 ... ~t t'rl1-llill~, '\. Y. f ("'iT1:'l {');l-" \\ .,rh: ... I . k I ('J-::'i '.\, \11, 11.1 ((, I --+~--+i ,:'~lh \\l \.1': ~(d~li. \\"a ..ll. I \. ;~:l\il-:l'i'l1 (~I:I"- Ct, \ ERIE RESISTOR CORP. I l'atl: I: ~il"l!:~i .. t I i,.j.j \\ l..'11i:'1 hil'. I'" :I,:\-':T, \1"lh \1, II) I 1:0\ .; ~ 1. I..: I":. -I t.' '\ l Ltll' I. i )hil I '1~ '<~T. \\';l1'~ 1 ~ ,I~: _, _ !~ 1"11:11 \\t l"\.lH"\11k Tl'lll1. I \"'~:1"HT1 I'Prt1.l11d \-tllll111 l 'l,\,rT1' !):I',id .1. (\J) ~, 11: ... \1, ,;: lHh I! un: I'., r'l' I ',t. I.::' c' 1'.1 I-:RY],\. Frallci- L ,\11 t:~1111 :-:.l111 .... lh \\'hlll" g(lfl' \1 .. 1-.:""-1''':'1 I';l. (The Ik;'l~"n E!1t.:illl"t.ri!~~ (_ f'. I I-:RY 1'\. 1 ,\1\' .1 r I j;, Rt'''l':lfl'h \":dll':att~r~. \.,nl'l1 (_'r, \\" Ilf,( .. kr. ~,I:l"''''', I-:I":\\'i:-:. l.n I, ,E I _'ll'l ~ ~t1:''''t..': j'j. \ltl~lr.,\i;.. t .d:i l.\fil]i:\ltd 1 1:\_ LjllipT1lt'llt. 111,-' 1 .IOT'\.!'<-'''']..' ,I-:, Illl-+ III';::' T:-:111. ~1t'rLI :\l:l,irt :d;t". I ~t..'1l1 ('l':'!' I ..'(\'\1)(1'\. \1:,J:11l1 F ,\\', II1 .. tl~tH" \11..~'\I':allt' dl' 1;:\t ... ~l.'-':~\,;I'~'l" Tn'Jll.]I,!..'i\',~~ ! .t'~;lri:\ r,""':' \ll:\' iCl' ) I I. I). I" .~IIIl.'\ HI'R" R,,),,-rt I.. II FIl,rt-\il:t" rv'\a ... i::";'I'EI\:-:'F.\ K,.l1' 11'.\11It':..::\,'~ ~~ , I!.~"'\ ;itTk f II :1l1l-( 1[':'l:1', I h'llllL:lrk E:'~l.l.:-'TY.'\. \\,:I:,rd '. " , , 1\.1-\ 1. (;~l.!:l-ht1n!. l'a, l ,\";\ .... lJill~'.";l TlIld and :\1 a 1..'11 1l1l \ 'r' I >~TF~, .I\,t"j.h F I \\. ~ JLll..~Tr j'll;;\.rit... Inc ~ ~1:!i It-': L;t'll. Ih11ldt't'. Ill. 'TIIERFh;J: "Ii_ I' ,\\', I"l ,:\, .2.: ~. (;. 'r, 1\ '11. l ,;\ ( :-'lll1t hen; ~ 'l:t~ ... Ille I ITI1 \.'\K. \\'i111"111 R. I H I I~. l\ J. nil:\' ,)i, }{i\t'f Fall ... \\'j"L (:\lillm."tl~a :\liTlltlg ~ ~lig. l-c, \ .1B.\'\I':'. \]icc'" t; 11:' 1iJ.~II~ ~tl:l:l ('''11rt, ~l'n""ltlgt{\ll. \\ d. I \"atillnaJ Bl1reau (II ~tal1(br,t... ~ EUREKA FLINT & SPAR CO. I Ri,.],"rd \\'. Thw!,!, I J.1 110 \\. ~t:dt" ~t .. Tn:ntllil ~. :\' I':I':,,\I-:R, Ll"r~e R. ,R I 10.25 ~11~1ln1j:: ~t. ~ld..:et .. IIt'rt. 1':1 It' ~ .':n'! l.'lIfll I EVANS CASE CO, 1.\lin'd F Reilh, :'r I 21 E~'1 :'1 .\'p:th .\tt;llll'T!'. ),1 a"'",. I:Y \,,:' ('l1arl,- I,:. 1 \11 2--1.01 ~t'1"~;\:.[illl Ill' (t~hllll))t1... \1. llil:(, I Tit:lIIilll'l \i1Il\ ~1 il! 1);\ :'\at;t1llal I.l:to! I'll I 1,:\ \:\~, 1);It'itlll\\l';~ I';) Ifillerl"':l oS: 1.1l1dt'l1 \\l .. ~l;l\dl'\it.'\\ l'lIarlt'f\li. I 'a t Cl,n;il1;'" t ;b~ .. \\ tlrk ... i E\ \ ,,\:, i,:'1,.'. ",.,J I \\ ...111 T,:l ]'1:111..' ~ \I t ,t;l1 :-'1,111\1';11:"; ('" l.1:!Ilt'l1~. 1-:t'Il1;Ir1lll'll .. lIirt Ill' l:r1t:l11' F \' \:\:'. I-.: t:; Y, 1'1 hi':. I \ 1 1 \llil..11 E'::""l!ll'vri:'l! 1)i\ Fl rfl' ell!"!, -tl,;() E 3";[1 ~t, ('It.\ l'1:tlld. ()hill EVANS LEAD CORP. I J.: \1 hall-' I~l" l-!r,~ l-h:I,jt."' :l'11 23 \\". Y:l EVANS PIPE CO. ,T .1 1:\ ::il-, I i II l'hril"11-\ lJk, I )lIil' 1-:\'\'\:'.11 \1. '\11 E\ all, f.t':ItJ ("tl1"p. 1',(\" 1-1f',; ('klrk'it"1 .23. \\. \ a 1:.\ \\~. Hll1.:inl I: I \\ I Irll'lw,j~ l'lJill:l (.'1\. ..'.1..'0 \1":",, \\t' :-',""'11-<' ". '\ Y 1-:\\\::-.1",,-\1 ,~, Illl. I: .\. l' 1l.11111 "":'1. I :1':1/;: Ill'; ( \ rl:ltt~, I 'l.':',!l\lic I Ilrp. ) F\ \'\c:, .\ lit ,-.:, I':\,\i\~ ['jill (,I. I-Ill ilII'\ ilk, (lill,' \.:\ \.\:-'. \\ ;'i1.t1l1 (I (;l'I'. I. \-]"\Ilnh ~ BTll,,", .. l.td. lir",l'] :-::~".\I \\ l~rk, Ih!l1t \. :--'"k{"('ll Trl':11. '11~1:111rl i:\ \'\~ \'", \\ ,1\11 S(lr, I: .1;"'1' \\l' ] )ll\lr. 1 111 til 11,(\11,::'''1' t "::1: 1'1"111\111..'1 ('/'. r ,\ 1.1'1 I \ In I) I ~ 1-'1 I I \':""1'llt";:1~ l~,1,,"'!n'l'1:: ~:,l~l"'1 ..(1111" ....... '[ \ 'nl\ t" -i' \ :.?l 5 tS4!A I ,. EVERSOLE, \Y. G. (R) Linde Air Products Co. E. Park Dr. & Woodward :he. Tonawanda, X. Y. EWALD, Merwin R. (G) Toledo Engineering Co., Inc. I Syh'ania Ave., 87, Sta. H., Toledo 13, Ohio E , Robert F. (\\') ansfield Sanitary Pollery Perf)S\ille. Ohio EXOLON CO. (Han'ey J. Robillard) Tonawanda. X. Y. E'YERLY, George B. (R) 3813 X. Humholdt :he.. Apt. 4 Milwaukee, \\'i,c. (Allen Bradley Co. I F FABIAXIC William L. (RFI) 1831 SeminaC" ,,"'e.. Alton, Ill. (Lac1ede-Chri~t\ Co.) FABRICA de LADRILLOS INDUSTRIALES. y REFRACTARIOS, S. A. (Sah'ador Odriozola Gomez) Apartado 390, ~Ionterrey. N. L., Mexico FABRICA de PORCELANA da . " VISTA ALEGRE LDA. . ' ".Largo do Barao de Quintela No.3 ;:r'Lisbon, Portultal FACKLER, Ernst G. .'<.:,:";,t::'Apartado Aereo 6108 Bogota, Colombia ;;;;-'. (Vidrio S. A.) :fACKT, George P. (SF) Y,.'408 Paseo del Mar. Box 878 ';i~~\}>alOs Verde~ Estates, Calif. .;:,.'r...:.(Reclondo Tile Co., Ltd.) :f~I?ANELLI. Louis H. <.:,c: 1132 S. California Ave., Chicago, Ill. .?AGEN, Barney (M) ~~Vf:;II1ini Ceramic Service, Inc. : . : :3.-169 \\'. Illinois St, ... 'cago 10. Ill. ..'. XBRl'CK. William O. (GI) :t,:. .R. I. Box 'IS. Tiffin, Ohio .~.:"(Sterlin!t Grinding Wheel Co.) FAILMEZGER. Howarcl (WFI) Victor Insul ators. Inc. Victor. X. Y. ,FAIN. CharII''' C. 789 Glenclalyn Ave .. Spartanburg, S. C. FAIRCHILD. Charles O. (B) Chain Bridge Rd .. Fairfax, R. R. 3, Va. . '. (U. S. GO\'ernmen~) .}l'AIRFACTS CO. (]. Ryan Smith) ::: :'.' Fairfacts St .. Trenton 8. N. J. FALCONER. Donald P. (R) '. - 1018 Maple .~ve., E\anston. Ill. ': (Sales Engineer) FALLON. Frank J. (WI) '. ":' B. G. Corp.. Ridgefield. N. J. ;!ALTER, Arthur H. (G) :::,'" 8635 Jacob Pl.. Xiagara Falls, N. Y. ': t.. (Carhorundum Co.) 'FANDERLIK. ~Iilota /'-. Nerlldo\'a I0 Hradec Kralo\e. Czechoslovakia :FARBER. Louis G. (0)) Ceramics .\[ol1l/,/S, 3494 X. High St. Columbus 14, Ohio FARGO. Jan'is .I- (Gl 140 Centerway. Corning. N. Y. (Corning Glass Works) 'FARKAS, Howard (~I) .~".~.' United States Stoneware Co. ':I.,.;' .. 60 E. 42nd St., Xl'\\' York, N. Y. :fARLEY, Eldon .' 336 S. Fifth St .. San Jose, Calif. F :.~ , Archie E. (E) Hommel Co., Box 475 .:<" ttsburgh 30, Pa. :'f ROW, Lewis C. (E) '.. R.R. I. Clyde, Ohio (Whirlpool Corp., Clyde Porcelain Steel Di\.1 FASOLD. G. A. IE) 7329 Bernard .-\ \e., Cincinnati.> I. Ohio (Philip Care)' ~Ifg. Co.) F.~tLKXER, Karl B. (Rl Corning Glass \\'orks, Corning, X. Y. FAL'ST, Erne"t H., Jr. .(RIJ 3129 \\'hitne\' Ave .. ~It. Carmel. Conn. (,~merican Refractori~" and Crucible Corp.) F.~L'ST. George T. (GJ 0007 Capitol View An. Silver Spring, ~Id. I U. S. Geological SUf\'e)') F.\ Y. \Yame X. (Rl) Gener'al Ref ractorie" Co. 202 Oxford Hill Lane, Ha\'erto\\ n, Pa. FE:\GIX, R. C. I B) Austenal Laboratorie". Inc. 224 E. J'ith St., Xe\\ York. X. Y. FEDERAL GLASS CO, I Henr)' H. B1au) 5'15 E. Inni, .\\~. Columbu" 7. Ohio FEDERAL SEABOARD TERRA COTTA CORP. (0. E. ~Iathia,,~n) Perth .-\mbo)', X. J. FEDOCK, ~I ichael P. I R) 163 \\'oocllawn ..he .. X. \\'. Canton S, Ohio IRepublic Steel Corp.) FEIXBLOO~1. David T . Box 65.1, .'\lfred. X. Y. FELD. Philip Box 10.N...\1 fred. X. Y. FELKER. Erne"t (\\') 2109 Tolo"a Dr., Dallas, Texas (Ferro Corp.; FELLOWS. R. L. (EFJ) 74S X. Ken"ington .~ve., La Grange, lll. (Century Vitreous Enameling Co.) FELLOWS, Roger L.. Jr. (EJI) 2219 Tabor .-\\e.. Dayton 10, Ohio (Frigidaire Di\ .. General ~I otOf> Corp.) FELS, C. G. IRI) II DeForest Ave. Xorth Plainfield, X. .I- (Fels Refractorie", Inc.) FEXSTER~I.~CHER, John E. (RJ) 1320 Fifth A\e., Worthington. Minn. FEXTOX, \\' alter ~1. (G) Lithium Corp. of .~meriea. Inc. 2560 Rand Tower. ~Iinneapolis 2. ~Iinll. FERDlXAXD. George (W) 711 J Fi"hhurn Ave., Bell, Calif. (Air Pollution Control. Inc.) FERGlSOX. D. Rohert, III (R) Box .168. Xew Cumberland. \V. Va . (Crescent Brick Co.. Inc.) FERGl"SOX. Donald Box 929, Alfred. X. Y. FERGl"SOX, Douglas J. (0) Pigeon Forge Potter)' Pigeon Forg-e. Tenn. FERGl'SOX. Robert F. (G) 1765 Caleb Dr., Zanes\'ille, Ohio (Hazel Atlas Glass Co.) FERGl'SOX. Rohert L. (S) Yankee Hill Brick ~lfg. Co. 72S Stuart Bldg-.. Lincoln 8, Xebr. FERGl"SOX, R. \\'. (\\') General Ceramic" Corp. Kea<be)'. :\. J. FERXAXDO. Hector S. (\\'J) Box 96..-\If reiI. :\. Y. FERR ..\Z. C\'TO B. Rua Vol'ulltario< <Ia Patria 2.505 Ca,a 15, Sao Paulo, Brazil I Ceramica" Reunidas Brazil, S. A.) FERRIS. Harry Philip (B) 20 Birch Dr., Levittown, Pa. (Simond" .-\brasi\e Co.) FERRIS. lame, E. I G) Xiag-ara Alkali Co. 60 E. -I2nd St .. Xew York 17, N, Y. FERRO CORP. (R. A. Weaver) 4150 E. 56th St., Cleveland 5, Ohio FERRO ENGINEERING CO. I \\' alter ~1. Charman , Jr.) 1208 Hanna Bldg., Cleveland IS, Ohio FESLER, Ra)' T. I \\,) A ..-\ ..\. Corp .. Box 815, Gadsden. Ala. FESSLER, .\. H. (\\'FI) Fenton. ~l iell. 1.\ C Spark Plug Diy. General :-'loto", Corp.) FETTER, H. (R) Cia. :-'Iexicana de Refractarios .-\. P. Grl'en. S..-\ .. Hamburgo 51 .-\p,.rtad" I'n"tal 71 Bi,;, :-'Iexico, D. F. FETTERLEY. Cu)' II. (R) Btl"- 2h, Chipllan a. Ont.. Can~Hla (Xocton Cn.) FETZER. (~eorge \\'. ID) 1..~1i5 17th ..h~ .. Columbu" II. Ohio (G~nr.'(~ F~17er Ceramic Supplies) FEYLlX(;. Clau" .\. Eie Stentoiiahrik El!er ... und. :\"on\ a~ FIBERGLAS CANADA, LTD. (I ..hn \l~cRa~1 Box .HIO l;uelpb. Ollt.. Canada FIELD, Th~()dore E. IE) Corhart Rdractorie" Co. 1600 \\'. Lee St.. LouiS\'ille 10, Ky. FIELDS, Ernest IR) 71.16 ~Iarwinette A,ve. St. Loui,; 16, ~Io. (Laclede-Christy Co.) FILIPPI. HUlIo (SF) IIlinoi,; Brick Co. ns X. La Salle St., Room 1718 Chicag-o I. Ill. FILUIORE. Charles L. (W)) Globe-Cnion. Inc. 900 E. Keefe Ave.. :-'1 ilwaukee 1, Wisc. FILREIS. Samuel (R 1 47 -27 215 Place Bay"ide. Long Island, X. Y. (Seaporcel Metals, Inc.) FINDLAY CLAY PRODUCTS CO. (R. S. Craft) Washington. Pa. FI:'\LAY. G. R. (R) 22.1 I \\.aters A\..,. Xi~lIa"a Fall", Ont.. Canada (:\orton Co.) FIXL.~YSEX, John R. School of Ceramics Rutlters l'niversity Xew Brun,,\\ick. :\. J. FIXXEY, Edwin L. (S) Cla\'Craft Co., Shawnee. Ohio FIRESTI XE...\rtlmr G. (G) .1-1 Dewe\' .-\\e., Fairport. X. Y. (B<u"ch &: Lomh Optical Co.) FISCHER, Eu!(ene ..\. (R) 108 Xewwn '\\e., X. \"orcester 5, Mass. ( :\orton Co.) FISCHER, Peter R. Dei,;enhofener Sir. 87 Munich Q. Germany FISCHER. Robert J. (W) 86 Barker Ave .. Eatontown. ~. J. (Sil(na' Corps Engineering Labs.) FISH, E. Thomas (I) 806-16th St.. Kiagara Falls, N. Y. FISHEL, Waite P. (R) Box 12i. Vanderbilt l"nh'ersity X ashville 4. Tenn. FISHER. Eugene A. (W) Electric Auto-Lite Co. Spark Ping Dit., Fostoria. Ohio FISHER. Henry C. (R) !\ orton Co.. I :\ew Bond St. \\. orcester 6, Mass. FISHER. Joseph R. (B) Bell Telephone Labs .. Rm. I A-336 Murray Hill. X. ] . FISHER, William V. (G) Anchor Hocking Glass Corp. Lancaster. Ohio FISHLEY, \\'illiam S. (W) Sparta Ceramic Co. East Sparta. Ohio FISH-SCHURMAN CORP. (~I urrav Ya\\ itz) 70 Portman Rd. Xe\\ R~ch~lle, X. Y. ROSTER 23 - - _........,JI ::"ISK. Henry G. (B) Natural Resources Research Inst. Uni"ersity of \Vyoming. Laramie. Wyo. FITZGERALD ..\Iex E. eRI) General Refractories Co. 1520 Locust St.. Philadelphia 2, Pa. F~R.\LD. J. Vincent (G) Council of .\m. Research Center I of Ce~a1llic~. Rutgers Uni\'ersit)" ew BrunswIck. :\. ]. FITZSIMMO:\S. Elmer S. (RI1 Chern. & .\hrasi,e, Research Dept. Cincinnati ~lil1ing ~lachine Co. Cincinnati 9. Ohio FIX, Frank :\. (~ll Posey Iron \Vorks. Inc. Lancaster, Pa. FLEISCHER. Arthur (R) Box 349. E'bthampton. ~Iass. (Nickel Cadmium Battery Corp.) FLEISCHER. Eiler Holst & Fleischer A/S Prinsel13 Gate 1. Oslo, ~orway FLEMING, .\. P. ~l. Metropolitan Vickers Electrical Co., Ltd. . Trafford Park. !llanchester 17, England FLEMING. Charles A. (E1) '.5763 Vermillion Bhd. : .:New Orleans 22, La. :..:,(lndustrial Enameling Div., ;"';:lndustrial Electric. Inc.) Fti;MING. DAVID M. (BJ) :'~;':("22 E. Irvin Ave.. State College, Pa. FLEMING, Thomas T. (R) ;:;'>';Frank Samuel & Co.. Inc._ - ,-;'-".2Z00 Lincoln-Libertv Bldg. :.f~;~~l'bi1adelphia 7. Pa. . PLETCHER ENAMEL CO. ~e;Q;. Carroll Fletcher. Jr.) :".,.~J,>Unbar, W. Va. FLETCHER, J. Carroll. Jr. (E) W.a,\:~??F1etcher En2mel Co., Dunbar, W. Va. Fulton B. (R) .;-;~;;".~,Brown, Critchlow. Flick & Peckham .~;.:!-"06 First Xational Bank Bldg. , burgh 22. Pa. , E. P. IE) ~"':':-.' rmour Research Foundation ...' 10 W. 35th St.. Chicago 16, Ill. FLINT, Francis C. (GFI) Hazel-Atlas Glass Co. , ',15th & Jacohs Sts .. Wheeling W. Va. llLORENCE. Jack M. (G) . .. ': Kimble Glass Co. '. Box 1035-1036. Toledo 1. Ohio FLU. Eldon Bruce (\V) , .1533 Crooks Rd .. Rooyal Oak. Mich. ,,:.':: (Ceramic Dh. -:..... Champion Spark Plug Co). 'n--YNN, Paul H. (B) '~::":' International Xickel Co., Inc. ,:'.:,- ,.Bayonne Works, Bayonne, N. ]. FOGELBERG Sven " ", Webb's C;ystal Glass Co., Ltd. .'. Dennis Glassworks :,'.'" Stourbridge. England .!9t KERS, Charles L. (RJ) .', 917 Park An'.. Acklev, Ia. 9NTA1'\A, Eu",ene H. (G) ,.' Box 259, Corninl(. K. Y. ',' .' (Corning Glass \Varks) FONVIELLE, Frank P., Jr. (WI) -.:', Dentist Supply Co, of ~ew York 500 W. College ;he.. York. Pa. FOOTE MINERAL CO. ,.p':--,.. ' (t. G. Bliss) 18 W. Chelten Ave. Philadelphia -H. Pa. O~AKER, Rohert W. (EI) i':~::-:;'; Titanium Pigment Corp. :;~:99 Hudson.St .. Xe\\' York 13,~. Y. ;"ORBES. LeWIS J .. B. IG) ,.". 165 Bloor St.. E. '::. .oronto, Ont.. Canada . . i1kington Brothers (Canada) Ltd.) ~. , Fred J- (M) ,~~,... ox 537. Dallas. Texas 'l~,()RD. George D. (\\'I) '."" 2136 Wilmer St., Zanesville, Ohio -.~,.'~. (Mosaic Tile Co.) FORD. W. B. (\\') Smith & Stone, Ltd. Georgetown. Ont., Canada FORD. \Yalter D. (GI) Pittshurgh Corning Corp. Technical Dept. Port Allegany. Pa. FORDS PORCELAIN WORKS (1. .\. Hansen) Perth .\mhoy, ~ ..r. FOR ES~I.\:\. Gro,'er C. (G) 2J2 Cedar 5't., Corning, X. Y. (Corning Gla" Works.' FOR].\Z. :\icolau Porto Ferreira CP E. Sao Paulo. Brazil FORf'XER. Henry R. (XI I Box 4~2. Blacbhurg. Va. (Vir",inia Polytechnic Inst.1 FORRY. \\', J (~!JIl 21 :\. Shippen St., Lanca'ter. Pa. IPo,e:.- Iron \York:; Inc. ) FORSE. Edwin B. (RI Carborundum Co.. Xiag-ara Falls. X. Y. FORTER. Samuel ,.\. (G I Forter. Teichmann Co. 1210 Clark Bldg., Pittsburgh 22, Pa. FORTH. Robert D. (E) IJ6fj X. W. Circle Dr. f'ankakee. Ill. I Florence Sto,'e Co.) FOSDICf', )'Iarion L. (DF) 100 X. !lIain St.. Alfred. X. Y. FOSTER. Charles T. (GJ) 9102 X. Swan Circle Brent\\ood Ii, ),10. (General Refractories Co.) FOSTER-FORBES GLASS CO. (F. R. )'Iotsch) Marion, Ind. FOSTER. Wilder D. (B) 5405 Bower Ave., Verona, Pa. (t'. S. Bureau of Mines) FOSTER, \Vilfrid R. (BF) Department of Mineralogy 01 io State eni\'ersity Columbus 10, Ohio FOSTORIA GLASS CO. (Ro)' G. Yeater) Moundsville. W. Va. FOWLER. Eugene F. (E) Battelle ~Iemorial Institute 505 f'ing :he.. Columbus 1, Ohio FOX. Charles S. I R> Aluminum Co. of America 3615 Oli'e St.. St. Louis 8, Mo . FRAD, \\'illiam A. IR) 1800 Oak St .. Rolla. Mo. (!lli'5ouri School of ;\fines) FRAH~IE. Herman H. (WI) 114 \\'inston Rd., Akron 13, Ohio n,'. S. Stoneware Co.) FRAME. Dudley P .. Jf. (M!) 490 Colonial A\e .. Worthington, Ohi,) (Harrop Ceramic Service Co.) FRANCE, J. H., REFRACTORIES CO, (William A. France) Snow Shoe, Pa. FRAXCE, William A. (R) J. H. France Refractories Co. Snow Shoe. Pa. FR.\XCESCHIXI, Felippe Ceramica Sao Caetano Caixa Postal 278, Sao Paulo, Brazil FR.-\XCIS. Ronald K. Box 84i ..\lfred. 1'\. Y. FRA:\CISCO. Allen C. (RI) 227 Beeler Dr.. Berea. Ohio (Kolcast Industries) FRAXCK. Leon Franck & Steeman. S. A. 20 A,'e. Emmanuel Haren~ord. Belgium FRAXCL. Josef (B I 2549 Orkne\' St .. Toledo 6. Ohio (Owens-Il1i~ois Glass Co.) FRAKK. Henry A. (W) Kokomo Sanitary Pottery Corp. Kokomo. Ind. FRAXK. John (D) Frankoma Pottery, Sapulpa, Okla,' FRAXKLIX, Earl W. (S) R.R. 1, Box 212B .\lired l'ni\crsit\ Research Lab. Kingston, :\. Y. ' FR:\:\KLIX. William S. tGI I 918 Gra,,'mere .\ve .. \Yanamas,a, X. ]. (Bendix :\\iation Corp. Electron Tube Div.) FRANKOMA POTTERY IJohn Frank) Sapulpa, Okla. FR.\XTZ. Samuel G. (~I) S. G. Frantz Co.. Inc. Box II.1S. Trenton. X..J. FRANTZ. S. G.. CO.. INC. (Samuel G, Frantz I Box I J .;~ Trenton. X. J. FR:\:\Z. Leo J. iR> .-\cme Brick Co., ~Iahern .. \rk. FR.\SER. I.e\\ j, H. D. (B) 5532 S. E,erett .\,c.. Chicago 3i. 111. ( C(ln~ul t ing Engineer I FR.\SER. Orra, T. (GI) Harbor Hills. Hehron. Ohi" (B. F. Drakenfeld & Co.. Inc.' FR.\SER, Walter A. (G) Fraser Gla!'s Co., I n<,Box 185. Crozet. Va. FR.\SER. \Y. B. (S) Fraser Brick Co.. Box IH Dallas I. Texas FRAZIER. C. E. (GF) Frazier-Simplex. Inc. 436 Beau St.. Washington. Pa. FRAZIER. C. T. (Gl 52i E. Beau St.. Washington. Pa. (Frazier-Simplex, Inc.) FRAZIER. J. Earl (GFI) Frazier-Simplex, Inc. 436 E. Beau St., Washington, Pa. FRAZIERSIMPLEX. INC. (e. E. Frazier) 436 E. Beau St. Wa<hington. Pa. FRECHETTE. Howells (Life, SF) 52 Park Ave., Ottawa. Ont.. Canada FRECHETTE, Van Derck (BFI I Xew York State College of Ceramics Alfred. :\. Y. FREDERICK. C. L. (Rl) 24 Meadowood Lane, R.R. 4 Chagrin Falls, Ohio (:\orth American Refractories Co.) FREDERICK. Gilbert 1\1B~bcock & Wilcox Co. 1120 Packard Bldg., Philadelphia 2. P::t, FREDERICK, Vernon W. (G) Lihbey-Owens-Ford Glass Co, Rossford, Ohio FREDERICKS, John D. (S) Pacific Clay Products Box 2178. Terminal Annex Los Angeles 54, /Calif. FREDRIKSSOX, John 1. (R) Xorton Co.. Box 87 Xiagara Falls, Ont.. Cana,\' FREE:\I-\X, Charles A. (RFI) Freeman Fire Brick Co. Box 606, Canon City. Colo. FREEMA:\. Edgar H. (W) Cook Mfg. Co.. Box 157, \\'alnut. Calif. FREDlA:\. Joseph (1\1) L & L ~Ianufacturing Co. 136 Eighth St., l'pland. Chester, Pa. FRE:'\CH, "I\'rtl~ M. (OF) 8301 S. Lang-ley A,e. Chicago 19, Ill. (Art Institute of Chicago) FRE:\CH. Preston \\'. (GI) 1517 Cnion Ave.. Brackenridge. Pa. (Pittshurgh Plate Glass Co.) FRENCH SAXON CHINA CO. (W. V. Oliver) Sebring, Ohio FREY. E. F. (M) DeVilhis. Co.. Toledo 1. Ohio FRIEDBERG, Arthur L. (X) 204 Ceramics Bldg. eniversit, of Illinois. Urbana, Ill. FRIEDMA< Louis K. (W) Homer Laughlin China Co. 212 Fiith .-he.. :\ew York, X. Y. ROSTER 25 jl f 1 nED:\IAXX, Ernesto 990 X. Park Axe., Pomona. Calii. UTZ, Earl C. (w) 131 Fulton St.. Olean. X. Y. (Hi. Q. Dil' .. Aerol'ox Corp.) UTZ, E. H. (WFI) 710 Walnut St .. Latrobe. Pa. ~_ kOf{ Ceramic & :\1 fg. Co.) . Laird IGl s-Corning Fiberglas Corp. Newark, Ohio WME, Howell E. <G) United Fuel Gas Co., Box UiJ Charleston 25. \Y. \"a. WNCZAK. E. T. (SI Natco Corp.. Greentown. Ohio WST, Leon J. (EI Box 138, Lewiston. X. Y. (Titanium Alloy :\1 fg. Di\". National Lead Co.) ~Y, Herbert G, National Enamel" Ltd .. 53 Xorman Rd. Greenwich. London. S. E. 10, England ~YSIKGER. James B. 1:\1) Pennsylvania Glass Sand Corp. Two Gateway Center. Pittsburgh, Pa. jENZALIDA, Javier H. (R) Foreign Di,., American Radiator & Standard Sanitary Corp. 40 W. 40th St .. Xew York 18, N. Y. JJII, Taka~hi Institute of Silicate Research . University of Toledo, Toledo 6, Obio JLKER, Richard H. (EI) 1408 Kicklin Ave., Piqua. Ohio_ (Pemco Corp.) JLLER, A. A. (X) , 322 S. Twyckenham Dr, ':.South Bend, Ind. , (Sollit Construction Co., Inc.) JLLER. Donald H. (EI) 335 S. Cook Ave., Trenton, N. J. (Trenton Fabricated Metal Co.) JLLER, L. R. (EI) 1129 E. Walnut St.. Ko':o:uo. Ind. American Corp. l Riehanl B. (WI) 'a"ne St.. Sandush'. Ohio (Unh'er~al Clay Products Co., JLLER. Richard G. (W) D. E. McXicol Potten' Clarksburg, W. Va. ' JLLER, Wilfred (E) General Steel Wares Ltd. Adelaide & )\ e1son Sts. London. Ont .. Canada JLMER, Ravmond C. (WI) Stackpole'Carbon Co.: St. Marys, Pa. JLRATH. Richard M. (R) 1915 Milvia. Berkeley 4, Calif. (Universit, of California) JLTOX, GI~n B. (E) Norris-Thermador Corp. 5215 S. Boyle Ave. Los Angeles 58, Calii. JNK, James E. (Wj) 1355 Crane St., Schenectady. N. Y. (Locke Dept., General Electric Co.) JNKE, W. (G) Owens-Illinoi, Glass Co. Box lOll}. Oakland 4. Calif. JNKHOUSER CO. (J. B. Sauls) Hagerstown. Md. }X!\ELL. John E. (MI) Southwest Research Institute Box 2296, San Antonio 6. Texas JRR, Clegg M. (SI) Box 191. Oakboro, X. C. (Kindrick Brick & Tile Co.) JSSELL. Lynn E. (W) 122 Kingston. Louislille. Ky. (General Electric Co.) ;~' Lester T. (I) . t o n .A.'e .. ~erry. X. Y. \GIX. L V. (G) 2616 Latonia Bhd., Tole<lo 6, Ohio (Gla" Fibers. Inc.) GAILEY, l\lichael D. 2601 \\". :\!ontlake PI. Seattle 2. \\"ash. G:\IXR, Taylor 1\1. (W) 6505 E,'angeline AIe. Louisl'ille 14. Ky. (,-\merican Radiator & Standard Sanitary Corp.) GAIXES. Robert F. (5) 25 Crosby Rd .. :\!anchester, Conn. (Kelse~ Ferguson Brick Co.) G.-\LBRE:\ TH. \\'illiam \Y., Jr. (RI) 48i \\'. St. Charles ,Rd. Elmhurst. Ill. (.-\rgonne Xational Laboratory) GALL:\GHER. Thomas F. (G) 183 Dalton Dr.. Buffalo 23. X. Y. I Laclede,Christy Co.) G.-\ LLl SOX. Herhert E. (1) \\'orthillgton Corp, Industrial :\Iixer Dil.. Plainfield. X. J. GALLl.'P. John (GIl RCA Yictor Di\". Radio Corp. of America 415 S. Fifth St., Harrison, X. J. GATXSH,\, Richard L. (\\') Box 12, Bendersville, Pa. (Keystone Ceramic Corp.) GALVIX. Richard J. (S) Sheffield Brick & Tile Co. Sheffield 1. la. GAMBLE, Da"id L. (E) Xe\\' Jersey Zinc Co. of Pa. Research Dept., Palmerton, Pa. GAMBLE, John D. (W) Bell & Gossett Co., 8200 Austin Ave. Morton Grove, Ill. G.-UfSOX. Bernard W. (R) Great Lakes Carbon Corp. 8210 Austin Ave., Morton Grove, Ill. GAXGLER. James J. (R) 20538 Stanford Ave. Fairview Park 26, Ohio (Nationa] Advisory Committee for Aeronautics) G,\XGULI, L'mapati Bengal Enamel Works Ltd. P. O. Bengal Enamel, Dist. 24 Parganas West Bengal. India GAXIER, Albert F., Jr. (5) W. G. Bush & Co. 174 Tbird Ave .. K., Nashville, Tenn. GAXPULE, Anant K. Parshuram Pottery 'Yorks Co., Ltd. Morvi, Saurashtra, India GAXTS, Sheldon B. (D) Ceramic Associates, Inc. 3650 Dyre Ave., New York 66, N. Y. GARBISCH. Xorbert S. (G) Garco Products, Inc. Box .lSI, Butler, Pa. GARCIA,LEAL. Ramon (WI) Apartado Postal 111 5 Monterre~' N. L .. Mexico GARCO PRODUCTS, INC. (Norbert S. Garbisch) Box 351 Butler, Pa. GARDEN, Henry R., Jr. (5) Box 508, Salem, Va. (Salem Brick Co., Inc.) GARDXER, Walter E. (W) Rio Panuco 340 Ote. Colonia del Valle Monterrey X. L .. Mexico (LadriIlera },fonterrey S. A.) GAREIS, Friedrich "Tassino" :\!ontagnola Lugano. Switzerland (Porzellanfabrik Langethal A. G,) GARFIELD REFRACTORIES CO. (Kenneth A. Rugh) Bolivar, Pa. G.\RLAXD, C. F. (S) Mason Citl' Brick & Tile Co. 1\f ason Cit;'. I a. GARLICK. Oakley H. (:\0 PaulO. Ahbe. Inc. Little Fall,. N . .T GARLICK. Philip L. (JI) I Gladys St., Cyrildene Johannesburg. South .-\frica GARSTAXG, Alec King. Taudel'in & Gregson Ltd. Grindlegate \\'orks. Scotland St. Sheffield J. York. England GARVE. T. \\'alter (SFI) 69 \\'. \\' eisheimer Rd. Columbu, 14. Ohio (Consulting Engineer I G.\RVEY. Lawrence P, IRI) RCA \'ielor, 415 S, Fifth St. Harri,on. X. J, G,-\SKIXS. \\', \\'. (\\'J) 1608 HUlltington Dr.. Box 390 South Pa'adena. Calif. ISierra Talc & Clay Co.) G.-\ TES. Daniel \\" IXII Clemson Colle!!e. Ceramics Dept. Clemson, ~. C. G.\ TES, Louis E .. Jr. Box 933, Canton. X. C. G.-\TES, 1\!ajor E. (R) 144i Parkview AIe .. Pasadena 3, Calii. GAl'DI.\:\O, Victor :\f. (W) Sanitarios EI Aguila S. A. .\partado Postal 26808, Zona 14 l\lexieo, D. F. G.-\lXDER. \\'ilbur F. (G) Pittsburgh Plate Glass Co. Works Xo. II. lIlt. Vernon, Ohio GAl.'XT, Charles L. (G) Indiana Glass Co., Dunkirk, Ind. GAl'TSCH, Murray C. (MI) ';1.\V pueJ9 '3: "woJ l!WJ~q~ ~ lel~J~ South San Francisco, Calif. GAVIX, G. P. (W) Kohler Co., Kohler, Wise. GAWTHROP, Alfred (S) 885 Maplewood Rd., Lake Forest" 111. (Wedron Silica Co.) GAY, Hayward A. (R) Cincinnati l\1 iIling Products Div. Cincinnati l\lilling Machine Co. 4701 Marburg Ave .. Cincinnati 9, Ohio GEIGER, Cbarles F. (RFI) Carborundum Co.. Box 268 Perth Amboy, X. J. GEIGER, Joseph S. (M) 9H Wesley Ave., Evanston, Ill. (Titanium' Allo~' Mfg. Div. !\ational Lead Co.) GEISIXGER, E. E, (EF) Phudler Co.. 1000 West Ave. Rochester 3, X. Y. GELLER, R. F. (WFI) 5427 York Lane, Betbesda 14, Md. (Xational Bnreau of Standards) GELSTHARP, Frederick (GF) 1134 Park St., Tarentum 1, Pa. (Pittsburgh Plate Glass Co.) GELTl\-IAX, Gerald Box 1009, Alfred, X. Y. GEMMELL, J. G. (M) Golding-Keene Co., Box 456 Keene, K. H. GEMP, Robert \\" (R) 500 Michell St., Ridley Park, Pa. (Botfield Refractories Co.) GENERAL CERAMICS CORP. (R. \\'. Ferguson) Keasbey, X. J. GENERAL COLOR & CHEMICAL CO., INC. (Harry J. Keener) Box 7 l\linerva, Ohio GENERAL ELECTRIC CO. (L. E. Thiess) Locke Dept., Box 57 Baltimore 3. l\!d. GENERAL ELECTRIC CO. (\\'. S. Kahlson) Lamp Dept.. Pitney Glass Works Xcla Park 12. Cleveland, Ohio GENERAL GLASS EQUIPMENT CO. (Victor A. Pillmbo) 5 S. Virginia Ave. Atlantic Cit~,. X. J. ROSTER ~7 , ittf GENERAL REFRACTORIES CO. rRu:-::t'il i' :lll;V:-' 1~2f1 L(lcu~t ~~ 1'!lI!:I' it:: : ':~ :" :: 1 ~~~'TRY. f\:~:.!:~":'I: I I,' :\!C:"::.lllL'7'" H. Kl;-r '::.:. l~('. lilL'. EJ.:':: I';t:t < ;~:t.. I ,~ <: E.(lRI,~:~ \\ 1\. I \ C3.:10n ... hl:7"~ !"'::l-:' GEORGE. W. S .. POTTERY CO. ,\\". C I~lr'-'..:l' F:-:< t';tk .. titlL". (l~li ._, GEORGIA KAOLIN CO. I RplH:~: I { l:ll:ii'",;,.'l"f \ .....~.; \: eil';:d ~7 i-:::I..IIJl':h 3. :\" . .T GEORGIA PIGMENT CO. I \Y \\' K.::::..:;::,:: :=':':mdl'r..;\-ilk, Ga. ':;ER.-\'.~llTY .l',h".l ,:', Chh';H!C) I Ll:-d \\":lrt' rlI1l1',.jr~ C(f. :':,,"'dl Chi~;::.:r,. 1:: GERBER (I"',,r L ,\\'. Ge:-t>ef f'iullthin!; I'l:\.lllH' CII, ::32 ~. C1:l:-k St. l~:lic:l!-,(I. Ill. ':;ERC.-\R Fr"nc'i,c(' .l S. :\. Cri-:akria. Del l:f11gua\, (nnlCfcill IJ'll. :\l~,::tL"\ideo. Crug'..lay GERSCH. Herbert I S I 3';5~ Ontarill S:. C(,lumbus 11, Ohio (Clawrait C(,.) GERSTE:\:'CHI.\\~ER. Y .. Jr. (R) BahcPC'k &: \\'ikll,\ ell, Dux ~2:; :\l1l!u:"ta. t'"';a GERSTER. C \\- (\\-J I Lnuthar. \1 anuLctunng- Co. Ea:-:t LjycfJl(l(ll. Uillc, GETTO ..\1Ial1 B", ..?~,; ..\lired. :\. Y. GHERI:\G. I.e"nar,i '.~. (Gf) Pre-t"r, L,I",r":,":e'. Bnx I ~q Butler, J'a. GJ..\CO\IELLI. D,::,t'O;cn nc. 1;. Ixe;ra::",i ~.an:ht.',r:l ~;~i(_I:::!",i:1 \ 13 Illdll .... :nc .~..: 1...:1 .... Pn;;;t. 38 ~lan.rht'r;1. Yt'1l1Ct ftal~- GI.\:\,-;. Yu "im Chn;lll lillat c(. l:1i.: ] II J{).;;;~ Ri7:d .;:,~. ~ralHblu:nnl:;'" Rizal I'r(,\ inl't"" , !'~:ijil'plne~ GIBE, \lar~' .1. :\lI1e:--ic:l.!J Ccr:!Jl:ic :::;"\cil'ty -1(I.::~ \: ffi:.:h ~~ \-(lll1mllu .... 1-l. 0hio GII~ I::'. \[,,1\;:: 1', 'i~, 1q]:Uld ~ItTl ("j'. :".l~t Chie:l.g0. I ild. GIP,<.;():\. Frank B ,E, .-\ .......Hl'iari,.'ll of _\;]1CriC:111 RailffI3(1" <r, E \'an Burel'. :': .. Chicag-" S. III GIr~:"):\. R 1.. (\\'! I ,< I..? E I.ea"ure. \, t'. :\,,\\' Castle. Pa. (~:\e!::lll~(' Chil:.1, lilt, , ':;rE:'1-:KE. Fr:<ll.' f\:llckum;;; Emaijt'n L'rk l{"!111t:hY S\\t'lll'n GIE~:-- Ed~\:,!"d .\. I RJ I .;"l <;",,,-,01 -:t :'''\l:h .\mh",. :\ .I f Tl::1ninm l'i1!Il'l ::: Cllrp., \" '\'1' 111:11 lot :!li \ -" G liE:' .I ;lIlle" 1I .I r 1\1 I ) ~.; I~', yitt-; ~t. \: \\". n\ \ :l',hint:f('I;, (~ '!"'icei:tin LI:~:lllt; 11l~lirlttvl (;11.1::::. Th"l"ol.' \1 ,\\'.1\ 1'-'~I'j :=:'l1fl~di.: 1..:,; t~t'Jl1mhu~, nhin r l')hi,'j ~r:l!l' {'1::\ t r:,it~ I G!I.I'fI.f .. \:\. r. \[ ,"", J\. t'\\ ~ :--('~' i', 1;",'::llTJ Co J.1",\ '-'(1:--:. Trtl::l.;: ,;, ~. r'd::. I:::", .. \ ,\\ r. ''';: ~~ 1"'-" i' I\" ,J'. ~:.:: \ nt(ITll(' Cj. T t'\~:l'- ",::""",:!t'n' !. .1 tfll!' f! I F~ : t ~i!; 1-1."1\' I', " I ),! l1tH'ie. TtlrL GT:' l."'I,i' \\ ~. I"':; \',\1' l'oIl"'.:': ,I' ,..: ,',: I)t ... Pblnt'~. 11i \;" ; II . ',:,t! ';'l.L. La\nm' :\ 1\\'1, _-\1Ht"r!l':It: 1"'::l,!I:ltl,r &: ~tallj2:c'd .>..:':LI~I:::~~ L~'I'q', il(, ..~ !S TI,r::l:llt.. (',Lhi ,r!;.]}>!'!!: 1I .\1 ,\1' ":'-2~ 1:1\1;: :'.':1:, _\t\" YI,ri.: 7.:-: Y , ; I L 1.1 \ I, I) .1, 0-<) ,h 'I':. ,I), 111."- \\ ('''\:TI:~-:-:'t Pb'li)~::--. \';t I I I :\l~:;':' 'l: ! !l< i:t:tl I GILLINDER BROTHERS. INC. '.1. lk:,.. iwr Gl!111l11l:'\ }'\Ir: Jt..r"-l~. -:\ Y .!! ,II Ll~\l)f'J": rll'kht::- j l~\ l.i;;;:',lit; i:'l'th,lf'::'. 11~l' T'pr: .Il:-,i:-- . .\' Y. (,[IL1'I.Y \\d~:::::l F (X., _'1-.:' \ 'ht ~;~:u~ S: .. I\yr: .\jit~::c:.. t !'i:! ... I,::':-:b (,'n~ln,:..:' (-'n:';l'l !'d I~IT.T\:EJ~, 1',(l1l.dlc: C (\\"l !I)':i";-- I::l~;-:l:d r\,rltbi:~ C'j l'itrn .\. 1\':lr1 ~:. ~lat'I"~l\' 111 '~I\I."':'):\ .1 .. ,,;,h I' \\',I;t't'<er I" ,::d I\'lTtbill Cl, .. Hl'.\a~ f'l,rctlain \\-ork:-\\'I,r('~---tl r. L!l!.!l;u,d (,l:\,;nl.l) .\;,,,,,1. I _td I" rue de Ftlnt(:lla~', 1Ik~..;i.-.-R"I,iTbfll1 Pari.;. St.'int, France Irl'TIlER. L.1.\\rtllt.'c H {l~-) I.ih"t:~-(I\\til:--r\'rd l~l:l"':- CII, 1701 E Bn,ad\\;IY. T,_'!cdll ~, Oh1(1 (~]lx.\Rf). R. T. ,E I \\-ork:::. Lah,r.H(lry. l-;ent:ral Ekt.,triL t~l' ~t.hen("("t;1(iy. :-: Y. ':;lTTER . .\Iice .1""l'hin" '\11-'1'1 3" \\'. 7(1:h. :\,,\1 Y"rk ~3. :\. Y I "hittaktr. Chrk & Daniel-. Inc.) (~JT/E:\, \\'alter H. iRI I \\'e,;!n' Dr .. Ikll""ill". 111 (,-\Iumin"um Co, fli Americ<1) GT\'E:\. Conra,! \y, 1 E'I \~reat Lak", Stcel Cnrp. Fcr.r...:C'. Detroit 2. )lich. I~L\B.\J". En""t R. IG' ~3-l ~(lmt'r"'et :\\r .. Taunton. )fa ... ' . j (;eneral Electric e(I'1 (;1. \IJDI\'G . .\II'ert C. ,S I 1~1:lddillg Hro:--. ~tic C(l Third & J("yc< St.. San ,Tn-e, Cali; GLADDING, McBEAN & CO. nI \\'i~lia1l1 Br:l1ldrl 21i(J! 1.03 Fl:1iz Rhd. TJ!~ :\nQdc:;. Yj. Calii. (;I.,\]),\EY. J(nrt rl~1 Fibergb, Cal1.1,b I.t,l. R"" If ~arllia. Ont. C~lT:;:da l-;l.\~FR. Tphn H. ((~I lni:'-l'ieTlce Tile J I..? Cwoked Billet Rd. Hatboro. Pa ,-;1..\7E, Fmncis \\' ,GFI't ~! (In ,~allatin :'t. Hyatt,\ille. \[,1. 1 ~atlonal Bureau (If Stan(iani~'l GLEN-GERY SHALE BRICK CORP. (Gt)rdon E l.e\\ y.; I Box 182 \\'yomissing-. Pa. GLENSHAW GLASS CO .. INC_ r Gcnr.!!" \\- \[eyer'l Glen,ba\\'. Pol GLOBE-UNION INC. IT. Flt.':l'her ll~trperl ('lIl) E. ",cie ,\n.. \Iihlau""" I. "'i,c' \~I.I)S~. CUTlter H (R\ 11~r('rllati(\fl:ll :'Tiller:t]" & Ch';llil.:d Cprp, ;JHl Harri"'ll11 :'t <';ko.kie, 111 I-;U,:,:,l:ln:\''\EH, I' h~ R 1 1 Hi,,, ~t,l. i r, }( ;jl ; 1~. 11 (" I [ (\1) lT111ia!1ap(jli~, CLY:\ '\. T. \\. i C:' Blue I~i.]gc GI.1:-=~ Corp. hil~:,."'PIrt Ttnll ';',11);) \lxP." T ,"', gil" 4-2~. fr~iT~lil:l)!". I )llt. Canad,t I ~ ':lh:l,iJ:tn TI I ,rt'C'];1111 ('fl., Ltd) {~()r)FJ \IT\:. f~I'r,l"ll .1' i 1-;.1 I ':.' 1 ~ \1, .. :; h I)r. \,'t I n~ T,h"j" (" )hill " )\~:,:~---:'l !II,:~ I;b~~ (i' ,,t.lETUIIL':'. Dc,n R, IE) Fern.1 C'Jql. ~ 10(1 E. ;;'.:h St .. l'Ic"e1antl, ethic, "I)FTT\l.\:\. Franklin I'. 1\11 :-;t~llldar~i ~and 1.... \1 . (;:-:Illd H:\\Cli, ~\l\{,'h" \ ~I Jl\'. Frtd L. IS .. (;1ad,_lit'.~. ~dcBcatl ~ Ctl,. I.ilhl.\n. t.":dii. 1,"I.lll\I;.h,'rL S. \lc:a; i\':-d1::1:1'" Ltd .. t ptll .... al1 ~\i ~IlH!h\'. id" ~t1. f~J1.g-!:t!ld GOLDING-KEENE CO. J.I I: t 1\ ;l~l!ldll 1:\,,\ ..L:;"J t-~t't'!lt'. _\ li. t ,tll.l.l\l.\\. 1:,,;1 i:, t:,1 1~-1,:; :-:.. :--:::llt :'t. (hi(,;l~t' _. IiI. I I.~h,,,k..; ( !1l':lli,:~d t'p l ,,111.1':-'\[1'1'11 . .lllhan R ,g, l.l11\tT..;il~ ,'If l~hic:igll !)t'f'; "i l~t(']H-':-~. C'hll'agn ,:;;. Ill. ';"f.jl:'TU:\, \l;,,"di 1--:. 1\11 Halel' Ih .. ~::.;th I ,;111...... l'-I_~3 I~dl"'l_'l: 1'; '\ "I\-Irk .:, .\ .i (;(J\fEZ. :'::!'.;\c!(lr (,Idril-,z01a II{) I'abrlt':l til' L1\iril11'''' lndu ... triait''': y r~t'fr:H. !arip:--, S . .\ . ,\part~ldc, 3~)(J :\rtlJ1tt'rrt'~', ~. L .. :'fexi1'0 ,;, 1.\DI-:R. I.'''''1(,n (\\' I (~(llldt.'; Ceramic An~, Inc, gil\. -+.;~, Za1H::-.\il1c. Ohif' l;n:\1 \I.E/. R"n: (GI Yidriera "\IexicI), S :\. I.a{!o Zurich ~~3 \lexicn 17. D, F, \Iexit'o 1,1\1)1)\1.\:\, Gilhert (Bl (,l'!ll":"al Fh'ctric Re~tarl'h l.:lh. The "KnII11.;. ~l'h(,!lectad~. ~. Y. ,;onl)\L\\. H .\. ,R) 1ltl11linillll Fire Brick & Clay Prndnct< (J 05~) Ltd. C1aybank. Sa,k., Canada l~n()[)\1.\:\, lame, S. (E) .\lIlt'rican Radiator & Standard S"nit"ry Cnrp .. 83~ E. Rrn;,d",,,y L,,"i"'ille ~. J(y. r;OOj)RICH. Hobert R. (\\'J) 1,~2~ ~aI1t;1 B~lrhara Aye. (;lenc!a]t 8. Calif. (I ;ladding. :'\h'Bc.1t1 & 1....-11. I ;()Il[)\\']:\. 1-;"iI Creck R,l.. IIc,llt-y. :\. Y 1mI,"()])\\j:\. "'illiam Jarrard \1"::<1- Rc'.earch La]". Ekctrt,\Tctall11rgicai Co .. Rnx 080 :\i",,,ra Fall" :\. Y. ,~nRD()'\. Ir\\in 1\\":' Rr:\ I,;-dJllratnrje~ Diy. Prilwdc l l1, :\, J, I~')R\ILY . . \lan L IR) V'" ::'hn'\I'"bury :'t.. 1l,<1,1t-n. ~Ia-, (:\"rton Co.) I ;nR:\I1.Y. \Iauricr \\.. 1 \\') ;.-un ~ri:Hn1 Hill...: Dr.. ~r:ldcira. 1')11;" ((~ill(,lnnati ~filli!lg Pro(luct::. Di\ Clnrillllati \!illill!.!' \fachitlf Co) 1;()R:\\f.l.. Ht111'1' .\. DIJ) ";357 .\rdl1l/lTl Rd. S. Euclid Ck""!and ..? I. Ohi" (.\l1i,.d Engr. Diy. Ferrn Corp) l~nR<';lCIl, (,harlt-, \. 1\1) \yt'r.; :'Tineral ClI .. ~(j(l :\T:l.rket s~ Zane..;\ ilk. nhi(, 1,11In-, \\',,It,,, .\ i\\ T\lil1 Ray I' i11".", l'.1l1"(IT~ I.;tndillt!, \'. Y. I I ~t'l1t rai (tramic .. &. ~tl'atitt' C Ifl' j ,;O~S. Br11ct R. 11 !l."',ilt,,n <';t \\,,,'d"p"rt, :\. Y n.,;()'j''j'il. \[r'. 11. "\\'hcatland,," 1l"",lley :\r \'t'\\'-b!1ry. Ikl"k~. flll!"bnd I \ !. C"rt,. e" J ,;,){'j)(;r:. \1"",,,,, F nT, \llllt'''; l~r;l1l\.. h. ,~/) T.~ dia St. (11!:1\\-:1. (lnt" ( ;lIlada I I ),ll! "\1 illt ... & Tt'dlllit.al ~tIrn''\ <;; I ,;II!'I;rr 1:tnll".\ ,lnl'l 1_)~"': j ;:'l~l,-';tl' Hd.," ('Int'l:JIlI1. (\hl" T' ::: "'::'l'ci I-'I,q] 'I ]"~, I~TI,I, .....- - . - - - - - - - - - - - - !II"II!I'I I11 GOULD, R. E. (WFI) Buffalo Pottery, Inc. 25 Hayes PI., Buffalo 10, N. Y. GOWER, In'ing W. (R) Dept. of Engineering Research North Carolina State College Raleigh, N. C. FF, James B. (S) Graff-Kittanning Clay Prod. Co. Worthington, Pa. GRAFF-KITTANNING CLAY PRODUCTS CO. (James B. Graff) Worthington, Pa. GRAFF, William A. (G) Glass Technology Lab. General Electric Co. 1133 E. 152nd St., Clneland 10, Ohio GRAHAM, Durwarn P. (~f) Wiesner-Rapp Co., Inc. 1600 Seneca St., Buffalo 10, 1\. Y. GRAHAM, John Warren (R) Research Laboratory, Kennametal, Inc. Latrobe, Pa. GRANNEX, Edward A. (W) 77 Sheehan Ave., Cincinnati 15, Ohio (Cambridge Tile ~Hg. Co.) GRANT, Frederic J. (D) Grant-Jacoby Co. 527 W. Seventh St., Rm. 303 . Los Angeles 14, Calif. '~'::GRANT, Mrs. Frederic J. (D) .,);:< Smoke Tree Ranch, Palm Springs, Calif. :,l: ,:.:,,' (Grant-Jacoby Co.) "'GRAY, Thomas J. (B) _ /'.c::. Box 814, Alfred, N. Y.- .::'/:::. (New York State College of Ceramics) ,';'C;RAY. William T. (G) . "'/>!.eeds & Northrup Co. ::-:'64::::'4901 Stenton Ave., Philadelphia 44, Pa. /{GREAT LAKES FOUNDRY SAND CO. ""'.,,' (C~ L. Cruikshank) ,;2;:> 120 l!nited A.rtists Bldg. :2~'0.c: DetrOit 26, MIch. 'i:'{UEN, A. P., FIRE BRICK CO. . (R. S. Bradley) Research Dept., Mexico. Mo. EN, A. T. (F) ,. British Ceramic Research Assn. . ':' Queen's Rd., Penkhull Stoke-on-Trent. England GREEN, Allen P. (R) A. P. Green Fire Brick Co. Mexico, Mo. . GREEN, D. T. (5) Milton Brick Co., Ltd., Box 554 Milton, Ont., Canada ~GREEN, John R. (MI) .::-,.. Minneapolis-Honeywell Reg. Co. Wayne & Windrim Aves. Philadelphia 44, Pa. <:GREEN, Robert L. (W) '. ~', Lenox, Inc., Meade St. Trenton, 1\. J. :"'GREEN, R. S. (BI) -:.~'< 18 S. Jefferson Rd .. Mexico, Mo. '~~".;~:~ . (A. P. Green Fire Brick Co.) .GREEN, Robert S. (X) .:. Engineering Experiment Station . :' L Ohio State University Columbus 10, Ohio GREENBERG, Sidney A. (B) .' 377 Winnsor St. North Plainfield, X. J. _ (Johns-Manville Research Center) . .:i.:'GREENE, Charles F. (R) 540 Rogers Dr., ~Iacon, Ga. :<~,. (Bums Brick Co.) :,:;:;GREENE, Charles H. (G) ,,:,,~.,.,, Box 804, Alfred, X, Y. (N. Y. State College of Ceramics) , ' REENE, J. F. (GF) . 1043 New Pear, Vineland, N. J '. (Kimble Glass Co.) I.~ ." EENE, Robert H. (E) ..;~ Canadian General Electric Co., Ltd. 5781 Notre Dame E. Montreal, Que .. Canada ~t;YOL. 33, No. 10 (19,')4) ,~I,~ GREENLEE, Charles A. (R) Basic Refractories, Inc. 845 Hanna Bldg., Cleveland IS, Ohio GREGER, Herbert H. (R) R.R 1, Rockville, Md. (li. S. Bureau oi Mines) GREGORIUS, J. S, (GFI) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. GREGORY, G. A. (G) Ball Brothers Co., Muncie, Ind. GREXIER, Lee (R) Magnet Cove 'Biuium Corp., Box 832 Greybull, Wyo. GRESHAM, Lucius c., Jr. (S) Acme Brick Co., Monroe, La. GREWER, P. Douglas 4035 Sberidan Rd., Chicago 13, 111. GRIFFIK, Thomas W. (G) 213 Bushy Hill. Rd., Weatogue, Conn. (HartfordEmpire Co. Div. of Emhart Mfg. Co.) GRIFFI!\', William R, (W) Solar ~lfg. Corp. 46th SI. & Seville Ave. Los Angeles, Calif. GRIFFITH. J. Scott (R) 5524 W. Adams St., Chicago 44, Ill. CAnnour Research Foundation) GRIFFITH, R. E. (R) RR. 1, Malvern, Pa. (E. J. Lavino & Co.) GRIFFITH, William A. (n 806 16th St.. Niagara Falls, N. Y. GRIFFITHS, Norman Nonporite Pty. Ltd. 292-296 Burwood Rd. Hawthorn E 2. Victoria, Australia GRIGG, Arthur (R) Denver Sewer Pipe & Clay Co. Box 2329, Denver I, Colo. GRIGG. Paul E. (EI) 338 N. DO"er Ave. La Grange Park, Ill. (Armour Research Foundation) GRIM, Ralph E. (X) Dept. of Geology, Univ. of Illinois l'rhana, Ill. GRIMM, Clayford T. (5) Clay Products Assoc. of the Southwest 109 Perry-Brooks Bldg., Austin 1, Texas GROBB. F. S. (R) G. F. Sterne & Sons, Ltd., 126 Bruce St. Brantford, Ont., Canada GROOME. Garland L. (R) 1347 Cambria St., Baltimore 25, Md. (Harbison-Walker Refractories Co.) GROSS, Harold 1. (W) Santa Anita Potteries 3117 San Fernando Rd. Los Angeles 65, Calif. GROTHAUS, Joseph V. (R) 3008 Cheltenham PI., Chicago 49, Ill. (,United States Steel Corp.) GROVE, Robert L. (WI) 26 Rockland St. South Dartmouth. Mass. (Cornell-Dubilier Elec. Corp.) GRllNER, Max N. (R) Harbison-Walker Refractories Co. 1325 Ambassador Bldg., St. Louis I, Mo. GRI'VER. Robert ~1. 1160 Oneida St.. State College. Pa. GSCHWIND, Jean F. (M) Ross Midwest Fulton Corp. 1118 Woodley Rd., Dayton 3. Ohio Gt"ERCI. Carl F. (W) 1444 Westgate Dr., Bethlehem, Pa. (Western Electric Co.) (;l'IMARAES, Helio Pentagna Caixa Postal 1355 Belo Horizonte, Brazil Gl'LICK. Chester (W) Kentucky-Tennessee Clay Co.. Inc. 807 City Sa"ings Bldg" Alliance, Ohio (~t"LLTNGS, LeRoy V. CG) 126 Parkway Dr .. Wabash, Ind. (.\merican Rock \\'001 Corp.) Gl'MMESOI\, P, Eg. Hoganas-Billesholms Aktiebolag Hoganas, Sweden GC'THER, F. W. (S) 849 Baker Ave., N. W. Xew Philadelphia, Ohio (l'niversal Sewer Pipe Corp.) Gl'XZE!\HAl'SER, :\dolph (M) Industrial Consultant, 617 W. End A',e, :\'ew York 24, N. Y. Gl'STAFSON, Carl H., Jr. (R) ~Iontana Dr., Holden, !llass. (Norton Co.) Gl'THRIE, George "Ochil" Harrow Rd., Sudbury Hill Wembley, Middlesex, England (British Bath Co., Ltd.) Gl'THRIE, George B. (W) 642 Louisiana Ave., Chester, W. Va. (Hall China Co.) Gl'DI.\!\N, Paul F. (G) 88 Angelica St.. St, Louis 7, Mo. (Mississippi Glass Co.) Gl'nlAN, Hector Box 382, Rio Piedras, Puerto Rico (Puerto Rico Glass Corp.) GZOWSKI, Edward R 59 Drake St., Oakfield, N. Y. H HACKETT, James W. (G) 3614 Kenwood Blvd., Toledo 6, Obio (Owens-Illinois Glass Co.) HACKLER, W. C. (WI) Ceramic Section Engineering & Industrial Exp. Station University of Florida, Gainesville, Fla. HAECKER, Arthur J., Jr. (R) 67 Frost Ave., Frostburg, Md. (National Refractories Co.) HAEGER POTTERIES, INC. (Joseph F. Estes) 7 Maiden Lane Dundee, Ill. HAFF, Robert S., Jr. (R) Xorton Co., Refractories Div. Sales Engr. Dept., Worcester, Mass. HAFNER, Harold C. (G) Bausch & Lomb Optical Co. Chemical Research Lab. Rochester 2, K. Y. HAGAN, M. A. (RI) ~lidwest Research Inst. 4049 Pennsylvania, Kansas City, Mo. H.\GAR, Donald (WFl) Box 328, Zanesville, Ohio (Donald Hagar Ceramic Materials) HAGEDORN, E. C. (G) Technical Cen~er Owens-lIlinois Glass Co. 1700 N. Westwood, Toledo 7, Ohio HAGENAUER, Carl J. (G) R.R. I, Sarver, Pa. (Pittsburgh Plate Glass Co.) HAGERMAN, R. Scott (RI) 900 Wilmington Rd., New Castle, Del. (Cbemax Manufacturing Corp.) H.\GGLUI\D, Erik (M) Kanthal Corp., Amelia PI. Stamford. Conn. HAGXER, Fred F. (G) Phoenix Glass Co., ~lonaca, Pa. H.\GY, Henry E. (G) Corning Glass \\'orks Laboratory Corning, N. Y. HAHN, William P. (G) 80 Norwood Ave. North Plainfield. N. J. (Johns-Manville Corp.) HAHNER. Clarence H. (GF) National Bureau of Standards Washin!(ton 25, D. C. H.'\LDEN, Frank A. 825 Clark Ave., Ames, Ia . HALDY, Konnan L, (W) American Encaustic Tiling Co. Lansdale, Pa, ROSTER 31 JI ! 1 HALEM, Robert G. Babcock & Wilcox Co. Research Center, Box 835 Alliance. Ohio HALL, Andrew E. 417 Cliff Pl., Birmingham. Ala. HALL CHINA CO. _ (M. W. Thompson) East Liverpool, Ohio L, Donald H. Box 787. Alfred. X. Y. HALL, E. B. M/S Bird & Co. Ltd.. Re,;earch Dept. Chartered Bank Bldgs. Calcutta, India HALL, Everson (W) Park \\'ay Ext.. East Li,erpool. Ohi" (Hall Cbina Co.) HALL, F. P. (WF) Pass & Seymour. Inc. Syracuse 9. K. Y. HALL, H. Tracy (GI General Electric Research Lab. Box 1088. Schenectady, ~. Y. HALL, John T. (W) Elysian \"ay. East Liverpool, Ohio (Hall China Co.) HALLER, Percy ," 319 Carterknowle Rd., Sheffield II. England , ' (John G. Stein & Co" Ltd,) ),;IIALLER, Wolfgang K. (B) :'~/;$'.' Inst. of Silicate Research .'. ",'..;;:..' . University of Toledo. Toledo 6, Ohio '{HALLETT, Crawford W. (RI) .' .~<:< .Ceramic Supply Co., Box-I06 r~;~~ Crooksville, Ohio ::'?:liALLOlN, William G. (G) ""t,' 1218 Broadview Blvd. '.I,e" Brackenridge, Pa. ',c~':-:\ . (Pittsburgh Plate Glass Co.) .:;HALM, Louise . : :;'" Union Francaise des Produits ;c;': Refractaires, IS, Rue de Milan ',:.>::.' Paris ge, France ' AKER, M. L. (R) Columbia Fire Brick Co, ' . First National Bank Bldg. ';. Canton 2, Ohio .:HAMILTOX, Edgar H. (G) National Bureau of Standards Washington 25, D. C. HAMILTOK. Koble E. (R) .... 399 Lake Ave., Rochester 6, N. Y. "..' (Consolidated Vacuum) HAMILTON, W. M. (E) Crane Co., Chattanooga Div. .', Ch~ttanooga, TelTn. '"HAMME, Donald G. (X) C, National Gypsum Co.. Research Center 1650 Military Rd., Buffalo 17, N. Y. , ; HAMMER, Averill J. (S) Dept. of Chemistry Bowling Green St~te eniversity Bowling Green, Ohio ~.HAMMER. Gunter . ' , c/o Messrs. R. Fowler Ltd.. Box 9 .~,~: MarrickviIJe, N' .5.\\'., Australia '.' HAMMER. R. (l) : Box 5212 (Nachla), Haifa. Israel (Palceramic, Ltd,) .., HAMMOND LEAD PRODUCTS, INC. . (William P. Wilke, IlIl 5231 Hohman Ave .. Box 912 Hammond. Ind. ., HAMPEL, Richard J. ':,' 720 Cass St.. Trenton. X. J. HANCOCK BRICK & TILE CO. ;y' (James L. Child, Jr.) Box 59 .J"", Findlav Ohio . <HANCOCK', Russell A. ," .., 83 Water St. Auburn Sydney K.S \\'., Australia D, Thomas (R) Corhart Refractories Co . 1600 W. Lee St .. Louisville 10, Ky. 'i/HANDEN, Jack (GJ) -,:V' 355 Hoffman St .. Elmira. X. Y. ".' f\Vestinghouse Elel"trit- Co.) HASD\\'ERK, Joseph H. (B) 915 X. Prairie ..he., Joliet, Ill. 1Argonne Xational Laboratory) HA:'\ES. John G. (R) Republic Steel Corp.. Warren, Ohio H:\:'\KS, Charles F., Jr. 1\\') Kentucky-Tennessee Clay Co. 80i City Sa"ings Bldg. Alliance, Ohio HANLEY CO, (Charles E. Bates) Summenille. Pa. HA:\LO:'\, Charles \\'. (:\1) Hauck Mfg, Co., 124-130 Tenth St. Brooklyn IS. ~: Y. HAXX, Douglas G. Caynton, Shifnal. Shropshire, Englall<l (British Heat Resisting Glass Co.) HA:\X, G. C. (Gl ~Iinnesota Minin!( & ~lfg. Co. 900 Fauquier Ave., St. Paul 6, ~linn. H.\XXA. H. H. IGI) Pittsburgh Plate Glass Co. 100 Missi"ippi An. Crystal City, ~fo. HA~XA. Ralph E. (\\'1) Square D Co., ~lo1ded Insulation Di,. Peru, Ind. HAXXA, Richard (RJ) Hartford, X. Y., (General Electric Co.) HAXXOX. Richard C. (WI) 1208 Franklin Rd., Salem, Ohio (R. T. Vanderbilt Co., Inc.) HANOVIA CHEMICAL & MFG, CO, (R. T. Vanderbilt Co" Inc.) East }lewark, N, J . HAXSARD, W, Carey (WI) 2345 Cheshire Bridge Rd., N. E. Atlanta, Ga. (Georgia Institute of Technolog)') HANSELL, U, G. (W) Honeywell Research Center 500 Washington Ave., S. Hopkins, Minn. HANSEN,!. A. (W) Fords Porcelain Works Perth Amboy, N. J. HAXSEN, J. E. (EFl) Ferro Corp., 5309 S. Di~trict Bhd. Los Angeles 22, Calif. HAXSEN, John H. (G) Libbev-Owens-Ford Glass Co. 1701 E. Broadway, Toledo, Ohio H.".XSEN, Kenneth H. (M) 507 Edgewood Ave., Columbia, Mo. IConsolidated Feldspar Dept .. International Minerals & Chemical Corp.) HAXSEN, Valdemar Kastrup Glasvaerk Ltd. Xorrevoldg. 12, Copenhagen K, Denmark HAXSEN, Waldemar C. (R) l.'niversal Atlas Cement Co. Gary (Buffington Station), Ind. HANSON, G. G. ,(M) International Mjneral~ & Chemical Corp., Consolidated Feldspar Dept. 4436 N, Maplewood .".,'e. Chicago 25, Ill. HA:'\SOX, Han~ R. (R) .10004 W. Ten Mile Rd. Farmington. R.R., ~tich. (Han,on Co.) H:\RBERT, Carl (M) Harshaw Chemical Co., 1945 E. 97th St. Cle\'eland 6. Ohio HARBISONWALKER REFRACTORIES CO, ( \\'. F. Rocho\\") 1800 Farme" Bank Bldg. Pittshnf!rh 22, Pa. H:\RCOl'RT, Edward L. (M) Xorth American Mfg. Co. 3810 West St., Cincinnati '27, Ohio HARDER. Charle, M. I DF) Xew York State College of Ceramic,; .\!fred. X. Y. HARDING, John Roy 4 Greenway, Horsham, Sussex. England (Sussex & Dorking l'nited Brick Co., Ltd.) HARDINGE CO., INC. \Harlowe Hardinge) York, 1'a. HARDINGE, Harlowe (:\1) Hardinge Co., Inc., York. Pa. HARD),', Ronald G. (SI) Onondaga Brick Corp.. \\'arners, X. Y. HARES, George B. (G) 15 Roose\'elt St., Corning, X. Y. I Corning Glass Works.l H.-\RGREAVES, John 26 Kirk Lane Yeadon. Xr. Leeds. En!(land HARKER POTTERY CO. (Robert E. Boyce) East Li,erpool. Ohio H.'\R~tAX, C. G. (WFI Horizons, Inc .. 2891 E. i9th St. Clewland. Ohio H.\RXISH. John D.. Jr. \\\'1'1 Westinghouse Electric Corp. Derr)', Pa. HARPER, J. Fletcher \\\') Globe-l"nion Inc .. 900 E. Keefe ,-\\"e. Milwaukee I. Wisc. HARPER, Roderick L. (M) Harper Electric Furnace Corp. 39 River St., Buffalo 2. X. Y. HARPER, Wallace T. (RJ) 1645-D 16th St., Los Alamos, X. M. (Los Alamos Scientific Laboratory) HARR, W. J. (WI) 6454 Bloomingdale, Chicago 35, Ill. (~I e~'ercord Co.) HARRELL, George O. (D) 607 Wicker St.. Sanford, X. C. (Harrop Ceramic Service Co.) HARRINGTON, Henr)' W. (G) 132 Stafford Ave., Syracuse 6, N. Y. (Solva\' Process Div.. Allied Chemical & Dye' Corp.) HARRIS, Arthur L. (W) Harris Clay Co., Dillsboro, N. C. HARRIS, Da\'id H. (W) Shenango China, Inc.. Xew Castle, Pa. HARRIS, George M, (G) Hanovia Chemical & Mfg. Co. 100 Chestnut St., Ne\\"ark 5, N. J. HARRIS. Henry M. (5) 5226 Holly St., Seattle 8. \\a~h. n:. S. Bureau of Mines) HARRIS, James E. (S) 4685 S. Sherman. Den\'er, Colo. I Robinson Brick & Tile Co.) HARRIS. Joe X. 412 Florida Ave., S. E. Atlanta, Ga. HARRIS, Ransom S. 3107 Douglas ~t., Raleigh. N. C. HARRIS, William J. (W) Crossley Machine Co.. Trenton 9, X. J. HARRISON, Harold C. (w) 235 Webster Park. Columbus 14, Ohio (Westinghouse Electric Corp.) HARRISON, W. N. (EF) Xational Bureau of Standards Industrial Bldg., Enameled Metals Sect.. Conn. Ave. at Van Xess St. \\'a~hington 16. D. C. H.\RRISOX, William B. (RJI) 5325 W. Hadley St. ~Iilwaukee 10, Wisc. I AlIis,Chalmers ~tfg. Co.) H.\RSELL. William B. .145 t'nion A\'e., Elizabeth. X. J. HARSHAW CHEMICAL CO, I Carl Harbert) 1945 E. 97th St., Cleveland 6, Ohio HARTFORDEMPIRE CO. DIV. EMHART MFG. CO. (Karl E. Peiler) Box 1620 Hartford, Conn. HART, John M. (W) Xew Jersey Porcelain Co., Box 'l08 Trenton 5. N. J. HART. John R. 525 Lan,inll St .. Ralei!(h. X. C. ROSTER :33 _ _ _ _ _-..rIIIIiII HART, Leroy D. (RJ . 707 Crompton Court Webster Gro\es 19, Mo. (Aluminum Co. of America) HART, Wade J. (GI) . 908 Lafayette Court, Marion, Inll. (Radio Corp. of America) RTFORD, Thomas J. (WI) 1091 ~. Lake .'he.. Pasadena 6, Calif. (Gladding, ~leBean & Co.) HARTLEY, AI\a . G. H. Downing & Co. Ltd. New Castle. Staffs, England HARTSHOR:\, T. D. (EI) A. J. Lindemann & HO\'erson Co. , Milwaukee 15, Wisc. HARTWIG, Frederick J., Jr. (R) Babcock & "'ileox Co., Box 835 Alliance. Ohio HARVEY, .-\. ~f. Jr. (S) Roanoke-Wehstcr Brick Co., Box 7SU Roanoke 5, Va. HARVEY, Edwin T. (R) 314 W. ~fcPike St., Vandalia, Mo. (Harbison-Walker Refractories Co.) HARVEY, Joseph S., Jr. (G) 465 Centre St., Quincy, Mass. (Raytheon Mfg. Co.) . :HASKO. Stephen (WI) "'::.:.< 1(5 I0 .Wheaton Lane'fSSiltverdSPdri)ng, Md. . " ...~. Natlonal Bureau 0 an ar s ,::>"';::I->I.A' SLSiEbLbeByA-OCwHe.nsW-FiollridamGl(aGss) Co. . <'t'. 1701 E. Broadway, Toledo ~; Ohio <:/HASSETT, William A. (W) )~{.>:;;:: Knox ~orcelain Corp., Box 2031 '...i.~:" KnOXVIlle, Tenn. :;-/:.,#ATCH, Robert A. (B) :.:";f'~;t'i'~':; .:"'\' '>.: Bureau of Mines Electro-technical Laboratory Norris, Tenn. ~:':HATHAWAY, A. J. (R) " . >"f;'::,' 8721 Pershing Ave. N(TiiatgaanriaumFaAlllsl,oyN.MYfg. . Div., . National Lead Co.) THAWAY, Isaac S. (W) 1318 Tuttle Ave., Montgomery, Ala. (Alabama State College) HAUCK, Charles A. (RI) 3234 Kenyon Rd., Columbus, Ohio (Ohio State University Research Foundation) . HAUSER, Richard E. (1) 351 Moselle St., Buffalo 11, X. Y. HAUTH, Willard E., Jr. (B) . 409 Warminster: Hatboro, Pa. ;".' (International Resistance Co.) HAVEKOTTE, Walther L. (M) Firth Sterling, Inc. '. 3113 Forbes St., Pittsburgh 30, Pa. ,:-:.HAVELL, Richard F. (W) 846 N. Euclid Ave . Oak Park, Ill. (Eagle Grinding Wheel Co.) ; HAVENS, Irvin F. (X]) :! R.R. I, Belfast, N. Y. HAVILAND &: eo., INC. (Theodore Haviland II) 270 Park Avc. Kew York 17, N. Y. HAVILAXD, Theodore II (W) Haviland & Co., IIIC., 270 Park Ave. New York 17. X. Y. HAWES, Samuel A. (S) 301 N. E. Sixth Ave. Mineral Wells, Texas (Texeramics Co.) HAWK, Elwin A. (M) Hawk Laboratories, Inc., R.R. 1 East Rochester, Ohio HAWKE, C. E. (R) Carborundum Co., Perth Amboy, N. ]. HAWKINS, James M. (S) : _BUffalO B,rick Corp., 448 Franklin St. .,. Buffalo, N. Y. ::. KINS, Robert J. (R1) ,c'.. 20 Sunnyside PI.. Hamburg, N. Y. (Buffalo Brick Corp.) HAWKS. Ralph L. (R) Holt St .. Hopkinton, Mass. (Stylon Corp.) VOL. 33, ~O. 10 (1954) B.\ WKS, William L. (R) 48 Chester Circle, Apt. 2A :\ew Brunswick, X. J. (Sayre & Fisher Brick Co.) HAWS REFRACTeRIES CO. (E. E. Slick, Jr.) 407 Main St. Johnstown, Pa. BAY, John 58 Westholmes Gardens ),Iusselburgh, ~Iidlothian, Scotland 11:\Y, Joseph L. (R) ....cme Brick Co., Box 448 },[ah'ern, Arkansas 1l:\YDOX, },Iary P. (B) 106 OR0ntz Lane. Oak Ridge, Tenn. (Oak Ridge National Laboratory) HAZEL-ATLAS GLASS CO. (Francis C. Flint) 15th & Jacobs Sts., Wheeling, W. Va. HAZEL. John J. (R'Fj Republic Bldg., Rm. 1526 Republic Steel Corp., Cleveland I, Ohio HAZE", E. J. (GI) R.R. 2, Ford City, Pa. (Pittsburgh Plate Glass Co.) HEALY, James H. (E) 4S II 1'>. Sherman Blvd. ),Iilwaukee 16, Wise. (A. O. Smith Corp.) HEATH, Donald L. (B) Ohio Brass Co., Park & Ninth Barberton, Ohio HEATLEY, Sidney M. (S]) Box 475, Moncks Comer, S. C. (Babcock & Wilcox Co.) HECK, Frank G. (R) E. J. Lavino & Co., 1528 Walnut St. Philadelphia 2, Pa. HEDDELL, James V. (GI) 2328 Hathaway Ave., Alhambra, Calif. (Gladding, McBean & Co.) HEDDEN, Walter A. (M) Battelle Memorial Institute 50S King Ave., Columbus 1. Ohio HEDGES, Lee M. (R) R.R. 4, Cedar Grove Rd. SC'merville, N. J. (Johns-Manville Products Corp.) HEDGPETH, James A. (S) Borden Brick & Tile Co., Box 1771 Durham, N. C. HEDIX, Claes Olof c/o Malardalens Tegelbruk Stockholm 3. Sweden HEDQUIST, Alfred J. (W) Apartado Postal 525 Guadalajara, Jalisco, Mexico (Loza Fina S. A.) HEEBNER, John C. (RI) 7064 Glenmeadow Lane Cincinnati 37, Ohio (Cincinnati ~filling Machine Co.) HEFTI, Franz c/o Zurcher Ziegeleien Talstrasse 83, Zurich, Switzerland HEIDTMAN, Clarence F. (G) National Lime & Stone Co. First National Bank Bldg. Findlay. Ohio HEILIGMAN, H. A. (RFI) E. J. Lavino & Co., Box 29 Norristown, Pa. HEIMSOETH, Werner ]\f. Farbenfabriken Bayer, (220) Leverkusen-Bayerwerk, Germany HEINDL, Raymond A. (RF) 4917 43rd St., N. W. Washington 16, D. C. (Kational Bureau of Standards) HEINE, H. W. (S) Hudson Supply & Equipment Co. 1727 Pennsyh'ania A,e., N. W. Washington 6, D. C. HEISCHMAN, Fred E. (W) 106 S. Adams St., Fostoria, Ohio (Electric Auto-Lite Co.) HEISLER, John C., Jr. (M) EaglePicher Co.. Oliver Bldg. Pittsburgh 22, Pa. HELLER, Enrique 'Ie Cerro de Pasco Corp. La Oroya, Peru HELLIESE~, Richard O. Box CC, Alfred, X. Y. HELLRIEGEL, Edgar J. (R) 986 Hale St., Apt. B, Pottstown, Pa. (Robinson Clay Products Co. ) HELM, David F. (B) Mellon Institute, Pittsburgh 13, Pa. HELMKAMPF, R. X. (G) Laclede-Christy Co. 2000 Hampton Ave., St. Louis 10, Mo. HELSER. Perry D. (WFI) 3604 Rosemary A,e., Glendale 8, Calif. HELZ, Armin \'v'. (W) 20 Maryland Ave., Gaithersburg, Md. (U. S. Geological Survey) HDlBERG, Per Surte Glass\\ork. Surte, Sweden HDIPHILL. R. W. (\r) Colonial Insulator Co., 945 Grant St. Akron II, Ohio HDlSTEGER, Samuel E. (EI) R.R. 2, Windsor, Vt. (Consulting Engineer) HEKBY, E. B. (M) National Engineering Co. Simpson Mix-Muller Div. 549 W. Washington Blvd. Chicago 6, Ill . HENDERSON, Frederick C. (WFI) Royal China, Inc., Sebring, Ohio HENDERSON, James L., Jr. (M) Robinson Ventilating Co. Zelienople, Pa. HENDERSON, William W. (S) Robinson Ventilating Co., Box 217 Zelienople. Pa. HENDREN, Robert R. (R1) 105 Bank Ave., Riverton, N. J. (Richard C. Remmey Son Co.) HEXDRYX, Dwight B. (S) 6621 Darlington Rd. Pittsburgh 17, Pa. (Dwight B. Hendryx & Associates) HENLY, H. Maynard (M) 1376 River Ave., Pittsburgh 12, Pa. (Titanium Pigment Corp.) HENRAR, J. M. G. N. V. Porselein en Tegelfabriek MOSA MAASTRICHT ~f eerssenerweg Maastricht, ~etherlands HENRY, Edward C, (XFI) 1121 Westmoreland Ave. Syracuse 10, N. Y. (General Elec~ric Co.) HENRY. Frank R. (RF) Simonds Worden White Co, N. Summit St. & Negley PI. Dayton 7, Ohio HENRY, Georges Directeur General a/s Union des Verreries Mecaniques Belges. 41, Quai de Brabant Charleroi, Belgium HEXRY, Kenneth M. (GF) Owens Illinois Glass Co. 1700 X. Westwood Ave., Box 1035 Toledo 6, Ohio HE~SLER, J. R. (G) Chemical Research Lab. Bausch & Lomb Optical Co. Rochester 2, N. Y. HENSON, Charles W. (R) Norton Co., Worcester 6, Mass. HENSON, W. H. (R) 65 Whitman Rd., Worcester 5. Mass. (Norton Co.) HENWOOD, Reginald J. (R) 9444 Lynnhaven Rd. Cleveland 30, Ohio (Republic Steel Corp.) HEPLER, Ernest C. (R) 329 Andover Rd., Fairless Hills, Pa. (U. S. Steel Corp.) ROSTER 35 HEPPLEWHITE. J. 'N. (WFI) 13557 Cedar Rd .. Cle"eland 18. Ohi" (Ferro Corp. I HERBERT. John S. (S) 174 Third AYe., X., Xashville 3. Tenn. (W. G. Bush & Co.) HERBERT. John \\". (\\') 4647 .W. 150th St.. Cle"eland 11, Ohi" (Bru,h Electronics Co.) RGER. Howard C. (G) Pierce Glass Co.. Port Allegan). 1'3. HERKO. Edward <GJ) 4494 Cuh'er Rd . Sea Breeze. X. Y. (Bausch & Lomh Optical CO.1 HERMA~X. James L. (\\., 3288 Earlmar Dr. Los Angeles 64. Calif. (Redondo Tile Co.) HEROLD, Paul G. (XFI1 Missouri School of :>Iine,. Rolla. ~!" HERPEL. Clarence :>1. (S) Cherokee Station. Box 5 Louis\'ille 5. Ky. (Southern Brick & Tile Co .. Inc.l HERTZ ELL, E. A. (R) 1I II Chestnut St . Do\er. Ohio (Robinson Clay Products Co.) HESS. F. B. (G) Brockway Glass Co. Inc. Brockway, Pa. :. HESS. Robert L. (R) . ".:. 44 Hess Blvd. Lancaster, Pa. .. ~" (Armstrong Cork Co.) )i..I,:ESSINGER. liLt. Philip S. (RJIl :~;.:<,::. Box 8832. Wright Air Devclopment Ctr. . /!'..':,.,.... Wright-Patterson AFB;"Dayton. Ohio : <.::HEUER, Russell P. (RF) :r/c::. General Refractories Co. ,::;", ..;'. 1520 Locust St. Philadelphia 2. Pa. .;\({)mWITT, Arthur E. :'t~:< (W. T. Copeland & Sons Ltd.) ...'._ Spade Works, Stoke-on-Trent. England :{'~HEWITT. L. C. (RFI) i.'" . Laclede-Christ} Co. .::. ". 4705 Ridgewood Ave. St. Louis 16. :>10. . WLETT. James Thomas (E) . . Ingram-Richardson, Inc. ." Frankfort. Ind. . HICKS. James C. (B) R.R. 2, Box 870A, Los Altos. Calif. (Kaiser Aluminum & Chemical Corp.) HICKS. John F. G. (G) 131 Thompson Dr., Painted Post. ~, Y. (Coming Glass Works) . HICKS. Robert G. (E) 608 21st. Bettendorf. la. (Herman ~elSOfl Div . AAF) : HIERNAVX, Marcel .. ' 2, Lgue rUe d'Argile, Anvers, Belgium (Verreries des H amends) ..,. ...HIGGI~S. Ray (\\') ".<...j::.... . ]91 Overlook Ave.. Wadsworth, Ohio (Ohio Brass Co.) .. HIGGINS. Waldo W. (EFl) 655 S. Harrison Ave., Kankakee, Ill. (A. O. Smith Co'p., Permaglas Div.) HIGGS, Harold P. (B) 312 E. Scribner Ave .. DuBois. Pa. '. . (Jelfers Electronics) :: HIGMAN, John W . Co. (Robert J. Stone) 24 State St. ~ew York 4. ~. Y. HILDEBRA~D. David (Wn Box 963. Alfred. ~. Y. HILL. Dudley A. (~f) e. S. Testing Co., Inc. 1415 Park Ave.. Hoboken. X. J. . . HILL, Ercell C. (SF) ,." 114-23 196th St. St. Albans 12. X. Y. HILL. John R. (5) .:... . 403 Edgewater Apts. e. Charleston. W . Va. ';:" (Charleston Clay Products Co.) .~ ".' HILL, Lawrence 1. (G) . 507 Carver Blvd. Toledo 7, Ohio (Libbey,Owens-Ford Glass Co.) VOL. 33, No. IO (U);j4) ;'. HILL. \\'illiam B. (GJ) Corning Glass \\'orks Research & Development Div. Corning. X. Y. \"I",IIILLlXG. James L.. Jr. 12Q Maple A Altoona. Pa. HI"CKLEY. Arthur T. (RI Oldbury Electro-Chemical Co. "Iagar~ Falls. X. Y. II I" D. Stanley "The :>Iount." Etrnria Rd. Basford. Stoke-on-Trent. En!(land (Con,ulting Engineer) HI"DES, Stanl~y' V. (:>1) R~ l'nion A,e .. Pitt,hnrgh :-. Pa. I Femco Corp.) H!XDS. H. Clark (0) Harker Pottery Co. Ea,t Li'erpnol. Ohio !fIXKl"S. E. :\. (GJ TYl:art Valley .Gla" Co.. B"x :-03 \\ashington. Pa. HI"TZE, \\'ollmar W:son :\gatan 12, Bromolla. Sweden , :\. B. Ifoverken) HI RSSIG. Carl F. (G) 4554 \\'estway, Toledo 12. Ohio (Xational Lime & Stone Co.) III SCOCK. Harley J. (R) Fuller Merriam Co., Box 69 \Vest HaYen, Conn. HITCHINS. R. A. (R) Xational Refractories Co. Inc . 17th Floor. Lewis Tower Bldg. 225 S. 15th St., Philadelphia 2. Pa. HITXER. Jan K. (5) Zonolite Co . Box 217 Travelers Rest. S. C. HITZEMAN. Roger L. (WJI) Giobe-llnion Inc . 900 E. Keefe Ave. Milwaukee I, Wise. HOAGBI~. Joseph E. (B) 1200 W. Cross St . Ypsilanti. Mich. (University of Michigan) HOARE. Henry A. (W) 2655 5harondale Dr . K. E. Atlanta. Ga. (Georgia Sanitary Pottery. Inc.) HOBSOK. Joe P. (5) Acme Brick Co . Box 425 Fort Worth 2. Texas HOCKIXG. William J. (W) 1612 Pennsyh'ania Ave. East Liverpool, Ohio (Hall China Co.) HODGDO~. Frank B. (B) Box 44, Station B, Toledo 6. Ohio (Owens-Illinois Glass Co.) HODSOX. George K. The Hall. Wymeswold Xr. Loughborough. England (Hathernware. Ltd.) HODSOX. Jean E. R. R. 4. Box 85, Bothell, Wash. HOEHL. Joseph W. (E) Wolverine Porcelain Enameling Co. 3350 Scotten Ave . Detroit 10. Mich. HOELSCHER. Max W. (E) SOlO Mavfield Rd.. Lvndhurst 24. Ohio (Enamel' Products C~.) HOE:>tAX, Erwin C. (R) Dugway Proving Ground, Tooele. l.:tah HOEXIG, Clarence L. V niversity of Illinois Dept. of Ceramic Eng., Rm. 204 l.:rbana, Ill. HOFFMAX. Carl R. (G) 1308 Seventh St. :>Ioundsyille. W. Va. ( Fostoria Glass Co.) HOFFMAK. Sidney C. (G) 1646 Lindy Lane. Lexington. Ky. (Sylvania Electric Products, Inc.) HOFFMAN. Willard H. J. (W) 8 Dungarrie Rd .. Baltimore 28. Md. (Clinchfield Sand & Feldspar Corp.) HOFFXER. Jere R. (G) T. C. Wheaton Co . "Iillville. X. ]. HOFSTETTER. G. W. tEl Ferro Corp., 336-338 X. Central :"e. Chicago 44. Ill. HOGAX. Thomas \\'. (\\'1 Flintridge China Co. 350-380 S. Raymond An. Pasadena I. Calif. HOGEXDOBLER. H. R. (G) Gustin-Bacon Fairfax Inllustrials Dist. Kansa, City. Kans. HOGEXSO". Wilham (E) Chicago Vitreous Corp. 1425 S. 55th Court. Cicero 50. III HOB:>IA"". Frederick R. (G I 1012 I'ark\'iew :\\"C. Xew Kensington. Pa. (Pittsb"rgh Plate Glass Co.) HOLDEXER. Irwin K. (Ell HIll Top Tr. Ct.. Bedford. Ohi" HOLL. Barton :\. (S) Logan Clay Products Co.. Logan. Ohio HOLL. Barton S. (SI) 479 E. ~Iain St .. Logan, Ohio (Logan Clay Products Co.) HOLLEY. Kcnneth E. (R) 113 Pritchard Ave., Corning. X. Y. (Corning Glass \Yorks) HOL"fE5, Gregory J. Rutgers "Cniversity, 78 Easton Ave. New Brunswick. N. ]. HOLMES, John M. (5) 406 N. Steel St . Sanford, X. C. (Lee Brick & Tile Co.) HOLMES. Lyle A. (M) 82 Pilgrim Rd. Rossl)'n Farms Carnegie. Pa. (Great Lakes Foundry Sand Co.) HOLMES. Roland G. (5) W. S. Dickey Clay Mfg. Co., Box 402 Pittsburg, Kans. HOLMQUIST, Stig B. Box 54, Alfred, N. Y . HOLMSTROM. Joseph H. (Rl) 4316 Cedar Ave., Minneapolis. Minn. (General Refractories Co.) HOLSCHER, H. H. (GF) Owens-lIIinois Glass Co. Technical Center, 1700 Westwood A\e. Toledo I, Ohio HOLST, Tage Vinkelvej 10. Kongens Lyngby, Denmark (Porcelnsfabriken Danmark AI 5) HOLTERHOFF.A.Grny (M) 307 E. Fourth St.. Cincinnati 2. Ohio (National Sales Corp.) HOMMEL. E. M. (EF) O. Hommel Co . Box 475 Pittsburgh 30'. Pa. HOMMEL. 0., CO. (E. M. Hommel) Box 475, Pittsburgh 30. Pa. HONSBERG. Werner (W) Apartado 508, Mexico D. F . Mexico (Fabrica de Loza E1 Anfora. S. A.) HOOD. Clyde (G) 1922 E. 107th St.. Cleveland 6. Ohio (Leeds & Northrup Co.) HOOD. Harrison P. (GF) 260 Delevan Ave. Corning. N. Y. (Corning Glass Works) HOOPER, Bradford (R) 5 Point O'Woods Lane. Darien. Conn. (Babcock & Wilcox Co.) HOOVER. Charles H. (R) 609 Wilton Rd., Towson 4, Md. (General Refractories Co.) HOPKINS. C. R . Jr. (S) Hopkins Brothers. Box 897 Alliance. Ohio HOPKIKS. Robert W. (Gl) Calumite Co., Box 151 Hamilton, Ohio HOPPER, R. T. (D) Hanovia Chemical & Mfg. Co. I W. Central Ave . East Xewark. X. ]. ROSTER 37 I ; t I ~iM ':''HORAK, William (RFI) . :':..:"223 Raymond Rd. . .->: West Hartford 7, Conn. .; ... ;-..' (Hartford Empire Div., ":.;. Emhart ~lfg. Co.) 'HORN, William F. (GJ) ...... ,. 'R. R. 2, ~lonongahela, Pa. RNFISCHER, Harvey W. (W) .. ' 377 W. Brockton, Royal Oak, Mich. ,. :.: '. (Champion Spark Plug Co.) .HORNIKG, Roy A. (GFI) ,.::':...'; Armstrong Cork Co., Lancaster, Pa. :~.HORNUNG, Martin R. (WI) . ' ..::::. 140 E. Sheridan Ave., New Castle, Pa. .,',: .... '. (Shenango China, Inc.) . JIORTOK, Paul B. (WI) <:, .::> ,y~ Locke Dept., General Electric Co. Box 57. Baltimore 3, Md. :HOSSENLOPP. Arthur M. (WI) :....;..... 28 Kendall :\ '-e., ~faplewood, 1\. J. . '. (Henry L. Crowley & Co., Inc.) <::HOSTETTER, J. c. (GFI) ',,;. 1561 Dale A,e., Winter Park, Fla. .:~:(/=: . (Consultant) ~'HOUCHIXS. Henry R. (W) ,\,~.;::,. Carborundum Co., Niagara Falls, N. Y. ;UOUDESHELL. Robert J. (M) '::::~C;:{21S Basswood Ave., Apt. B '::;.}If.i' Dayton 5, Ohio ;':'Zf(International Clay Machinery Co.) '~;;;''1J9PGH, James T. '. - ,656 Llewellyn PI., Charlotte, N. C. GHTON, Amory (G) :The Knoll, Corning, N. Y. _ :'.(Corning Glass Works}--"-- ULAHAN. R. C. (S) "Builders Brick Co. /3800 Ninth Ave., S., Seattle, Wash. SE,-Roger 1. Box 787, Alfred, N. Y. SKA, Joseph 1. (R) /511 W. Marshall St., Norristown, Pa. ."\(E. J. Lavino & Co.) .USMAN, George S. (R) . Box 17, Norristown, Pa. :' STOK, M. Dean (RJ) :\loj;oi" 6317 Girard. Apt. 3 ~,;r~'.';' Cincinnati 13, Ohio '.~:F; (Cincinnati Milling Machine Co.) .:{':BOUZE, Armand 1., Sr. (G) . ':::j{~.: 1. J. Houze Convex Glass Co. ,;::?:,,,:., Point Marion Pa r!l,itOUZE, Armand' 1., Jr. (G) '::~:>;;V L. J. Houze Convex Glass Co. . ':-:~.';': Point Marion, Pa. :'.t,!lOUZE, L. ]., CONVEX GLASS CO. ,:'-ti',~:. (Armand L. Houze Sr.) )~:;:~':'Point Marion, Pa, ' , -ft'B()WAT, Walter 1. (DF) , :til"? t:'.'~f:.1.:( 85 Hoppi (Walter ng Ave., Staten .Island 7, Y, Howat Decorative CeramIcs) ~,~l!OWATSON, John (G) :;.,'-''':;> Box 248, Big Flats, N. Y. ~~-if (Corning Glass Works) :,:~.....OWATT, Glenn (W) ;~i;~;;" Bldg. 6B, Apt. 3, Redfield Village ."",,:.,;:' .. Metuchen, N. J. ;~i.i:: (Glenco Corp.) ,;;SiIiOWE, Elroy E. (El) "'/i~~r"" Chicago Vi treous Corp. ;',": '. 1425 S. 55th Court, Cicero 50, Ill. . ):.HOWER, Lawrence D., Jr. (RI) :,{~::: Raybestos Div., 75 E. Main St. .:\,,"."" Stratford, Conn, ,;t~JiOWER, R. S. (B) .\:\'" . Allen Bradley Co., Milwaukee, Wisc. ~:?)i;OWIE, Thomas W. ~l;r:.: Campbell & Co. (Roughcastle) Ltd. i~~:'"'' Roughcastle Works, Falkirk, Scotland :',: HOYET, Eugene (G) :. ::'" . ' R..R. 2, Box 332, Tarentum, Pa. ; (Pittsburgh Plate Glass Co.) '\..;>12: . , Ku-hua 1, King's Terrace, 1st Floor -./';.;;': Kowloon, Hongkong, B,C.C. (Kiu Foong Enamel Factory (H.K.) '.' Ltd.) .'tTOL. 33, !\o. 10 (Hl5-l) HUBER, George S. (EJ) 509 F Castle Dr., Baltimore 12, Md. (Pemco Corp.) HCBER, Harold V. (G) 1300 Rancho Rd. Arcadia, Calif. HUBER, ]. M., CCTRP. (H. F. Jones, Jr.) 100 Park Ave, Kew York, N. Y. HUBLER, William G. (M) Lakefield Research Ltd., Box 430 Lakefield, ant., Canada Ht.:'DSOX, Charles J. (R) 74 l\ewton St.; West Boylston. Mass . HUDSON SUPPLY & EQUIPMENT CO. (H. W. Heine) 1727 Pennsylvania Ave., l\. \\'. Washington 6, D. C. Hl'ETT1G, Fred R. (WI) 21B-3 Redfield Village Metuchen, l\. J. (General Ceramics & Steatite Corp.) HL'FFCl'T, Harold W. (W) Westinghouse Electric Corp . Electronic Tube Div., Box 284 Elmira, l\. Y. HUFFORD MACHINE WORKS, INC. (H. P. Smith, Jr.) 1700 E. Grand Ave., EI Segundo, Calif. HUGHES, George B. (E) 236 Indiana Ave" Dayton 10, Ohio (Frigidaire Div., General Motors Corp.) HUGHES, Walter M. (WI) 534 Putnam Ave., Zanesville, Ohio (Chicago Standard Transformer Corp.) HUI, William L. C. (G) 323 W, Highland Ave., Marion, Ind. (RCA Victor Div.) HULL, J. Brannon (M) Hull Pottery Co. Crooksville, Ohio HULL POTTERY CO. (J. Brannon Hull) Crooksville, Ohio HULSE, Charles O. 2240 Dwight Way, Berkeley 4, Calif. HUMENIK, Michael, Jr, (R) 28477 Parkwood Dr., Inkster, Mich . (Ford Motor Co.) Ht'MMEL, Floyd A. (B) College of Mineral Industries Pennsylvania State University State College, Pa. HUMMEL, Richard (G) 615 Olympia Rd., Pittsburgh 11, Pa. (Harshaw Chemical Co.) HVMMEL, Roy (W) 4318 Grantley Rd., Toledo 13, Ohio (Champion Spark Plug Co,) HUMPHREY, Richard A. (W) Mycalex Corp. of America Clifton Blvd.. Clifton, N. J. HUMPHRYES MANUFACTURING CO. (D. J. Jones) 201 E. Fifth St. Mansfield, Ohio HUND, George J. (W) Columbia Dr., Chester, W. Va. (Taylor, Smith & Taylor Co.) HUNT, Charles W. (W) 154 Vincent St" Chagrin Falls, Ohio (CertainTeed Products Corp.) HUKT, Frank S. (WI) 2494 Page Dr., Altadena, Calif. HCNT, Herbert J. (G) Kimble Glass Co., Vineland, N. J. HUNT, John F. (MI) Pacific Korthwest Alloys, Inc. Coquille, Ore. HUNTER, Charles E. (M) Box 226, Erwin, Tenn. (Consolidated Feldspar Dept., International Minerals & Chemical Corp.) HUNTING, Everett C. (BI) 2030 Grove St., Berkeley 3, Calif. (Microchemical Specialties Co.) HUPPERT, Paul A. (EI) 414 Randolph Rd., Plainfield, N. J. (General Ceramics Corp.) HURD, Burgess M, (W) 3 Windy Crest Rd., Beaver Falls, Pa. (Ceramic Color & Chem. Mfg. Co.) HCRLBl:T, Wendell P. III (XJ) 2105 Sunset Ave., Seattle 6, ""ash. Ht'RLEY, Robert C. (SJj 346 Third St. S. W. Medicine Hat, Alta., Canada (Medicine Hat Brick & Tile) HURLEY, Robert E. (B) 469 Camden :\ 'e. Moorestown, Burlington County, N. J. (RCA Victor I HURSH, Ralph K. (XFl) University of Illinois, Urbana, Ill. Ht'RST, Erwin J. (\\') General Ceramics Corp. Plant 3, Resea rch Dept. Keasbey, X. J. HURST, Thomas L. (R) Monsanh) Chemical Co. Columbia, Tenn. Ht'TCH, Herbert T. (W) 421 Parker St., Xewark 4, N. J . (Ceramic Age) HUTCHISON, Clark (E) 709 E. Armstrong St .. Frankfort, Ind. (Ingram Richardson, Inc.) HUTCHISON, R. C. (RI) 2133 Kewton Ave., Bethlehem, Pa, (Bethlehem Steel Co.) HUTT, Glenn A. (E) 19629 Scottsdale Bhd. Shaker Heights 22, Ohio (Ferro Corp.) HUTT, Gordon :'1. (R) Canadian Pacific Railway, Rm. 703 Windsor Sta., ~iontreal, Que., Canada HUYCK, 1. G. (E) Huyck Construction Co, 2946 N, 78th Court Elmwood Park 35, Ill. HVID, Niels AIS Bing & Grondahls Porcellaensfabrik 95, Valby Langgade Copenhagen, Valby, Denmark HYATT, Edmond P. (B) Dept. of Ceramics, University of Utah Salt Lake City, Vtah HYDE, Collin (RI) 581 Oxford St., Worthington, Ohio (Battelle ~Iemorial Institute) HYLAXD, J. A. (M) Pacific Coast Borax Co. 2295 Lumber St., Chicago 16, Ill.. HYl\ES, Frank J. (\\'Il Oxhow Rd., South Lincoln, ;\bss. (Raytheon ~Ifg. Co.) HYOLLE, Andre Societe Generale de Carrelages 37, rue Leon Blum Feignies (Xonll, France HYSLOP, Joseph F. uDromore," Major's Loan Falkirk, Scotland (J. G. Stein & Co., Ltd.) IA~DER, J. Richard (M) Pacific Coast Ceramic l\'ews 509 S. Be\'erly Dr. Beverly Hills, Calif. KHIKAW A, Yoshio 229 Valley Ave. Wahiawa, Oahu, Hawaii IHRIG, Allen C. (G) 127 Corning BI\'d., Corning, N, Y, (Corning Glass Works) ILES, Ramon R. (G) 2223 St. James Ct., Owensboro, Ky. (General Electric Co.) ILIFF, Fred K. (W) Harshaw Chemical Co. Jackson & Swanson Sts. Philadelphia, Pa. ILLING, Arno M, (W) 5412 Laconia, Cincinnati 37, Ohio (Cambridge Tile ~Hg. Co.) ROSTER 39 J 1 I t t I,, NOIS CLAY PRODUCTS CO. ~'(Otis L. Jones) 68 N. Chicago St. 'Joliet, III. ','I LYN, Alexis V. ;:rtYiA83 Bevier Rd., Cniversity Heights ;:;.gJt~:'New Brunswick, N. J. " d. l lO' FF, Edward J. (M) ,.' 'nited States Glass Co. <',ic, lassport, Pa. MEDIATO, Robert R. (WJI) :::',(&.::'~,662 Ashland St., Korth Adams, Mass. :pIMPERIAL GLASS CORP. 'Y:;f.hJc. J. Uhrmann) Bellaire, Ohio :~r-;::;:::~'N. D(ClhAaNrAlesG LASS CO. L. Gaunt) Dunkirk, Ind, 'i~1NDlAN CERAMIC SOCIETY ;;fc1!i':!':(H. No Roy) Dept of Ceramics ">~~;~:';', Benares Hindu Cni,., Benares, India ~'.;,~INDUSTRIAL CERAMIC "'<c.:~' PRODUCTS, INC. (c. R. Oberst) ;";;<.-;;,965 W. Fifth A'e., Columbus 8, Ohio ::fi:.c:~j1N:':Dil-Y18KMAonltbeerrety D. St. .;;~'\1;\:Kogarah, N.S.W., Australia 1f.:'."!::'Ducon Condensers Pty. Ltd.) ,.., 'ERSOLL, Harry (E) 5429 N. Tyler Ave. emple City, Calif. ;(Pemco Corp.) IIAM, David (M) 2794' St. Clair Ave. :East Liverpool, Ohio . H. B. Henderson & Co.) . UF, Robert ( G ) . Saint-Gobain Inc., Suite...S-:ZOO~ Soo Fifth Ave., New York 36, N. Y. RAM-RICHARDSON. INC. :(R. H. Coin) Frankfort, Ind. EY, Herbert (BF) )219 Farrington Rd. ~:Washington 16, D. C. ,-<Consulting Mineralogist) EY, Robert H. (B) ~Cbampion Spark Plug Co., Ceramic Div. " 525 Butler Ave., Detroit II, Mich. RNATIONAL CERAMIC '" INING, LTD. (L. Douglas MacKie) '~~::';.':5ii Eglinton Ave.. W. ~?::s';:;Toronto 12. Ont., Canada NNTERNATIONAL COMMISSION 0\;" ON GLASS (B. P. Dudding) ;,'::\:c,c:. Research Laboratories :~(if'i'General Electric Co., Ltd. ~;\:;LWembley. Middlesex. England S;(:l!iJTERNATIONAL CLAY t~;;,:MACHINERY CO. (R. H. McElroy) , c:.'. 1145 Bolander A,"e.. Dayton, Ohio TERNATIONAL MINERALS & . <,CHEMICAL CORP" ..)ff,t'CONSOLIDATED FELDSPAR ,_~.to'; DEPT. (H. B. DuBois) X~~VErwin, Tenn. \::;!RELAND, John ;?:~:"-- 'International Tin Research Council 'ico::',:"':, Fraser Rd i~J'i;'.~: Greenford: Middlesex, England ,': IRONTON FIRE BRICK CO. :~:< (J. H. Rickey, Jr.) Box 124 .::" - Ironton, Ohio :;~'IRVINE, George C. (MI) :;::::.:;.- Canadian Carborundum Co., Ltd. '.':\., Niagara Falls, Ont., Canada :IRWIN, Joseph T. (E) 1618 Elmwood Ave., Lakewood 7, Ohio ':./':. (Consultant) ;'i}~WIN, Philip P. (W) :'-Y: Potters Supply Co. -c',.' East Liverpool, Ohio ',:IRWIN, William W. (W) :;,::,\ Potters Supply Co. " '. East Liverpool, Ohio "IICS' Richard P. (M) '; Elmwood Dr., Livingston, N. J. ',. ammill & Gillespie, Inc.) :. GAWA, Jun , ..;. Nippon Toki Kaisha, Ltd. #1, Noritakeshinmachi, Nishiku Nagoya, Japan ,VOL. 33, No. 10 (1954) ISEKHOUR, C. W., Jr. (S) Box 1249, Salisbury, N. C. (Isenhour Brick & Tile Co.) ISENHOUR, John H. (SF) 215 Confederate Ave., Salisbury, N. C. (Isenhour Brick & Tile Co.) ISOLDI, Virgilio Ceramica Sao Caetano SI A Caixa Postal 278, Sao Paulo, Brazil ITO, Shozo Kippon Gaishi Kaisha, Ltd. I, 2-Chome, Horita-dori, Mizuho-ku Kagoya, Japan' ' ITSCH:\ER, Robert Tannenrauchstrasse 106 Zurich 38, Switzerland IVES, John B. (RI) 18 Standish St., Frostburg, Md. (Big Savage Refractories Corp.) J JABBUSCH, Arthur J. (S) Box 218-A, Phenix City, Ala. (Dixie Brick Co., Inc.) JACKEL, Roland D. (X) 2055 Trumbull Terrace, N. W. Washington II, D. C. (Kaiser Electronic Div., Willys Motor Co.) JACKSON, A. Curtis (SFI) Robinson Brick & Tile Co. 500 S. Santa Fe Dr., Denver, Colo. JACKSON, James "Ashgrove," St. Andrews Ave. Bothwel1, Lanarkshire, Scotland JACKSON, Mary A. 486 Boynton Ave., Berkeley 7, Calif. JACKSON VITRIFIED CHINA CO. (Philip R. Distillator) 2 West St. Pelham Manor 65, N. Y. JACKSON, Wharton (M) Petroleum Bldg., 714 W. Olympic Blvd. Los Angeles IS, Calif. (Wharton Jackson Co.) JACKSON, William M., II (W) 32 Oakland St., Watertown, Mass. (Godfrey L. Cabot, Inc.) JACOB, Bernard T. (RI) National Crucible Co. Philadelphia 18, Pa. JACOBS, Charles W. F. (W) 19 A Longmeadow Rd. Eggertsville 23, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) JACOBS, H. Box 117, Vereeniging Transvaal, South Africa JACOBS, Louis J. (R) Ramtite Co., 2563 W. 18th St. Chicago 8, Ill. JACOBS, Richard A. (G) Brockway Glass Co., Inc. Brockway, Pa. JACOBSON, Edwin (GJI) CBS-Hytron, Kalamazoo, Mich. JACOBY, William R. 241 Upson Lane, University Heights New Brunswick, N. J. JAFFE, Bernard (WI) 1446 Kanawha St., Hyattsville, Md. (National Bureau of Standards) JAMESON, Robert J. (G) Libbey-OwensFord Glass Co. 1701 E. Broadway, Toledo 5, Ohio JAMISON, William D., Jr. (S) 131 Orchard Spring Rd. Pittsburgh 20, Pa. (D. B. Hendryx & Associates) JA:\ES, Clinton S.. Jr. (GJ) 123 Oakwood Ave. Elmira Heights. N. Y. (Corning Glass Works) JANOWITCH. Joseph H. Box 746. Alfred, N. Y. JANSMA, Frank (M) B. F. Drakenfeld & Co., Inc. Washington, Pa. JANSSEN, William F. (M) 15 Oak Ridge Rd., Basking Ridge, N. J. (Bell Telephone Labs.) JASPER, Stanley J. 439 E. 32nd St., Paterson, N. J. JEFFERS, Phillip E. (RJ) Box 125, Gardner, Ill. JEFFERY, Benjamin A. (W) Box 32, Tumacacori, Ariz. JEFFREY, G. H. (W) Roder Ceramic Studio, 1331 Race St. Philadelphia 7, Pa. JEFFRIES, J. J. (G) Swindell Brothers, Inc. Bayard & Russell Sts. Baltimore 30, Md. JELINEK, James W. (I) 1203 Seventh Ave., Marion, Ia. JENKS, C. E. (M) W. S. Tyler Co. 3615 Superior Ave., N. E. Cleveland 14, Ohio JENNINGS, James W. (E) Quaker Silver Co., Inc. North Attleboro, Mass. JEPPSON, George N. (RF) Norton Co., Worcester 6, Mass. JEPPSON, John (R) 40 Westwood Dr., Worcester, Mass. (Norton Co.) JERO. Parker (E) 119 Riverview Ct.-CMR 158 Peoria Heights, Ill. (Caterpillar Tractor Co.) JIMMERSON, James E. (X) Henderson Clay Products, Box 870 Henderson, Texas JOHNS-MANVILLE SALES CORP. U. C. Crawford, Jr.) 22 E. 40th St. New York 16, N. Y. JOHNS, Wil1iam V. (W) Shenango China Inc., New Castle, Pa. JOHNSON, Alexander H. H. L. Brisbane & Wunderlich Ltd. Lord St., East Perth. West Australia JOHNSON, Alton E. (WI) 4903 N. 53rd St., Milwaukee, Wisc. (Globe-Union, Inc.) JOHNSON, A. L. (WF) Universal-Rundle Corp. New Castle, Pa. JOH:\SON, A. M. (R) Ross- Tacony Crucible Co. Tacony, Philadelphia 35, Pa. JOHNSON, Ben 804 W. 15th, Spokane 41, Wash. JOHNSON, Boyd M. (R) Carborundum Co., Box 268 Perth Amboy, N. J . JOHNSON, Delmar ,A. (G) 94 E. Third St., Corning, N. Y. (Corning Glass Works) JOHNSON, Earle K. (S) Eureka Brick & Tile Co. Clarksville, Ark. JOHNSON, Elwin L. 903 W. Green St., Urbana, Ill. JOHNSON, Fred H., Jr. (S) Summitville, Ohio (Summitville Tiles Inc.) JOHNSON, George E., Jr. (WI) Gladding. McBean & Co. Pittsburg. Calif. TOHXSON, Gordon H. (E) . 5425 Knollwood Dr., Apt. 4 Parma 29. Ohio (Ferro Corp.) JOHNSON, Harold C. (G) Corning Glass Works Laboratory Cbrning. N. Y. JOHNSON, ]. A. Service Engineers. Ltd., Leek Kew R,l Cobridge. Burslem Stoke-on-Trent, England JOH!\SON, James E. (I) 3173 Herrick Rd., Columbus, Ohio JOHNSON. James R. (BI) 109 Kewberry Circle. Oak Ridge. Tenn. (Union Carbide & Carbon) ROSTER 41 j 1 I 'JOHri:SOK, LeRoy A, (E) 1206 Cleveland St., E,'anston, III. (Chicago Vitreous Corp.) JOHri:SOK, Paul V. (5) Structural Clay Products Research Foundation. 20 N. 'Vacker Dr. t fiCagO 6, m. 'SOK, Richard C. ' . 4 Perine St., Dansville, N. Y. HNSTON, J. G. Leeds Fireclay Co., Ltd. . ' . Wortley, Leeds 12, England . JOHNSTO~, James K. (M) . R. R. 5. Hagerstown. Md. " (Fairchild Aircraft Di,.) JOLLEY, Robert \\'. (R) . 19 Brook St., Xewington, Conn. (Hartford-Empire Co.) JONES, Cecil M., II IR) 2814 Jordan St. Fleming Heights Augusta. Ga. ~:., (Babcock & Wilcox Co.) ~,:: JONES, D. J. (E) ~~)': Humphryes Mfg. Co. ~;".'_.:'.'."" 201 E. Fifth St., Mansfield, Ohio *!.~~9NES, Edgar (R) 'c",;'" 426 Old Lancaster Rd. :;R;'''':~f:f.~';'.. Haverford, Pa. (Babcock & Wilcox Co.) ''T.: ONES, Frank L. (G) . Windsor Rd.. Fox Chapel " Pittsburgh 15, Pa. I,. ',(Koppers Co. Inc.) NES, George A. (G) 'Box 112, East Sparta, Ohio ", (U. S, Quarry Tile Co.) . ONES, H. F . Jr. (W) :.:. ]. M. Huber Corn. 100 Park Ave. .':':. New York, N. Y. NES, Harlow G. (B) Mid West Abrasive Co. ,:, 510 S. Washington St., Owosso, Mich. .ONES, Howard E., Jr. (R) .. 19150 Robson, Detroit 35, Mich. (Davis Fire Brick Co.) ES, James M. " 832 S. Vine St., Orrville, Ohio JONES. Maynard J. (E) }:',.'... P{audler Co., 1000 West Ave. h)~~~~;.':.J'.ONREoSchMesEteTr A1L1, N. Y. PRODUCTS CO. . .', ,, ~~:~.\~~": (Edw' inF. Mi U l '19an) ~:~:~ . West L:afayette. Ohio . I. ,.,.: .,'lONES. OilS L. (R) ;;.?:..... Illinois Clay Products Co. ;:"-""':- 68 N. Chicago .St., Joliet, Ill. 'lONES. Paul R. (X) :.' . Mineral Industries Bldg. West Virginia University ~;:"Y\":",:i.'yj'''~:l;/JONPMEiSot trsgbRaunirctgohhwa rndP, l a'EVt.e. Va. (R) Glass Co. .":'.<';:' Research Laboratory. Creighton, Pa. ~';;lONES, Robert O. (R) . Box 3, Gabbs, Kev. , (Standard Slag Co.) JONES. Lt. Col. Rodney A. (E) Headquarters ARDC, Box 1395 Baltimore. Md. . JONTZ, Melvin L. (M) United Clay ~fines Corp. 5028 Alhambra Ave. Los Angeles 32. Calif. JORDAN, John K. (G) Consumers Glass Co. Ltd. Box 456, Station B. Montreal. Que., Canada :JORDAN, John W. (M) .. Baroid Sales Div . National Lead Co. Box 1675, Houston 1, Texas ORDAN, R. E .. Jr. (W) Mosaic Tile Co.. Zanesville, Ohio ROAN, Thomas B. (S) Mosaic Tile Co. 829 N. Highland Ave. Hollywood 38. Calif. JORDO!". Duane R. 220 Belmont ..... ve., Oneida, N. Y. VOL. 33, No. 10 (1954) JOSEPH, A. David (BJ) Box 3, Alfred, ri:. Y. (Kew York State College of Ceramics) JaVA BRICK WORKS (J. L. Jova) Roseton, N. Y. JOVA, J. L. (5) Jova Brick \\'orks, Roseton, N. Y. JOYNER, Bobby L. (W) 203 Lighthouse St., Erie, Pa. (Erie Resistor Corp.) jVELSS, David (M) American Lead Pencil Co. 500 Willow Ave., Hohoken. N. J . K KADEY, Frederic L., jr. (B) 1825 Quimby Lane, Westfield. N. J. (Johns- ~lan\'ille Corp.) KAHLSON, W. S. (G) General Electric, Co., Lamp Dept Pitney Glass Works. Xela Park 12 Cleveland, Ohio KALLCP. Charles. Jr. BOlt 326. Olive Hill, Ky. KALMA~, Frank R. (EI) 2808 Mayfield Rd., Apt. 405 Cleveland Heights 18, Ohio (Pemco Corp.) KALOUSEK, George L. (G) 2633 Merrimac Blvd., Toledo 6, Ohio (Owens-Illinois Glass Co.) KAMICH, Barnet Z. (B) 11 Garwood St., South River, K. J. (Anny Ordnance Corps) KAKE. John L. (X) 7050 Glen Meadow Lane Cincinnati, Ohio (Cincinnati Milling Machine Co.) KANT~'iER. Ogden A. (M) R. R. 1, Pennington, N. J. (l'nited Clay Mines Corp.) KARKHANAVALA. M. D. 239. Botawala Bldg., Tardeo Bombay 7. India (Atomic Energ)' Commission) KAST, Henry G. Box F F. Alfred. N. Y, KASTEN, Vernon L. (WI) Three Oaks, Box 84, Jackson, Mo, (Ceramo Co. Inc.) KATNACK, Fred. Jr. Saw Mill Rd . Cold Spring Harbor, N. Y. KATZ. Joseph M, (WI) General Ceramics Corp. Crows Mill Rd" Keasbey, N. J. KATZ. Sigmund (W) Orange Ceramic Lab. 17 Ken~ Terrace, "Vest Orange, N. J. KAUFFMAN, John R. (MFI) Tuttle & Kift, Inc. Subsidiary Ferro Corp, 1823 N. Monitor Ave,. Chicago 39, Ill. KAlTZ. Karl (EFI) 24 Leon Rd., Pittsburgh 20, Pa. (Vitro Mfg. Co.) KAY. William T. (R) E. J. Bartells Co. 1212 Sixth Ave., 5" Seattle 4. Wash. KAYLOR, William B. BOlt 4337, Va. Tech. Sta. Blackshurg. Va. KAYSER, Julius A. (R) Gladding. McBean & Co. 2901 Los Feliz Bin\. Los Angeles 39, Calif. KEAKEY, J. C. (G) 1201 Banksville Rd . Pittsburgh 16, Pa. (National Lime & Stone Co.) KEARNEY, John P. (G) 2723 Densmore Dr., Toledo. Ohio (Kimble Glass Co.) KEBLER. Leonard (E) Ward Leonard Electric Co. Mt. Vernon. N. Y, KEENER, Harry J, (G) General Color & Chemical Co., Inc. Box 7. Minena. Ohio KEITH, Wendell P. (RI) 1234 E. Sixth St.. Whittier, Calif. l Calmo Engineering Co.1 KELLENBERGER. George E. (Gl Niles Glass 'Norks 403 K. Main, Kiles, Ohio KELLER, Francis Pfungen. Switzerland (Keller & Cie. A.G.) KELLEY, J. A. (M) Zonolite Co., Travelers Rest, S. C. KELLY, Austin J. (El 224 Glasgow St.. Guelph, Ont . Canada (Guelph Stove Co.. Ltd.\ KELLY. Hal J. (Rl 4714 20th?\. E .. Seattle 5, \\'3,h. (C. S. Bureau of :\linesl KELLY. John V. (R) Kai'er Steel Corp. Box 217. Fontana. Calif. KELLY, \\'illi~1T1 J. (\\'1\ Box 188. Hondo, Texas (Universal-Rundle Corp.) KELSEY, V. V. (11F) Dominion :\finerals Dh.. Ri"erton Lime & Stone Co. Inc. Piney Rher. Va. KELSO. Marjorie P. 2091 California St .. Berkeley, Calif. KELTOX, Stanton c.. Jr. (G) Rohm & Haas Co.. Bristol, Pa. KDfP. John A .. Jr. (W) 22509 Gayc-est :h'e. Torrance, Calif. (American Radiator & Standard Sanitary Corp.) KEMPF. William C. (RI) 28 Homer PI.. :\fetuchen. N. J . (Carborundum Co.) KENAGY, William L. (RI) Huntingdon Valle)'. Pa. (Simonds Abrasive Co,) KENDRICK. Th"mas B. (G) L~ncaster Lens Co. 220-226 \\'. Main St.. Lancaster, Ohio KEN?\EDY. Richard W. (W) Star Porcelain Co. Box 1329. Trenton 7. K. J. KEKT, Joseph P. (WI) 247 Starr St.. Brooklyn 37, N. Y. (Le"iton ~Hg. Co .. Inc.) KENT, N. Johnson (Rn Johns-~fanville Sales Corp. 22 E. 40th St .. New York 16. K. Y. KENT. William B. (WI) W. S. George Potter)' Co. Canonsburg. Pa. KENTUCKY CLAY MINING CO. (W. .T. Watkins) Mayfield, Ky. KENTUCKY-TENNESSEE CLAY CO.. INC, (Chester Gulick) 807 Cit, Savinl(s Bldg. Alliance. Ohio KENWORTH. Orville O. (B) 1486 Arthur Ave., Lakewood 7. Ohio (Ferro Corp.) KENYOK. Clark (W) Frenchtown Porcelain Co. F'enchtown, N. J. KEPKA. George M. (E\) Braun Corp., 2260 E. 15th St. Los Angeles 21. Calif. KEPLINGER. Robert B. (RFl) Carroll Clay Co. Box 56. Carrollton. Ohio KERIKS. M. P . Jr. (E) Stauffer Chemical Co. 380 Madison Ave . New York, N. Y, KERLA. Hans (R) 525 Beaumont :\\-e .. Baltimore 12. Md. (Kerloid Corp,) KERPER, Matthew J. (Bl) National Bureau of Standards Di\'. 9.3. Washington 25, D. C. KERR. Charles H. (GF) 2861 Chatsworth Blvd. San Diego 6, Calif. KERR, W. Raymond (RF1) Armstrong Cork Co. Box 441, Beaver Falls, Pa, ROSTER 45 j:I.. I, -----------------11;_0__2II1II' .2 .." ".;, .~:;.. ':-,' ,. ,~~. KERSH1'\ER, William G. (W1) ",117 S. 14th St., Olean, X. Y. ""/ (Olean Tile Co.) KIBLER, H. W. (W) ,c"Southern Potteries, Inc, , BOx 279, Erwin, Tenn. ' L, Harry R. (G) Chemung St., Corning, K Y. ming Glass Works) W, Paul F. (RJ) ", 243'/. College Ave., Elmira Heights .' . Elmira, N. Y. :.' (Westinghouse Electric Corp.) KILGORE CERAMICS CORP. (D. H. Walkup) Box 1619 . Kilgore, Texas KIMBLE GLASS CO. (H. R. Black) . '2626 Dorr St., Toledo, Ohio KIMES, A. W. lG) NatiolllJ/ Glass Budget 800 Grogan Bldg., 5-11 Wood St. '. /':Pittsburgh 22, Pa. KiMPEL, Robert F. (R) ';, '1138 N. Alameda Ave., Azusa, Calif. . ';>';(Aerojet General Corp.) :KnlPTON, Dudley D. (G) jq;~1607 W. Park !,"ve., Cbampaign, Ill. . ,::':".,(-Anderson PhYSIcal Lab.) KING, Burnham W., Jr. (BFI) ,~:(2S64 Welsford Rd., Columbus 21, Ohio :..JF;f(Battelle Memorial Institute) ;;~G, Charles B. (G) , .. 89 Cedar St., Coming, N. Y. Coming Glass Works) ~G; Harry M. (M]) __."./ ~ 39 Washington PI., Sycamore, Ill. G; 'Leon A. (W) :.R.W. Delaware St., Woodbury, N. J. M. (~FI) . rd Hall, Ohio State Univ. lumbus 10, Ohio " Robert G. (W) ~3 N. Center St., Grove Cit), Pa. (Vitro Mfg. Co.) . Walter F. (M) S Arborlea Ave., Morrisville, Pa. henandoah Silica Co., Inc.) <PNGERY. W. D. (B) ""'~:',Ceramics Div., Mass, Inst. of Tech. ';'~~:"Cambridge, Mass. ;:lCINGMAN, W. W. (M) :::~R;'i Georgia Pigment Co., Sandersville, Ga. .::~SMAN, Bradley Q. (XJI) ';.,:;;:;.,:;" Louis Bellanca .>,;;'- S9 Bemis Ave., Hornell, N. Y. ~':~plCHER, Paul J. e.G) .;~\:Maryland Glass Corp. :re?2147 Wicomico St., Baltimore 30, Md. .,'t:::",,,..RCHER, Wolfgang (22b) Eisenberg/Pfalz 'i,,:.q ;;.Tiefenthalerstr 16, Germany Y~~CHNER, Henry P., Jr. :,~i: 'c' Box 213, Pine Grove Mills, Pa. ~;~. Edwin (D) "'~;"~/,U. S. National Museum ,;?~~~~shington 25, D. C. ,<~KKENDALE, G. A. (SI) ':\~'ii~ Dept. of Ceramic Engineering ::.'.;i/ New York State Col1ege of Ceramics :-':,'::' Alfred, N. Y. ;.. ~PATRICK, Frank (WFI) "1':/ 41 Fifth St., Apt. C {b Hermo~ Beach. Calif. :.... (GladdlDg, McBean & Co.) /.::~~RSCH, Alfred J. (R) .',s''';: ,48 Center St .. Hornell, K Y. ';'f'.':- (Mullite Refractories Co.) ,~;'~NE, Frank (G) ,.::r.'f... Corning Glass Works, Corning, N. Y. '~Y~US' Irving (W1 : . t 19-B Hawthorne Dr. 'l:'- ew Brunswick, N. ]. .: Vitro Corp; of America) f;,,,-, US, Sol c., Jr. (W) ..". it"', SO S. Munn Ave.. Apt. 804 ;~"'y. East Orange, N. J. :;>::;.'. (Automatic Mfg. Corp.) ';iVOL. 3:l, !"O. 10 (1954) ~~~'::'tf~: KLAeSMAl'iN, H. (G) Baker & Co., Inc. 113 Astor St., Newark, X. J. KCEEMA:-I, Lee A. (R) Box 568, l'iew Orleans 7, La. (Harbison-Walker .Refractories Co.) KLEIMAN, Martin M. W. (M) 270 Selkirk Ave. Winnipeg, Man., Canada (Red Devil Heating & Mfg. Co.) KLEKOTKA, Joseph F. (G) 3601 Reed St.. Philadelphia 46, Pac (Philadelphia Naval Base) KLEVE!';'S, H. B. (B) ~lellon Institute l'niversity of Pittsburgh Piltsburgh 13, Pa. KLEYMEYER, Clifford A. (S1 Standard .Brick & Tile Corp. Evansville 8, Ind. KLBIA1'\, Morton I. . 6 Sulton St., Maltapan 26, Mass. 1\:UXE, Hugh L. (G) Corhart Refractories Co., Inc. 1600 W. Lee St., Louisville 10, 1\:y. KUXEFELTER, T. A. (MFI) Box 201, Norris, Tenn. (U. S. Bureau of Mines) 1\:UPPER, Joseph (X) Clipper Diamond Tool Co., Inc. 21 W. 46th St., New York 36, N. Y. 1\:LOCKE, Edward J. (M) H. C. Spinks Clay Co., Inc, 1000 First National Bank Bldg. Cincinnati 2, Ohio KLOCK1'\ER, Herman Richard (E) Research Laboratory UniversalRundle Corp. New Castle, Pa. KNAPP, Robert C. (W) 26 Virginia Ave., N. W. Glen Burnie, Md. (Locke Dept., General Electric Co.) KXAPP, Thomas E. (W) 1314 Wilmington Ave., New Castle, Pa. (Shenango China, Inc.) KNAPP, William J. (Bl) Dept. of Engineering University of California Los Angeles 24, Calif. KNAUF, Mr. Deutsche Keramische Gesellschaft Poppelsdorferallee 15, Bonn, Germany KKAUFT, Robert W. (R) Charles Taylor Sons Co. Box 58, Annex Station Cincinnati 14, Ohio KXECHT. Albert O. (WI) 201 Edgewood Ave.. New Castle, Pa, (Universal-Rundle Corp.) 1\:NIGHT, E. H. (S) Maurice A. Knight Sons Co. Box ISO, Crooksville, Ohio KNIGHT, M. A., Jr. (5) ~laurice .A. Knight, "Knight-Ware" Box Ill. Akron 9, Ohio KNIGHT, MAURICE A., "KNIGHTWARE" (M. A. Knight, Jr.) Box III, Akron 9, Ohio KNIGHT, :Mellen A. (G) Central Research Dept. Minnesota Mining & Mfg. Co. 367 Grove St., St. Paull. Minn. KNIGHTOX, Heywood J. (G) 83-1 Trombley Rd. Grosse Pointe Park 30, Mich. (Ford Motor Co.) KNIZEK, Jan Otto (R) Apartado 2739, Mexico, D. F. Mexico (Compania Mexicana de Tubos de Albanal. S. A.) 1\:XOBLAVGH. \Valter C. (RI) 5121'\. Washington St., Tiffin 9, Ohio (Basic Refractories, Inc.) KXOPF, Eugene G, 162 Bevier Rd., New Brunswick, N. J . KNOWLES, EDWIN M" CHINA CO. Newell, W. Va. 1\:1\OWLES. Philip S, lSi -141 E. Buford Rd., Macon, Ga. (Cherokee Brick & Tile Co.) KXOWLES, William V. (EF) 8905 Champlain Ave. 1\iagara Falls. 1\. Y. KXOWLTON, Samuel H. (M) 610 1'\ew Center Bldg., Detroit 2, ~Iil'h. (Aluminum Co. of America) KXOX, Jame, ,T. (G1 5 Meinzer St .. chene!, )J. J. (Knox Lahoratories, Inc.) KKl:DSEX. Friedril'h P. (\\'I) -1912 Crescent St.. \\'a,hington 16, D. C. (1\ationaJ Bureau of Standards) KXUDSE:\, Rolf Borgestad, P. A.. :\orwa)' (Borgestad Fabrikker I 1\:XUTSE:\. Eil'ind (RI Western Refractories Co. Box 169. lone. Calii. KOCH, Daniel O. 01) E. I. du Pont de Nemours & Cu., Inc. Electrochemicals Dept. 71 Buckingham Ave. Pertb Ambo)', N. J. KOCH, Frank A. (~1) National Sales Corp. 307 E. Fourth St., Cincinnati 2, Ohio KOCH, Renato Direttore Stabilimento Tubi Elettronici Marconi Italiana S.p.A. Via Pile, L'Aquila, Italy KOCH, \VilIiam J. (WI) P. R. Mallory & Co. E. Washington St., Indianapolis 6, Ind. KOCHANEK. ~liche1 (X) 1030 Douglas Rd., Lincoln Village Stockton, Calif. KOEHLER, W. A. (Rl) Mineral Industries Bldg. West Virginia University Morgantown, \V. Va. KOENIG, Charles Jacob (WFI) Engr. Expt. Sta., Ohio State University Columbus 10, Ohio KOE1'\IG, E. W. (M) Consolidated Feldspar Dept. International ~linerals & Chemical Corp. Erwin, Tenn. KOEXIG, John H. (BFI) Rutgers Vniversity School of Ceramics 1'\ew Brunswick, ),;. J, KOHL, Hans Leerbac1btr. 117 Frankfurt A. ~I., Germany (Degussa) KOHLER, A. )1. (R) Babcock & Wil~ox Co. 161 E. 42nd St., Xew York 17, N. Y, KOHLER CO. (G. P. Gavin) Kohler, "isc. KOHMAX, Girard T. (B) 133 Ashland Rd .. Summit, N. ]. (Bell Telephone Labs.) KOHN, Joseph (W) Universal Dental Co, 48th & Brown Sts., Philadelphia 39, 1'.1. KOHNE, Frank H. (W) 1700 Third .",,e.. New Brighton, Pac (Ceramic Color & Chemical Mfg. Co.) KOHUT, William 3215 W. 31st St., Cleveland, Ohio KOLF5CHOTEX,H.~ ~ Algemene Vereniging voor de "ederlandse Aardewerk en Glas Industrie Haagweg 139, Gijswijk, Netherlands KOMAC. Thomas N. (R) Republil' Steel Corp. 6100 Truscon Ave.. Cleveland 4, Ohio K01\OPICKY. Kamillo Forschungs-Institut Der Feuedest-Industrie HelmholtZ>lrasse 25/27 Ronn. (\\estern). Germany ROSTER 47 jI ... - - - - - -__fIIIiII KONOWITCH, Gilbert D. (RJ) 2003 N. 73rd Court Elmwood Park 35, Ill. KOl'iR.....D, Howard E. (R) 41 Brookside Ave.. Apt. 7-B Somerville, ~. J. hns-Manville Research Center) ,K. . amotte Unie N.V. Tielerweg Geldermalsen. Holland KOOS, E. K. (WI) Sterling China Co. East Liverpool, Ohio KOPP GLASS, INC. (C. E. Leberknight) Box 8255 Pittsburgh 18, Pa. 'KOPPERS CO., INC. (c. R Austin) Research Dept. Koppers Bldg., Pittsbllr/rh 19, Pa. KORA, Yosio 2 Chome. Katsuyama-Cho Yahata, Fukuoka. Japan (Kurosaki Fire Brick Mfg. Co. Ltd.) KOSHUBA, Walter J. (R) General Electric Co.-A~P Project Box 132, Cincinnati 15, Ohio KOWAL, Leo B. (G) .. 'Canadian Pittsburgh Industries, Ltd. . . 60 Blvd. St. Croix '~;;" Ville St. Laurent, Que., Canada $OWALKA, Warren R. (G) ';">J,( Libbey-Owens-Ford Glass Co. :~;;:;>; '1701 E. Broadway, Toledo 5, Ohio :'K;RAFT, c. W. (5) / '<'k';: ,Kraftile Co., Niles, Calif.--- "~KRAFT, Donald E. >':'.;,::~'Co. A. 185th Signal Bn. ;a;::rCamp Polk, La. .~, Maurice M. (G) i!.~~;~.Kraft Chemical Co.. ';';'l/.,917 W. 18th St., ChIcago, Ill. '~T, Ralph G. :~~'" ,4120 N. 135th St., Milwauktt, Wisc. ~;~;1tRAFTILE CO. (c. W. Kraft) .': : . "ilEesR, , CIarlvifin. R (R) ::'f;,c.> ercast Corp., 295 !lfadison Ave. New York 17, N. Y. ]{RAMER, William Meigs (G) " " Adamston Flat Glass Co. Oarksburg, W. Va. ';,K]iANER, Hobart M. (B FI) 'i/;',: Bethlehem Steel Co. ;/...,'.: Bethlehem, Pa. KREGER, John M. (R) Valentine Fire Brick Cu. ."'/': Div. A. P. Green Co. " Woodbridge, N. J. ,:'I{,REGLO, James R., JT. ,::,,:,- 1840 Perry PI., Jacksom'iIIe, Fla. ..:JCREHBIEL, Frederick H. (W) '. Accurate Pvrometric Cone Co. Pataskala, Ohio ,t.KREHBIEL, H. Orton (D) ;'\"::-" Accurate Pyrometric Cone Co. ;:::,,:/ Pataskala, Ohio :}CRElDL, E. L. (G) A. D. Little, Inc. . 30 Memorial Dr .. Camhridge. Mass. ':~RElDL, Norbert J. (GF) 40 Milford Rd., Roche,ter 10, N. Y. (Bausch & Lomb Optical Co.) KRETSCHMAR, Ernest (G) . 101 S. Meramec Ave .. Clayton 5, Mo. (Electro-Phos. Slag Co.) ~KREUER, Albert L. (M) . :',. Orefraction, Inc.. 7425 Thomas St. ;:>: Pittsburgh 8, Pa. , kRIEGEL, W. \Vurth (XFI) '. . Ceramic Engineering Dept. . . . .N.. C. State College, Raleigh, ~. C. " ER. Frederick S. (G) '::. 48 E. Second St., Corning. ~, Y. ,;,:'.,' (Corning Glass Works) ":KRILL, Karl E. ( B) . ".. Ohio State Unh.. Res, Foundation Columbus 10. Ohio KRISHX.-\ MURTHY, M. No.1 Sri Krishna Rao Rd. Basavana Gudi. Bangalore, India KROCH!llAL, Jerome J. 45~0 Brenau Ave., Dayton 9. Ohio KROECK, William H.- (G) Corning Glass Works Box 544, Corning, N. Y. KROGSTIE, Lars Bernhard Fredrikstad, Norway (Xorsk Teknisk Porselenfabrikk I KROX!lIA1'\, Samuel J. (WI) Carteret China Co. High St.. Carteret. N. J. KROSCH, Donald K. (E) Solaramic Dept., Solar Aircraft Co, 2200 Pacific Highway San Diego 12, Calif. KRCESI. John (W) American La,'a Corp. Chattanooga 5, Tenn. KRllLL, Alan R. (D) Technological Institute Library 1'\orthwestern University Evanston, III. KRUSO~, Joseph H. (R) 79 W. Main St., Frostburg, Md. (Big Savage Refractories Co.) KUECHLER, A. H. (RI) 1210 Lane Ave., Phoenixville, Pa. (A. P. de Sanno & Son, Inc.) KULCSAR, Frank (W) Brush Labs. Co. 540 E. 105th St., Cleveland 8, Ohio KU1'\ZMAN, Edward E. (WI) 9185 E. Jaylee Dr. Temple City, Calif. (B. F. Wagner & Co.) KURKJIAN, Charles R. Graduate House Massachusetts Institute of Technology Cambridge 39, Mass. KURTZ, Peter, Jr. 20010 W. Pacific Coast Highway Malibu, Calif. KYANITE MINING CORP. (Gene Dixon) Cullen, Va. KYOKWAI, Yogyo Ceramic Assn. of Japan 7. Shiba- Nishikubo-Sakuragawacho Minato-ku, Tokyo, Japan KYONKA, Joseph c. (WI) 1302 Jewel Court Madison 3, Wisc. (Ceramic Arts Studio) L LABORATORIO QUIMICO NACIONAL (Jorge Ancizar-Sordo) Ministerio de Minas y Petroleos Apartado 2577, Bogota, Colombia LACHMAN, Irwin M. (I) Apt. B, 1136 Neil Ave. Columbus 1, Ohio LACLEDE-CHRISTY CO. (L. C. Hewitt) 4705 Ridgewood Ave. St. Louis 16, Mo. LACO:\ICH, Sixto Godofredo Porcelana Americana S. A. San Julian y Andes Lomas de Zamora, F.C.N.G,R. Argentina LADOO, Raymond B. (M) 42 Huntington Rd .. Newton 58. Mass. (Consulting Engineer) LAFLEUR, Jacques (M) Department of Education A,'e Magloire Ambroise 179 Port-au-Prince, Haiti LAFORGE. Louis H., Jr. (R) Eitel-McCullough. Inc. 798 San Mateo Ave.. San Bruno, Calif. L\IKG. Kenneth M. (G) Glass Research Laboratories Pittcl-urgh Plate GlaSS Co, Creighton. Pa, eLAIRD. Charles (51) !llah-ern Brick & Tii Co. Box 355, Malvern, Ark. LAIRD, Edward W. (5) i Circle Dr., Malvern, Ark. (!llah'ern Brick & Tile Co.) LAIRD. Robert K. (E) American Radiator & Standard Sanitary Corp. Plumbing Di\'. 83~ E. Broadway, Louisville 4, Ky. LA:-'L\IRE. Robert V. (RJI) R.R, 3, Plainfield. ~, J. (International Nickel Co . Inc.) L\:-'l B. Hal (!If) Braun Corp. 22AO E. 15th St .. Los .-\ngeles 21, Calii. LA:-'IBE, C. M. (MI) Cnited States Gypsum Co. 3011 \\', .\dams St., Chicago 6, Ill. L.-\:\IBERT. Joseph !If. (Gl :\Iellon Institute. Pittsburgh 13, Pa. L.UIRERTSO:--;, Wingate A. (BI) Institute of Silicate Research t:ni,'ersitv of Toledo Toledo 6; Ohio LAMBIE, J. M. (R) Findlay Clay Products Co. \\'ashington, Pa. LANDBACK, Charles R. (W) Taylor, Smith & Taylor Co. Chester, W . Va. LANE, George J. (M) Edgar Plastic Kaolin Co. Edgar, Fla. LANE. Richard O. (GI) 878 White Lake Rd. Munith, RR. 1, Mich. (Macklin Co.) LA:--lG. George F. (G) Carr-Lowrey Glass Co. Box 356, Baltimore 3, Md. LANG, Richard L. (W) Ohio Fuel Gas Co. 17 N. Fourth St., ZanesviJIe, Ohio L.-\XG, S. M. (W) 9718 Braddock Rd., Oakview Silver Spring, Md. (National Bureau of Standards) LANG, Samuel G. (E) 3534 Spring View Dr. Cincinnati 26, Ohio (Fusite Corp.) LANGE, James M. (R) Bethlehem Steel Co., Bethlehem, Pa. LAXGE, Louis A. (M) Indu,trial Heat Control Products 6~1 Hawthorne A,e. South Milwaukee. Wisc. LANGROD, Kasimir (W) 462 Locust Ten. West Hempsteal:1. N. Y. (Page-Madden Co., Inc.) L.-\XGSTON, Robert B. Di,. of Mineral Technology, University of California, Berkeley 4, Calif. LANIER, William S. (R) Babcock & Wilcox Co. Old Sa"annah Rd., Augusta. Ga. LANXES. Eugene M. (WI) 62~ N. Main St., Fostoria, Ohio (Richard C. Remmey Son Co.) LAPP. Grover W. (MF) Lapp Engineering Co. 68 W. l'.lain St., Le Roy, N. Y. LAPP INSULATOR CO., INC. (K. E. Stettinius) Le Roy, 1'\. Y. LAPP, William A. (5) Lapp Engineering Co. 6S W. l\Iain St., Le Roy. N. Y. LARISCH, Herbert W. (EJ) ~6 Fain'iew A,e .. Vallev Stream. N, Y. (Seaporcel Metals. Inc.) LARKIX, Paul G. (D) Larkin Tile Co. 1651 Pomona Ave., San Jose 10. Calif. LAROCCA, Frank J. (R) Colorado Fuel & Iron Corp. Box 316. Pueblo, Colo. jI ROSTER 49 - .Q 62S=U&: J~~ON, Paul F. (W) , 3866 Norman Ave., N. W. , ,.",. Canton 9, Ohio ',' (Sparta Ceramic Corp.) LASSMAN, Benjamin (M) .: c. Benjamin Lassman & Son .::,: R.~F~i;n~t~R:B~EGLASS CO. C. L. Dillon) Box 71707 : . Los Angeles 1, Calif. LATIMER, Glen H. (R) .. 202 Hancock Ave., Norristown, Pa. - (E. J. Lavino & Co.) LATIMER, Horace L. (EI) Box 282. West Lafayette, Ohio (Moore Enameling & Mfg. Co.) LATIMER, Trent W. 104 16th Ave., Columbus 1, Ohio LATTIN, Judson M. (R) 6916 S. Clyde A\'e., Apt. 402 . < ... Chicago 49, Ill. (International-Han'ester Co.) LAUGHLIN, HOMER, CHINA CO. . " (J. M. Wells) I"ewell, W. Va. LAURIE, Dominic (Rl) >:'~:~ Titaaium Alloy Div., National Lead Co. -:,':;;'--Niagara Falls, N. Y. .':lu\WLESS, Emmett A., Jr. (5) :~t.:y Alton Brick Co., Alton, Ill. }-J\WREXCE. Howard O. (W) .';>"lndustrial Ceramics Ltd. ,/""''}":iCooksville, Ont., Canada " RENE, Ralph V. (R) 145 Leonard Dr., Concord, Calif. (Gladding, McBean & Co)./ ENCE, Walter F., Jt:(WI) .-141 Morningside Rd., Verona, N. J. .,(RCA Victor) RENCE, Willis G. (B) :New York State College of Ceramics -. Al fred, N. Y. SON, Louis, Jr. (W) West Virginia Pulp & Paper Co. ,_ Development Dept., Charleston, S. C. WSON, Robert W. (M) ox 369, Erv.in. Tenn. Consolidated Feldspar Dept. .":" ' International Minerals & ,':cc::;',' Chemical Corp.) ~)LAXTON, Wilbur (G) , 126 Market St.. Zanesville, Ohio <' (Hazel-Atlas Glass Co.) I.,AYNE, Fred A. (W) ::c;:'''' .,,< Louthan Mfg. Co. East Liverpool, Ohio : LAYTON, Donald R. ,:,' R.R. I, Brockwa)', Pa. :~EA, A. C. United Insulator Co. Ltd. ': /: Oakcroft Rd. .. ', Tolworth, Surrey, England ;.LEANDER, Karl Joban . Langgat, 19, Hoganas, Sweden (Hoganas-Billesholms AB) :.LEAD INDUSTRIES ASSOCIATION :i,':: (Robert L. Ziegfeld) ~''":~.,:C' 420 Lexington Ave. New York 17, N. Y. LE HELL. Rolf Casimir Pargas Kalkbergs Aktiebolag ABO Kakelfabrik Siottsgatan 52. ABO, Finland LEBERKNIGHT. C. E. (GF) Kopp Glass, Inc. Box 8255, Pittsburgh 18, Pa. LEDDY, Robert M. (SI) Box 128, Hammonton, N. J. (Alliance Clay Product Co.) LEDOIGT, Guy , Societe Profes,ionnelle Des Produits Francais Dt Terre Cuite 23. rue dt Cronstadt ,.paris XV, France " CLA.Y PRODUCTS CO., INC::, ". plartm S. Bowne) Clearfield, Ky. LEE, Harley C. IRF) Ba-it Rdractories, Inc. 845 Hanna Bldg., Cleveland 15, Ohie> VOL. 33, ~o. ]0 (1954) LEE, James A. (5) 1328 Candler Bldg., Atlanta 3, Ga. (Southern Brick & Tile Manufacturers Association 'j LEE, P. William (BI) 205 Elmwood Blvll., York, Pa. (Dentist's Supply Co. of Xew York) LEES, Arch A. (R) 411 A\'on Dr., Pittsburgh 16. Pa. (Carborundum Co.) LEFFORGE. J. W. (R) Monsanto Chemical Co. Everett StatiOl), ,Boston 49, Mass. LEFORT, Henry G., Jr. (EJI) Box 134, R.R. I, l'pper ~larlbor0. :'>It!. (:\ ationa] Bureau of Standards'! LE HEROX, Harold Etablissements Porcher Usines de Revin, Ardennts, France LEI BIG, Edward C. (G) Corning Glass Works, Corning. :\. Y. LEIBSON, J. S. (WI) Locke Dept., General Electric Co. Schenectady 5, X. Y. LEIGHTO:\, M. M. (X F) State Geological Survey 121 Natu ral Resources Bldg. l'rbana, Ill. LEIPOLD. Martin H., Jr. 428 Seventh St., Fairview, X. J . LElTTEN, Carl F. (R) 50 Hawkins Ave., Hamburg, X. Y. (Electro Refractories & Abrasives Corp.) LELAND, John A. (El 469 Arbramar Ave. Pacific Palisades, Calif. (Douglas Aircraft Co.) LELIVELT, J. W. (E) Kelvinator Div.. American Motors Corp. 1545 Clyde Park Ave., S.W. Grand Rapids 9, Mich. LDIMERMAN, Paul C. (R) E. I. du Pont de Nemours & Co. Grasselli Chemicals Dept. National City Bank Bldg. Cleveland 14, Ohio LEMUNYON, James S. (E) 250 Wayne St., Mansfield, Ohio (Tappan Stove Co.) LEXKON, John W. (W) Battelle Memorial Institute 505 King Ave., Columbus, Ohio LENTZ, Clarence J. (X) Quebec Iron & Titanium Corp. Box 40, Sorel, Que., Canada LEXZ, Vernon W. (G) 6123 Carew St., Bellaire, Texas LEONARD, Jean (W) 96-24 Corona Ave., Corona 68, K. Y. (Jean Leonard Ceramics) LEOPOLD, Jean H. Leopold & Cie. Pfaffenhoffen, (Bas-Rin), France LEO-WOLF, A. L. (M) Carborundum Co., Globar Div. Niagara Falls, N. Y. LEPP, Jack M. (S) 1357 Nicholas PI., Ashland, Ky. (Carlyle Tile Co.) LESAR, Albert R. (Al) 509 Woodlawn. Mexico, 1\10. (A. P. Green Fire Brick Co.) LESSO. Harold F. (R) 631 Beechmont Dr. Dearborn Hills, Mich. (Great Lakes Steel Corp.) LESTER, Ronald H. (I) 3811 Garrison Blvd. Baltimore 15, Md. LESTER, W. Ronald (GF) Liberty Glass Co. Sapulpa, Okla. LESZL, Matthias "Smalteria e Metallurgica Veneta" Bassano dtl Grappa. Italy LETORT, Marc Yves Centre Xational d'Etudes et Recherches Ceramiques 3 Avenue Paul Doumer Paris 16, France LEVEXGOOD, William C. (Gl 4473-289th St., Toledo, Ohio (Libbey-Owens-Ford Glass Co.) LEVI, Ormonde S. l.G) Verd-A-Ra)' Corp. 615 Front St.. Toledo 5, Ohio LEVIK, Ernest ~I. (B) Kational Bureau of Stantlards Div. 9.7, Washington 25, D. C. LEVY, Dorothy (D) 1212 Lincoln :\,e.. Highland Park, Ill. LEWIS. :\lIlert D. (G) Kimble Glass Co., Vineland, N. J. LEWIS, Charle" F. (R} Volunteer Portland Cement Co. Knoxville, Ttnn, LEWIS, Gordon E. (51) Glen-Ger)' Shale Brick Corp. Box 182, Wyomissing, Pa. LEWIS, Howard S. (M) Wahpeton Pottery Co., Wahpeton, N. D. LEWIS, J. H. (G) Blue Ridge Glass Corp. Kingsport, Tenn. LEWIS, J. M. (W) Abingdon Potteries, Inc. Abingdon, Ill. LEWIS, Robert T. Box 165, Alfred, K. Y. LEWIS, Wager (W) Hartford Faience Co. 271 Hamilton St., Hartford 6, Conn. LEWIS, William C. (G) Big Flats, N. Y. (Corning Glass Works) LIBBEY-OWENS-FORD GLASS CO. (George B. Watkins) 1701 E. Broadway Toledo. Ohio LIBERATORE, Laurence C. (G) Taylor Instrument Co. 95 Ames St., Rochester, N. Y. LIEBENBERG, Sarel J. Katinka Tiles (Pt).) Ltd. Box 652, Vereeniging Transvaal, South Africa LIEDER, Phillip H. (R) 2600 Dogwood Lane. Norristown, Pa. (E. J. Lavino & Co.) LIEDERBACH, William H. (WI) 382 Lower Alden Dr., Rahway, N. J. (E. I. du Pont de Kemours & Co., Inc.) LIGOX, Elmer R. (S) W. S. Dickey Clay Mfg. Co. Box 402, Pittsburg, Kansas LILLIE, Howard R. (GF) 191 Delevan Nve., Corning. N. Y. (Corning Glass Works) LIMES, Robert W. (RI) Mellon Institute, Pittsburgh 13, Pa. LIKCOLN, Claire (S) Orange County Tile Co. Box 9, Huntington Beach, Calif. LINDENTHAL, John (En Box K, Lakehurst, N. J. LINDER, Cyril S. (E) 1139 Park St., Tarentum, Pa. (Pittsburgh Plate Glass Co.) LINDQVIST, C. Alan, Jr. (WI) 123 Grandview Ave., Conneaut, Ohio (Astatic Corp.) LINDROTH, Stig A. (B) Glass Tech. Lab., General Electric Co. 1133 E. 152nd St., Cleveland 10, Ohio LINDSA Y. Carey E. (R) 1025 S. Olive St., Mexico, Mo. (Mexico Refractories Co.) LINKHORX, William H. (W) 428 S. Western, Kokomo, Ind. (American Radiator & Standard Sanitary Corp.) LINTZ, E. H. (WFI) 42 Heiskell Ave., Wheeling, W. Va. (Wheeling Tile Co.) ROSTER 51 .J. 1 I J t f LIXWOOD. Sidney H. (W) Stackpole Carbon Co. St. Marys, Pa. LI~Z, Arthur (E) Climax ~Iolybdenum Co. 500 Fifth :he., :\ew York 36, :\. Y. LITHIUM CORP. OF AMERICA, INC. "'alter M. Fenton) 2560 Rand Tower _ inneapolis 2, :Minn. E. John ~L (5) aylor Clay Products Co. Box 1128, Sali,hury, :\. C. LITTLETO:\, Joseph c. (G) 231 Delevan A,e., Corning, :\. Y. (Corning Glass Works) LITTLETO:-:. J. T. (Honorary. GFI Corning Glass Works. Corning. :\. Y LIVINGSTOX. Charles Q. (R) Armstrong Cork Co., Lancaster. Pa. LIVOVICH, Andrew F. (R) 337 ~. Virginia A'"e., Hobart, Ind. (Universal Atlas Cement Co.) L & L MANUFACTURING CO. (Joseph Freeman) 136 Eighth St. Upland. Chester. Pa. LLOYD. Katherine M. (R) Kaiser Aluminum & Chemical Corp. 1924 Broadway. Oakland, Calif. LO, Wing-Cheuk 1531 E. 61st St., Chicago 37, III. . LOBAUGH, Frank E. fRI) i: 1052 Sherman Ave., Plainfield, N. J. ,. (Universal Atlas Cement Co.) ~LOCHRIDGE, James F. (E) t'i;' . Ferro Corp. ("0 4150 E. 56th St., Cleveland' 5, 'Ohio :~LiJcke-See General Electric Co. -<?.,L:.,OG(ABNartoCnLAA.YHPolRI)OLDoUgaCnT, S CO. Ohio 1~ONDEREE, Joseph W., Jr. (B) ~.., . 3918 Warner Ave., Louisville, Ky. '.: . (Corhart Refractories Co.) :,:LONG, Bernard i': Glaces de Boussois ~~:~::.' 22, Boulevard Malesherbes ". . , :aris 8. France , George R. (E) 'gidaire Div.. General Motors Corp. ayton t. Ohio LONG. John V. (G) Solar Aircraft Co. 2200 Pacific Highway San Diego 12, Calif. LONG, Luther 1. (G) Owens Corning Fiberglas Corp. Newark. Ohio LONG. Robert fE) American Porcelai<t Enamel Co. 1285 Keating Ave. Muskegon 36, Mich. LOXG. Robert R. (W) National Tile & Mfg, Co. 1200 E. 26th St., Anderson, Ind. LONG, Russell E. (RO Brush Beryllium Co. 4301 Perkins Ave.. Cleveland 3, Ohio LOXGENECKER, Robert J. (GJ) 46 James Rd.. Broomall, Pa. (Foote Mineral Co.) LONGFRlTZ. Robert K. (RI) Brighton Brick Co. Box 256. New Brighton, Pa. LONGINO, Ted E. (W) Fmnkoma Pottery. Sapulpa, Okla, LOXG\\, ELL. Burton (E) Republic Steel Corp. H2.l Republic Bldg.. Cleveland 1, Ohio LOREY. Frederick D. (GI) 857 Chestnut St., Parkersburg, W. Va. (Corning Glass Works) LOREY, G. Edwin Ceramic Dept.. Rut!l'ers University New Brunswick. N. J. _ E~. R. H. (WT) cGean Chemical Co. idland Bldg .. 101 Prospect Ave. N. W. leveland IS. Ohio LOUGHRIDGE. Frederick A. (G) 52 !\orwood Ave.. ~fanchester. Mass. (Syh'ania Electric Products. Inc.) VOL. =33, ~O. 10 (19,)-1) LOUTHAN MANUFACTURING CO. I C. \\'. Gerster) East Liverpool. Ohio LQ\"E. L G. (G) :\ational Lime & Stone Co. First :\ational Bldg. Findlay. Ohio LOVELA:\D. EdwardW. (G) 27 L1anfair Rd . Ardmore. Pa. (Russ & Cadwallader, Inc.) LOVE:\B.-\CH. J. Glaceries de Saint Roch S. A. 50, rue du Luxembourg Brussels. Belgium LO\\"E. Earl C. (Sl) ~5 S. Culver St.. Logan, Ohio I Straitsville Brick Co.) Lo\\E. Edwin C. (RJ) 2394 ~I urray St. :\iagara Falls. Ont.. Canada I :\orton Co.) LO\\E. George K. (RT) Charle, Taylor sd~s Co. HeightsRockefeller Bldg.. Rm. 210 ~Iayfield at Lee, Cleveland 18, Ohio LO\\'ER, Clarence G. (S) :\ew Bethlehem Tile Co. 311 Lafayette St., New Bethlehem, Pa. LO\"ER. Lloyd C. (S) 227 Washington St. :\ew Bethlehem, Pa. (~ew Bethlehem Tile Co.) LUCAS, Joseph M. (W) 1431 Broad Blvd. Cuyahoga Falls, Ohio (e. S. Stoneware Co.) LeCIDO, Peter J. 1518 Central, Lafayette, Ind. U:CKETT, Joseph S. Texas ''''estern College Box 108. EI Paso. Texas LUDVIGSEK. C. F. Den Kongelige Porcelainsfabrik & Fajancefabriken Aluminia A/S Copenhagen F.-45 Smallegade, Denmark LUDWIG. David W. (GI) 4 Penn View Dr. Monroeville. R. R. 2. Pitcairn, Pa. (Pittsburgh Plate Glass Co.) LCDWIG, Urban W. (G) 498 Lake Rd. Webster. N. Y. (Bausch & Lomb Optical Co.) Lt'EDERS, Roland (M) 3241 Bradford Rd. Cleveland Heights 18. Ohio (Ferro Corp.) U"lfRS, Millen E. (G) LibbevOwens-Ford Glass Co. 1701 E. Broadway. Toledo, Ohio LlKS. Daniel W. nVI) Star Porcelain Co. Muirhead Ave., Trenton 9, N. J. LULL, Stanley E. (R) 6 Oberlin St., Worcester 10. Mass. (Bay State Abrasive Products, Inc.) LU!\AK. Thomas E. (WI) Globe Union. Inc. 900 E. Keefe, Milwaukee 1, Wisc. U:\D. H. Howard (S]) 44 S. Elmwood Ave., Palatine. III. (:\orthwestern Terra Cotta Corp.) U.":\D. 1. Howard (S]) 1310 Chicago Ave., Evanston, III. I Central Commercial Co.) IX:\D. ~Ieh'in S. (W) -l2h E. State St.. Alliance. Ohio (Colonial Insulator Co.) Ll':\D. Val J. 761 Emerson Ave .. Salt Lake City. l'tah LUSHER, Gerald H. (R) Korton Co .. 3859 Homewood Rd. Cincinnati 27, Ohio U'TTO!\, X. W. (W) Frazeysburg Rd., R. R. I Zanesville, Ohio I :\ational Plumbing Pottery, Inc.) LYLE. Aaron K. (GF) 21 Cumberland Rd. "'est Hartford 7. Conn. (HartfordEmpire Co" Div. Emhart ~Ifg. Co.) LYNCH, Eugene D. (W) Dept. of Ceramic Engineering 204 Ceramics Bldg., Urbana, Ill. (Cniversity of lIIinois) LY:\CH, James F. (R) Battelle ~femorial Institute 505 King Ave., Columbus I, Ohio LY:\CH, John F. (Wi Lindberg Engineering Co. 2450 Hubbard St.. Chicago. Ill. LY:\SAV.-\GE, Walter F. (G) 305 Arnold Ave . Port Allegany. Pa. (Pittsburgh Corning Corp.) LYO:\. John B. (5) 6 Circle Dr., Malvern. Ark. (Acme Brick Co.) L Y0:\, Kenneth C. (GF) Indiana Glass Co . Dunkirk, Ind. LYO:\S. Clifford T. (\n 3930 Edenhurst A\'C. Los Angeles 39. Cali f. (Western Talc Co.) LYOKS. Edward J. 1289 Cahaba Dr. Atlanta, Ga. L YOXS. S. C. (M) Georgia Kaolin Co. Dry Branch. Ga. LYTLE. Jack A. (WI) 1026 E. Lyon, Apt. 3 Milwaukee 2, Wisc. (Allen-Bradley Co.) LYTLE, W. O. (G) Pittsburgh Plate Glass Co. Research Lab., Creighton, Pa. LYTTLE. Frobisher T. (W) 1031 Findley Ave., Zanesville, Ohio (Mosaic Tile Co.) Me McADOO, Don Parker (W) J. M. Huber Corp. 100 Park Ave. Kew York 17, N. Y. McALLISTER, Christopher (GI) Box 281, Clarksburg, W. Va. (Pittsburgh Plate Glass Co.) McALPINE, Kenneth B. (G) 1201 Union Ave., Brackenridge. Pa. (Pittsburgh Plate Glass Co.) McASKILL, James 1. (W) 311 King St., W. Kingston, Ont., Canada (Frontenac Floor & Wall Tile Co., Ltd.) ~fcAeLEY, James W. (G) 2334 Sherwood Rd . Toledo, Ohio (Libbey-Owens.Ford Glass Co.) McBRIDE, P. B. (E) Porcelain Metals Corp. 1400 S. 13th St., Louisville 10, Ky. McBURNEY. John 'IN- (SF) 1543 N. Falkland Lane Silver Spring, Md. (!\ationa] Bureau of Standards) l\IcCA~BlON, James W. (M) Dept. of Mines, Parliament Bldgs. Victoria. B. c., Canada McCA:\DLESS. Lyon (G) FrazierSimplex International Corp. 420 ~Iadison Ave., Kew York 17. K. Y. "fcC.....I\N. D. M. (WI) Akron Porcelain Co., Akron 14, Ohio l\IcCA:\:\, Sidney W. (El) pfaudler Co. 1000 West Ave., Rochester 3, K. Y. McCARTT, Kenneth C. (W) 1408 Delaware Ave . New Castle, Pa. (CniversalRundle Corp.) ~fcCLAVE, James W. (51) Box 67, Toronto. Ohio (Peerless Clay Corp.) "lcCLELLA:\D. Roland H. (WI) Globe-Union Inc. 900 E. Keefe Ave., Milwaukee. Wisc. McCLURE. Howard C. (R) 1808 Hutchins St .. Portsmouth, Ohio (Davis Fire Brick Co.) ~lcCOLLO~f, Perry C. (RJ) American Refractories & Crucible Co :\orth Haven, Conn. ROSTER 53 1 " t I i t I McCOMAS, Clarence B. (G) T. C. Wheaton Co., Millville, N. J. McCONNELL, Clifford T. Box 2161, Georgia Tech., Atlanta, Ga. McCONNELL, G. F. (W) Mosaic Tile Co., Zanesville, Ohio RMICK, John ~1. (G) 356 Cheltenham Rd., Toledo 6, Ohio (Owens-Illinois Glass Co.) McCORMICK, Stewart \If. (R) Corhart Refractories Co. 1600 W. Lee St., Lousiville, Ky. McCOY, NELSON, POTTERY CO. (Nelson ~lcCoy Melick) Roseville, Ohio }lcCOY, William (~I) 1219 24th St., X .E., Canton 4, Ohio (American Encaustic Tiling Co.) McCREERY, George 1. (W) 393 Highland Ave., Wadsworth, Ohio (Ohio Brass Co.) McCREIGHT, D. O. (R) 15 Willow Terrace Dr., R.R. 2, Box 290 Library, Pa. (Harbison-Walker Refractories Co.) McCREIGHT, Louis R. (R) R.R. 1, 67 Hillandale Dr. Ballston Lake, K. Y. (General Electric Co.) 'McDANEL, Donald \V. (W) . McDanel Refractory Porcelain Co. ";.'., _ Beav~r Falls, Pa. .<.:;.~..,~DANEL, Melvin W. (R) :?~:,- R.R. 3, Beaver Falls, Pa. : <::',. (McDanel Refractory Porcelain Co.) ~jKc:DANIEL, L. L. (R) . ' :>i:f<"" Phelps Dodge Corp. .,;:{,:', Morenci Branch, Morenci, Ariz. {,iJrf:~ERMOTT,James J., Jr. (G) ,;~;;,::. 136 William St., New York 38, N. Y. ';'j;:.:;. (Owens-Illinois Glass Co.) ;:'4'Kc:DONALD, E. F. (El) :,>:'0>. Ingram-Richardson Mfg. Co. ,,~r'j Beaver Falls, Pa. :;"'\icDONALD, Howard A. (B) '.. 2375 Minor Ave., N., Seattle, Wash. (Penberthy Instrument Co.) OUGAL, Taine G. (WFl) - 1117 South Dr., Flint 3, Mich and Ha'penny House ".. , Somerset Bridge, Bermuda "McDOWELL, J. Spotts (RF) 4716 Bayard St., Pittsburgh 13, Pa. (Harbison-Walker Refractories Co.) :McDOWELL, Samuel J. (BFI) , 52 Elm Ave., Metuchen, N. J. (American Lava Corp.) McELROY, R. H. (MI) International Clay Machinery Co. 1145 Bolander Ave., Dayton, Ohio McEVOY, Robert J. (Rl) , Engineering Div. Owens-Corning Fiberglas Newark, Ohio McFARLAND, James E. (E) 14025 Greenbay' Ave., Chicago 33, Ill. (Inland Steel Co.) McGEAN, Ralph 1. (E) : Midland Bldg., 101 Prospect Ave., X.W. Cleveland 15, Ohio (McGean Chemical Co.) McGEE, Thomas D. (Rl) Research Laboratory A. P. Green Fire Brick Co. Mexico, Mo. McGILL, William ~1. IS) Virginia Geological Survey Box 1428, Cniversity Station Charlottesville. Ya. McGOHAN, G. William (E) Armco Steel Corp., ~liddletown, Ohio McGOLPIN, William C. (S) . Rm. 403, 57 Bloor St., W. ' . "TRoAroWn,toD5e,lfOorndt .A.Ca(Gna)da 4101 Garden Park Dr., Toledo 13. Ohio (Owens-Illinois Glass Co.) McHOSE, L. H .. INC. OJ. M. McHo'e, Jr.) Box 47 Perth Amboy, 1\. J. VOL. 33, ?\o. 10 (19.3-1) McHOSE. :\1. ~1., Jr. (~I) 1. H. :\IcHose, Inc. Box 47, Perth Amboy, X. J. McIXTOSH, Harold W. (G) American \\'indo\\, Glass Co. 9 W. Park WaY,-Pittsburgh 12, Pa. ~lcIXTOSH, \Yilliam A. (S I \Yest Virginia Pulp & Paper Co. Polvchemicals Di,. Ch~rleston 4, S. C. :\lcIXTYRE, G. H. I EFI) Ferro Corp. 4150 E. 56th St'., Cleveland 5, Ohio ~lcKAIG, W. Wallace (R) Cumberland Steel Co., Cumberland, ~lcl :\lcKEA);D, Irvin J. :\1inneapolis-Honeywell Regulator Co. Research Center 500 \\'ashington Ave, S. Hopkins. :\1 inn .. :\lcKEEX, Richard D. (:\11) 26~8 Robinson Blvd. Pittsburgh 21, Pa. (Swindell- Dressler Corp.) ~lcKE);DRICK, Alexander Glenboig Cnion Fire Clay Co., Ltd. Glenboig, Lanarkshire, Scotland ~1cKE:\XA, John F. 95-20 2~Oth St. Bellerose 26, K. Y. ~lcKEO\VK, J. Duncan (R) Carborundum Co. 601 American Bldg., Cincinnati 2, Ohio ~lcKEOWN, Thomas H. (M) Box 31, Metuchen, 1\. J. (E. 1. du Pont de Nemours & Co., Inc.) ~lcKIBBEN, Burt H. (E) Niles Rolling Mill Div., Sharon Steel Corp., Niles, Ohio ~lcKIXLEY, Theodore D. (E) E. 1. du Pont de Kemours & Co. X"ewport, Del. ~lcKIXKIE, J. R. (R) 3813 Hoke :;'-,"e., Culver City, Calif. (Ideal Chemical Products, Inc.) :\IcKIXXIS, Charles 1. (1) ~lidwest Research Institute 40~9 Pennsylvania Ave. Kansas City 11, Mo. :\IcKIXSTRY, Herbert A. Box 391, State College, Pa. McLACHLAN, Eugene K. (R) Mellon Court, \Vestmont, Johnstown, Pa. (Bethlehem Steel Co.) McLAIN FIRE BRICK CO., DIV. OF H. K. PORTER CO., INC. (Lawson E. Mason) Ceramic Engineering Dept. Wellsville, Ohio ~IcL\);E, James P. (M) Diamond Pottery Corp. 50-56 China St., Crooksville, Ohio ~lcL-,\REl\, Henry D. (E) Ferro Enamels (Canada) Ltd. Box 37, Oakville, Ont., Canada :\IcLAREK, John (M) Broadview Circle, East Liverpool, Ohio (Sales Representative) ~IcLAREX, ~lalcolm G. 7 Boileau Ave., Easton, Pa. ~lcLACGHLIX, John 1. (E) 564 S. Craig PI., Lombard, Ill. (FiJlish ~lagazine) :\lcLAl'GHLIK, Joseph K. (WI) Red \\'ing Potteries, Inc. Red Wing, Minn. ~lcLACGHLI);, \Villiam H. (R) Alsey Brick & Tile Co., Alsey, III. ~ld1AHOX. John F. (XFI) Alfred. X, Y. (Xew York State College of Ceramics) Mc:\IAHOX, John F., Jr. (GJ) Apt. H-~. Oakwood Gardens Apts. Lansdale, Pa. Mc~IASTER, Harold A. (G) Permaglas, [nc" Genoa, Ohio :\lc:\ICLLE);, John C. (R) 9325 Rinrshore Dr. Xiagara Falls, X. Y. (Carborundum Co.) :\lc:\ICRDIE. Howard F. \BF) Xational Bureau of Standards Washington 25, D, C. :\lc:\llRTRY. Carl H. Box 255, _-\lfred. X. Y. :\lcXA:\IARA. E, P. (\\'FII Cambridge Tile ~1fg. CD, Box 71. Cincinnati 15. Ohio :\lcXACGHTO);, Ronald R. I B) Central Technical Library Consolidated :\Iining & Smelting Co. of Canada. Ltd.. Trail. B, C.. Cana,la ~lcXEILLY. Clyde, Jr Box 827, Alfred. X. Y. :\lc1'HAIL, Dan (R I _-\merican Clay Forming Co, Tyler, Texa:; :\lcQCARRIE, :\lakohn C. (B) 105 E. );ittany .-\,'e .. Stak College, Pa. (Pennsyh'ania State lOniversity) :\lcRITCHIE. Frank H. IS) :\Iellon Institute, l'itt"burgh, Pa. :\lc\' AY, T. X. (XFlJ 10 Oakwood Court. Tu"caloosa, Ala. (Cniversity of Alabama I )lcWALTER, H. G. (R) 731 Forrest Ave., Jenkintown, Pa. (Laclede-Christy Co.) ~lcWILLlA~fS, Robert J. (E1) Piaudler Co. (Elyria Div.) Taylor St., Elyria, Ohio M )lacALPIXE, William :\1. (X) 357 E. ~fain St.. Somerville, N. J. (Johns-Manville Research Laboratory) )IacDOXALD, James E. (R) McFeely Brick Co., Latrobe, Pa. :\lacDOXALD, R. W. (WI) 109 Bent Oak Dr., Sha\'ano Park Box 661. R.R. 11, San Antonio, Texas (Aztec Ceramics, Inc.) :\IacIXTYRE, Donald J. (W) R. R., Pifford, K. Y. (Lapp Insulator Co., Inc.) ~L\CKASEK, Edward (E) Porcelain Enamel Institute Dupont Circle Bldg. IJ~6 Connecticut _-\ve., X,\\'. Washington 6, D. C. ~fACKEXZIE, James Vnited Steel Companies Ltd. Research & Development Dept. Swinden Hous~, Moorgate Rotherham. England )lacKEXZIE, James T. I R I Box 2603, Birmingham 2, Ala. (American Cast Iron Pipe Co.) :\lacKIE, 1. Douglas (E) International Ceramic ~lining, Ltd. 577 Eglinton Ave., W. Toronto, Ont., Canada ~lacLEOD, John l'nited Fireclay Products, Ltd. Bathville Office Armadale, West Lothian. Scotland :\lacPHERSO);, Charles R, IGl Owens-Corning Fiberglas Corp. Fairfax Industrial Di;:trict Kansas City, Kansa:; ~lacRAE, John (GI Fiberglas Canada Ltd. Box 309, Guelph, Ont .. Canada :\IAC nORA, George (RJI I 1"13 ~Iagdalena Ave, East St. Louis. Ill. (Alcoa Research Laboratories) :\IADDEK, Jesse F. (W I Pa!(e-:\ladden Co .. Inc, i6-96 Second ~t.. Bo" 110 ~lineola, X. Y. ROSTER 55 f f { ,r t I MADDEN, Robert C. (R) 315 Pim St. Sault Ste. Marie, Ont., Canada (Algoma Steel Corp., Ltd.) MADDOCK, ... ~L (W) R. R., Washington Crossing, l\'. J. (American Radiator & Standard Sanitary Corp.) DSE1\, Leif Egil Box 4208, Sandakervn 109/111 Oslo, l\'orway (A/S Den .:\orske Slipeskivefabr.) 'MAGIC CHEF. INC. (Arthur Stockstrom) 1641 S. King,highway St. Louis 10, ~Io. MAGID, H. S. (\\'1) American Radiator & Standard Sanitary Corp .. Box 907 Trenton 5, i\. J. MAGNUSOi\, J. W. (M) Western Feldspar Milling Co. Box 671, Salida, Colo. MAHESHWARY. Ved P. Go\'t. Central Pottery Agenc)' Sonepat. Punjab, India . C"MAHlER, Lois W. (D) ;. 4535 Harding Blvd., Baton Rouge, La. llAHONEY, Frank B. (E) ; Richmond Radiator Co. ~:, !:',' Box 111. Metuchen. N. J. .::. ",' URIN, Frank R. (R) ":;:"';{)"'" 638 Clower St., San Antonio, Texas ~~;MAIOR, Nelson S. ,';.,~,;,;;:;; Ceramica Sao Caetano ~. A. ~::~;t:~ Caixa Postal 278, Sao Paulo. Brazil ';.~I;"i'Ct'~~TJ.ESCK.E,WhJ~oasetpohn (G) Co., Millville, 1\. J. :,7 ::,alALCOLM, RIchard B. (W) ~.; ,~; 115 Knox St., R. R. I :;~ .:;" Bridgeville. Pa. (0. Hommel Co.) ALINOWSKI, Theodore P. (R) ;" Monsanto Chemical Co. , Product Development Dept. Springfield 2, Mass. LKIi\, W. R. (W) ,.';';l:,;;' B. F. Drakenfeld & Co., Inc. :~:::' Box 267, East Liverpool, Ohio .J,MALM, Arthur T. (R1) 233 Beverly Rd., Worcester 5, Mass. ,'MANDEL, Charles J. (WI) ,;:}..' Willette Corp. of New Jersey ".:" Codwise Ave. & Reed St. .",' New Brunswick, 1\. J. MANDLE, Richard M. (G) "',, , Rare Earths, Inc. :.~,:):: Box 488, Pompton Plains, N. J. ':':Y'MANN, George H. (G) ~:)r;; Lake Salubria, Bath, N. Y. -:~" '-, (Corning Glass Works) ,:':>;. ';.{. t':MANNING, R. Douglas (D) Harker Pottery Co. ",' East Liverpool, Ohio :'MA~OUSEK, Miloslav <::.'f' Jatecni 23, Praha VII. Czechoslovakia '::~~~MANRING, Jack c. (SJI) ,"i:,,'" R,R. I, South Charleston, Ohio (Westinghouse Electric Corp.) ", MANRING, Wiliam H, (G) " , Calumite Co. Box lSI, Hamilton, Ohio .:: MANSFIELD SANITARY . POTTERY, INC. (Perry E. Draper) " . Perrysville, Ohio MAKZ, Oscar E. (S) Box 516, University Station Grand Forks, l\'. D. (tTniversity of ~orth Dakota) MARCH, Joseph \\'. (S) Kova Scotia Technical College ,:"-'. Halifax, N, S., Canada ;.RCOWKA. Chester A, (E) \, 3331 S. 58th Court, Cicero SO, III. :,""', (Armour Research Foundation, ':~~ Illinois Inst. of Technology) MARCeS. Leon (J) 519-B Tulip Rd .. State College. Pa. VOL. 3;~, !\ o. 10 (1934) :\IARGOLlS, Da,'id (W) 16 Winchester Ave., Yonkers 2, .:\. Y. (FishSchurman Corp.) -:\IARK, Stanley D., Jr. (RI 1592 Love Rd .. Grand Island. i\. Y. (Carborundum .co.) :\IARQnS, John E. (W) Pemco Corp., Res, & Dev. Lab. 2552 Greenmount Ave. Baltimore 18, Md. :\IARSHALL, Claude L. 119 Lake Ave., ~1 idd!elOwn, .:\. Y. :\l.-\RSHALL, Dpr.win (B) Electro ~ietallurgical Co. :'Iletais Research Labs. Box 580, .:\iagara Falls. .:\. Y. :\IARSHALL, Hugh C. (R) R.R. 2, Carrollton, Ohio (Carroll Clay Co.) :\L-\RSHALL, Kissim J. 2204 Franklin, .Apt. Seattle, Wash. !lL-\RSHALL, Paul A. l G) 1201 Cherry St.. Brockway, Pa. (Brockway Glass Co., Inc.) :\IARSHALL, Shadburn (B) C. S. Steel Corp. Applied Research Laboratories 234 Atwood St., Pittsburgh 13, Pa. :\iARTIl\', Francis W. (G) 101 Hornby Dr., Painted Post, i\. Y. (Corning Glass Works) MARTIN, Frank B. (R) E. J. Lavino & Co. Box 29. ~orristown, Pa. ~IARTIN, George D, (E) 612 Colorado Ave., Baltimore 10, Md. (Pemco Corp,) MARTIN. H. C. (R) Carborundum Co., Niagara Falls, N. Y. :'IIARTIN, James K. (M) 1068 Helen Ave., Lancaster, Pa. (Posey Iron Works, Inc.) MARTIK, John R., Jr. (M) Monongahela Power Co. Wellsburg, W. Va. "'IARTDi, Leonard A. (W) "'Iartin Ceramic Supply Co. 8901 Rainier Ave., Seattle 8, Wash. MARTIN, Ralph H. (WI) 2310 E. 52nd, Los Angeles 58. Calif. (Vernon Kilns) MARTIN, Wesley G. (EF) 6054 N. Kent Ave. Milwaukee II. Wise . (A. O. Smith Corp.) :'I1.'\RTIKO. Paul D, Cannelton Sewer Pipe Co. Cannelton, Ind, :\IARTINS, Renato, de Siqueira Ceramica Sao Caetano Caixa Postal 278 Sao Paulo, Brazil :'IiARTZ, Joseph A. (R) 535 Riverside Ave., Wellsville. Ohio (McLain Fire Brick Co., DiY'. of H. K. Porter Co., Inc,) :\IARWAHA, Kidar N. Burn & Co. Ltd. Jabalpur Works, Box 13 Jabalpur I, India :\l.-\RX. LeRoy J. (S) Denver Terra Cotta Co. 135 Tejon St., Denver 19, Colo. MARYLAND GLASS CORP. (L. C. Roche) 2147 Wicomico St. Baltimore 30. Md. :'IiASKILL, William (\\'ebb Corbett, Ltd.) Coalbournhill Glass Works Stourbridge. \"'orcester, England MASON CITY BRICK & TILE CO. I C. F. Garland) Mason Citr, la. :'II ASO.:\ , Lawson E. (R) "'lcLain Fire Brick Co., Di\'. of H. K, Porter Co., Inc. Ceramic Engineering Dept. \\'ells\'ille, Ohio MASSENGALE, Gordon B. (R) 1010 Vermont Ave., Apt. 3 Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) :\IASSOi\, R. Porzellanfabrik Langenthal A. G. .~ Langenthal, Switzerland S/A I. R F. MATARAZZO (M. Mazzetti) Brazil Export Corp. 50 Broadway, l\'ew York ~, .:\. Y. :\iATCHl'LAT, John G. (R) Buffalo Rd .. R.R. 2 East Aurora, .:\. Y. (Electro Ref ractories & Abrasives Corp,) :\iATEJCZYK. John F. (E) 7506 Tre\'anion Ave" Pitlslmrgh 18, Pa. (0. Hommel Co.) MATERIALI REFRATTARI SOC. p.AZIONI 0. Charles :\Iathon) Milano i H- \'ia Elia, Lomhardini 13 Milan, Italy :\IATHER, :'Ilrs. Katherine (B 1 \Vaterways Experiment Sta. Drawer 2131, Jackson, :'Ii iss. :'IIATHIASEi\, O. E, (S) Federal Seaboard Terra Cotta Corp. Perth Amboy. N. ]. ~iATHIESON. George W. (G) 2253 Castlewood Dr., Toledo 13, O~lio (Kimble Glass Co.) MATHIESON, Roblin M. (R) Aluminium Limited Sales, Inc. 630 Fifth Ave .. Kew York 20, N. Y. MATHIEU, Louis A. Parra Mantois, 11 Chemin de Ronde Le Vesinet (S&O) France MATHON, Charles Materiali Refrattari Soc. p.Azioni Milano 744, Via Elia, Lombardini 13 Milan. Italy MATHON, J. Charles Materiali Refrattari Soc. p.Azioni Milano 744-Via Elia Lombardini 13, Milan. Italy MATSOK, Frederick R. IGI) 244 S. Burrowes St., State College. Pa. (Pennsylvania State Universit)) ~1.'\TTESON. Gilbert D. (W) Engineering Library Scintilla Di,., Bendix A\iation Corp. Sidney, K. Y. :'IIATTHEWS. L. G. (E) American Smelting & Refining Co. 120 Broadway, Kew York 5. N. Y. :'IIATTISO:'\, William F., Jr. (GIl R.R. 3, Lawson Dr" Madison, Conn. (Libbey-O\\'ens-Ford Glass Co.) MAU, K. T. Gaspro, Box ~454, Honolulu, Hawaii MAUPIN, Addison (RI) . Charles Taylor Sons Co. 710 Burns St., Cincinnati 14, Ohio MAURACH, H. Deutsche Glastechnische Gesellschaft Untermainkai 12 Frankfurt A.M., Germany :'IIACRER, James A. (E) 5519 N. Late Dr,. Mil\\'all~,ee 11. Wisc. :\1 AURER, Robert D. (G) Corning Glass Works, Corning, K. Y. ~IACSER, H. W. Spoorsingel 68. Delft. Holland (Royal Delftware Mannfactory) I I I It I f, :'IIAVOR, Wilfrid (E) Ferro Enamels (Canada) Ltd. Oakville, Ont., Canada MAXSON. ELYWN L. 1208 Isabel St.. Burbank. Calif. :\1 AXSON. Elwyn L. (M I 1208 Isabel St.. Burbank. Calif. "'lAXWELL, Laurel H. I B I 3518 Perrv Ave., Kensington, Md. (National'Bureau of Standards) :\IAY, L. F. (R) Standard Ultramarine & Color Co. Huntington 18. \\'. Va. ...ROSTER ----_ MAYBAl:!>1. PaulS.. Jr. (B) 4335 :\orma Dr.. South Euclid. Ohio (Horizons Inc J MAYBERRY. ~Iar,hall L. 4812 ~Iyrtle St .. Lynchburg. Va. MAYER, Walter S. (\\'J Maver China Co. Box 561. Bea"er Falls, Pa. YFIELD. :-'lam'ille J. 1\\'11 706 Clayton :he .. Chattanooga '" Tenn, (American La"a Corp. I MAY~ARD, Fred ,\. (:-'1 I 545 E. 250th. Eudi,!. Ohio (Har,haw Chemical Co. I MAY:\' ARD. Frederick H. (G I Corning Gla" "'orb 1 J ack'on St .. \\. ellsboro. Fa. MAYS, George ,\, (51 Kites. Calii. (California Pottery Co. '> MAZZETTI. :-'1. ,\\' I 5/A 1. R. F. :-'latarazzo Brazil Export Corp. 50 Broadway. :\ew York 4. :\'. Y. MEDERT. \\' arren C. (G '> 797 De-hler .\ve.. Columbus 6. Ohio (Owenslllinoi, Glass Co.) MEEKA, Edward (S) :,.:. Metropolitan Clay Inc. '.i::-' Box 27, East Pale<tine. Ohio ,;~ij(E:HARG, Laurence (G) ':,)::,~;::-- Hazel-Atlas Glass Co. ,:(y1~:C', 15th & Tacobs St.. Wheeling, W. Va. ';MElD. William J. rR) ,f;;:::..: ',:.':,.\,< - 203 Elm SI.. Glenview .IlL(Lindberg Engineering Co.) <:M:EINKEX. Robert H. (Bn /~.''i{i:, 351 Prentiss Lane. L'nh'ersitv Heights .:::;r~> New Brunswick, X. J. . :',~4~f':: (Bell :r~leph()ne Laboratories) .".,,;~EIRSO:\:\ E. Arthur C. (5) ..:~:\::.~" 114 W. Brighton Rd., Columbus 2, Ohio :~i:~r~ (Kimble Glass Co.) %~~J.fEJIA. Lorenzo (G) . ' . ',- Colombia Brew~rs Industries. _Inc; 80 Broad St.. :\ew York 4. X. '1. '. LICK, :\e1son ~lcCoy (D) ::,;". Nelson ~lcCov PotterY Co. .. ~.<:,:--: Roseville. Ohio . ,"L7<:MELOY, c. L. (Bll Res. Dept.. Rm. :\406 -",,. , Bethlehem Steel Co .. Bethlehem, Pa. '",;MENG. Edwin R. (R) ; :', " Box 6087. Cleveland I, Ohio ," (Xational Carbon Co.) ,. 'MENGSHOL. Clarence O. (E) .~~"~lc~~". American Radilltor & Standard Sanitary Corp. 1'+~1"" 1089 Essex St.. Richmond. Calif. :<;~lIERBLER, Wallace (Gl) ',' ':';. Meadowbrook Apts. 77, Corning, X. Y. ""',c:' (Corning Glass Works) ,l:::.:;MERCK, Walter]. (RI) . ,,'" 25 Addi,on Dr.. Short Hills, ~. J. ~ ,>:~ eM. \\.. Kellogg Co.) ::'MEREDlTH, Xeil F. (WI) ,,".-, , 7024 Oakwood Rd. Parma Heights, Ohio (Basic Refractories, Inc.) MERIWETHER, B. Corbin (W) Deena Products Co., Arlington, K). MERKEL, W. H. IS) . W. A. Riddell Co. American Clay Machinery Div. Bucyrus, Ohio MERLI ~I. Ing. Francesco Colonnata. Florence, Italy MERRIAM, Jack G. (RI) 727 K. Wildwood, Mundelein, Ill. (Titanium Alloy Mfg. Div . Xational Lead Co.) ,.RRIMAX, Seth G. (G) '" 2722 Lincolnshire Blvd. . Toledo 6, Ohio . , (Kimble Glass Co.) MERRITT, Clarence W. (WFl) Box 464, Alfred. K. Y. (:\'ew York State College of Ceramics) VOL. 33, ~O. 10 (19;')4) :,iERRITT. Lester ~L (Wll 65.. \\'ilson Ave., Columbus 5. Ohio ( Industrial Commission of Ohio J '~IERRY, E. B., Jr., (511 ~1erry Bros. Brick & Tile Co. 4 IS ~lasonic BWlg .. ,\ ugu'ta. Ga. ~IERR\'. W. H. (El 380 E. End A'e., Beayer. Pa. I Richmond Radiator Co. I ~IER\\I:\. Byron \\'. ,\\.) Parkway Rd .. R. R. 2 East Liyerpool. Ohio (Hall China ,C".I ~l ERZ. Geocge .heni:la De1fim ~loreira. SO, Leblon Rio de Janeiro. Brazil I :-'Iagne,ita S. ,\.1 :-'IESSI:>IER. Layerne A. (GIl Holophane Co., Xe"'ark. Ohio ~I ESS:\ ER. Paul DuBois. III Box Cc. .\Ifred, :\. Y. METAL & THERMIT CORP. '(;eoT!:e C. Betz) 100 E ...2nd St. :\ew York Ii, X. Y. ),IETZ. G. F. (~I) Hillside Dr., Farquhar E,tates York, Pa. (Hardinge Co., Inc.) :-'IETZGER. A. ]. (RI) Dept. of Ceramic Engineering Virginia Polytechnic Institute Blacksburg, Va. ~IETZGER, H. e. (M) E. E. Zimmerman Co. 1704 Keenan Bldg., Pittsburgh 22, Pa. ~IEl-LI, William P, ..509 19th Ave., ~. E. Seattle 5, Wash. MEXICO REFRACTORIES CO. (e. A. Smith) Mexico, Mo. MEYER. G. Robert (GJ) 1333' /. Utah St., Toledo 5, Ohio (Libbey-Owens-Ford Glass Co.) ~IEYER, George W. (Gl Glenshaw Glass Co., Inc. Glenshaw, Pa. :-'1 EYER, L. S. (5) Hyc1raulic-Press Brick Co. 705 Oli"e St., St. Louis 1, ~Io. ~IEYER, William W. (W) R. R. I, Box 632. Annandale, Va. l C. S. Tariff Commission) ~IEYERHOFER, E. A. Me)'erhofer & Co., Forchstrasse 2 Zurich 32, Switzerland MEYE~SCHOLER. HaM Carl Spittelerstrasse I Liestal, Switzerland (Tonwerk Lausen AG) ~IICHAEL. Frank L. (El) 319 Norbourne Bhd., 51. Matthews Louisville 7. Ky. (General Electric Co.) MICHEL. Howard (El 1513 E. 15th St., Tulsa, Okla. (Porcelain Enamel, Inc.) :-'lICHEL, S. 9 Rue Deye" :\euilly-S-Seine, France (Societe Anom'me des Etablissments G. Deyincau) . ~Il CHELOTTI, Joseph E. (WJI) 164 E. Essex A,e., Lansdowne, Pa. (Vitro Corp. of America) ~IICHENER, John William (G) Research Laboratory Owens-Corning Fiberglas Corp. Newark. Ohio ~IICKWITZ. Alexander von (R) 701 Main St., Latrobe, Pa. (Stupakoff Ceramic & ~lig. Div., Carborundum Co. 1 MIDDLESWARTH, Earl T. (G) 1819 Kimball Ave. Arnold. Pa. (Pittsburgh Plate Glass Co.) ~IIDDLETOX. George J. (W) 432 Fifth St., Manhattan Beach, Calif. I L. H. Butcher Co.) :-'IIDGETTE, Willard B. (GJ Demuth Glass \',:orks. Inc. Box 629. Parkersburg, W. Va. :-'11 K E. Thomas ~1. 40 \Vest 51.. Hornell, :\. Y. :-'IILV,I, Helio Box 1'2;. :\!fred, :\. Y. :-'lILD\\'OFF, Ben (G) Bent Gla" \rorks, Inc. 85-25 126th St. Richmond Hill 18, :\. Y. :-'1 ! LL.\R. :\. S. C. Brit;,h Titan I'ro,!ucb Co.. Ltd. Krono' Hou,e. Coppergate York. Eng-land ),11 LLER. B. L. (\\. I Royal China. Inc .. Sehring, Ohio :-'11 LLER. Hoyt! C. 151 :-'1 iller Equipment Co. Box 156(,. Sali,hury. :\. C. :-'1 ILLER. E. R. (W) \Vashing-ton Porcelain Co. \\'illow St.. \\a,hington. :\, J. ~IILLER. E,hnunt! H. 910 Poplar St.. Austin. Texas :-'1 I LLER, Fred ~L (R) The Brynwood, Apt. A-2" Wynnewood, Pa. IGeneral Refractories Co.) :-'1 ILLER. Fred W. (W) Franklin ~!anor, 114 Franklin St. Bldg. 8, Apt. B-2, ~Iorristown, :\. J. (Carborundum Co.) ~IILLER, Grant E. (EI) Ferro Corp . 4150 E. 56th St. Cleveland 5, Ohio ~IlLLER, Harold (E) 5736 N. Talman Ave.. Chicago 45, Ill. (Ohmite ~Hg. Co.) ~IILLER. Harold D. (~I) 189 Circle Dr.. Plandome ~lanor Long Island. :\. Y. (B. F. Drakenfe1d & Co., Inc.) ~Il LLER, Howard L. (RI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio :-'IILLER, James L. (R) 131 Peach St., Park Forest, Ill. (:\orton Co.) :-'IILLER. John B. (~1I) Third St.. Lewiston. X. Y. ITitanium Allo)' Mfg. Div., National Lead Co.) :-'IlLLER, John W. (W) :\ew Castle Refractories Co. :\ew Castle, Pa. .\IlLLER, Jorge Smith Casilla 187, Cristalerias de Chile S. A. Santiago, Chile .\IILLER. Marlin, Jr. 1733 Southwood Ave.. South Bend, Ind. :-'1 ILLER, O. E. (R) Pyro Refractories Co. Box 466. Oak Hill, Ohio :-'1 ILLER, Robert A. (GF) Pittsburgh Plate Glass Co. One Gatewa)' Center, Pittsburgh 22. Pa. :-'1 ILLER, R. V. (W) , Sovereign Potters Ltd. 282 Sherman Ave. X. Hamilton, Ont .. Canada :-'IILLER, Russel A. (WI) 251 E. Rockland St. Philadelphia 20, Pa. (Frankford Arsenal) ~lILLER, R. W. (G) Columbia-Southern Chemical Corp. One Gateway Center, Pittsburgh 22. Pa. :-'IILLER, Vincent P. (W) Miller Pottery Eng. Co. 2300 Palmer St., Pittsburgh 18, Pa. ~[ILLER, William A. (R) Carborundum Co., Falconer. K. Y. ~IILLICAX, Kenneth L. (R) Aluminum Co. of America .1300 :-lissouri :\\-e., East St. Loui" Ill. ~' j f t. l I,~ 1_ t j j i" ,--~ROSTER 59 , MILLlGAX. Che,ter E. (R) 481 ~ Loma Vi,ta Ave. Lo' Angeles. Calif. (Electro Refractorie' & A,bra,i"e; Corp.) MILLIGAX. Lowell (G) J\orton Company, One Xew Bond St. 'orce'ter 6, 11 a"'. IKEX. Ed\\ard C. (511 44 \\'. Xorth :\ \'e. East Pale,tine. Ohio (Xatco Corp.) MILLIKEX. Frank H. (S) Bowerston Shale Co.. Bower,ton. Ohio MILLIKEX. John H. (! I Xatco Corp .. Ea,t Canlon. Ohio ~flLLIKEX. }o,eph Edward (I) 228 W. \\'oodruff :\Ye. Columbu, I. Ohio ?tfILLIKEX. William :\1. Cle"eland :\lu,eum oi Art Cle"eland 6. Ohio MILLIKEX. \\'illiam r. Box 84i. :\\fred, X. Y. MILLMAX. Xathan (1) J. M. Huber Corp.. Huber, Ga. MILLS. G. Alexander (B) Houdr}' Process Corp., Box 427 Marcus Hook. Pa. MILLS. R. Gerald CheMet Program, Bldg. 22, Room 234 ~neral Electric Co. Schenectady 5. N. Y. MILTON BRICK CO., LTD. (D. T. Green) Box 554 Milton. Ont.. Canada ,MINER. Reginald R. (R) . 412 W. Chestnut Ave., Metuchen, N. J. (Carborundum Co.) MINK, John D. (G) . R. R. 2. Dunkirk, Ind. (Armstrong Cork Co.) MINNICK, L. John (R) 306 Boyer Rd.. Cheltenbam, Pa. .. (G. & W. H. Corson) ' . A L L . John B. (R) iser Aluminum & Cbemical Sales Inc. 422 First Xational Tower Akron 8. Ohio MIXTOK. G. Z. (GI) Pittsbuq:h Plate Gla:'S Co. Research Lab .. Creighton. Pa. MISSBACH. George E. (M) Morehouse Industries 707 Henry Grady Bldg., Atlanta, Ga. MISSISSIPPI GLASS CO. (Charles J. Youngblood, Jr.) 88 Angelica St.. St. Louis 7, Mo. MITCHELL, Guthrie M. (W) Fairfacts Co., Fairfacts St. Trenton 8. X. J. MITCHELL, Lane (BFI) School of Ceramic Engineering Georgia Institute of Technology Atlanta, Ga. ~fITCHELL, Russell G. (R) R. R. I, Dutch Ridge Rd. Beaver, Pa. (McDane] RefractorY Porcelain Co.) MITOFF. Stephan P. . 1839 Delaware St.. Berkeley 3. Calif. :\fITRA, H. K. (I) 12 A Road E,,,t Jamshedpur E.R .. India (Tata Iron & Steel Co .. Ltd.) MIXER, William G .. Ir. (\\') Box 214. Findlay.' Ohio (Radio Corp. oi America) ~fOCHEL. John :\1. (B) 2817 Charlestown Rd .. Xew .\Ibany, Ind. (Corhart Refractorie' Co.) ~10CKRIX. Isadore (B) nnsYI\.ania Salt 1\1 fg. Co. search & Development Div. x 4388 Chestnut Hill P.O. - .hiladelphia 18. Pa. :\fODlGLJAXI. Piero (G) Modi!!liani Gla" Fihers. Inc. Box 18. l.anea'ter. Ohi" VOL. :~;~, ::'\ n. Jl) (I !l.-)-O ~IODROXE. Raimondo Visconti di Soc. Ceramica Richard Ginori ~l ilan, via Bigli. I Italy ~WEBl'S, C. R. (1) l'nited Clay )'lines Corp. East Liverpool, Ollio ~IOFF.\T. John, Jr. (R) 32i5 Colol1\' Circle Lo, .\ngele~ 27. Calif. I Gladding, :\lcBean & Co.) ~lorFAT. John \r., Jr. (R) Babcock & Wilcox Co. 2i .10 Kopper;; Jillclg.. Pitt,burgh 19, Pa. ~IOFFETT, Robert A. (RI) 315 \\'. \\'alnut St .. Lock Ha\'en. Pa. I Xorth American Reir. Co.) ~IO~L\XTY. Gajendra Xath (I) Ceramic Engineering Dept. School oi ~I ines & ~Ietallurgy Rolla. ~Io. ~IOHL, Helmuth (\\'). Fabrica de Loza "La Favorita" S..\. Palma Xorte 308, Despacho 312 :\Iexico, D. F. :\IOHLER. Xeal F. (SI) Champion Brick Co. i600 Pula<ki Highway, Baltimore 6. 11d. ~IOHR, \\'illiam C. (WI) Shenango China, Inc., Xew Castle, Pa. :\IOHl'X, William A. (R) General Abrasive Co., Inc. 2000 College Ave. Niagara Falls, ~. Y. MOLER PRODUCTS, LTD. H)the Works Colchester, Essex, England :\IOLIXA. Joao Jernandes Gimenes Ceramica Sanitaria Porcelit. S.A. Rua Itapura 626. Sao Paulo. Brazil ~IOLLER, J. Aall Porsgrunds Porselaensfabrik Porsgrund, Norway ~IOXACK, A. J. (G) Box 305, Rutherford, N. J. (Consultant) :\IOXAGLE. William T. (E) Lloyd Ave.. Stanhope, N. J. (Reaction Motors, Inc.) :\IOXD.\Y. John C. (R) Hevi Duty Electric Co. 4212 W. Highland Blvd. ?tlilwaukee. Wisc. ~IOXET.\. Fausto \" ia ?I ambretti 9, Milano, Italy ~IOXG, Lewis E. (Rl 8506 Loughborough PI. Che,'y Chase IS, Md. (Xational Bureau of Standards) ~IONINGER. Richard E. (W) Park Blvd.. East Liverpool. Ohio (Wells\'ilIe China Co.) :\rOXK. Clarence B., Jr. (5) Structural Clav Products Res. Fdn. 20 X. Wacker' Dr.. Chicago, Ill. ~IOXKS. J. R. (G) Q41 Danforth St.. Alton, Ill. (Owens-Illinois) ~IOXROE. Graham D., Jr. Box 3019 Georgia ""titute of Technology .\tlanta. Ga. ~IONTAGNO. Antonio M. eE) 6Q Glenmont Ave .. Columbus 14, Ohio (Inland Enginet'ring Co.) ~IOXTE~I:\YOR, Ponciano 5., Jr. Box 1081 Monterrey, Xueva Leo~. Mexico ~IOXTGOMERY. Daniel (Sj) 23 X. Buckey St .. Crooksville. Ohio (\ratt Pottery Co.) :\IOXTGO~IERY, Earle T. (\\'FI) 12 W. Jeffrey PI., Columbus 14, Ohio (Consulting Engineer) :\IOXTGO:\IERY. Eldwin C. (G]) Libbe~'-Owen,-For" Glass Co. liOl E. Broadwa). Technical Dept. Toledo 5. Ohio ~IOXTGO~IERY, Thomas B. (R) Pittsburgh Plate Glass Co. 632 Ft. Duque;;ne Blvd. Pittsburgh 22. Pa. 110XTGO~IERY, Wa"ne C. (\r) .\Iuminum Co. of 'America 2.l0 Park .\ve., Xew York Ii. X. Y. :\100DY. H. Leslie (D\ Hyalyn Porcelain, Inc .. Box 46(, Hickory. X. C. ~100DY. Willi, E. (XI I 210 E. Franklin St .. Raleigh. X. l'. ( Xorth Carolina State Colle!!c) :\IOOXEY. Edward L. (\r) General Laboratory :\"oc.. JIlC. :\orwich. X. Y. :\100XEY. William F. (\\' I 7445 Etiwanda .\\'e.. Re-t',la. Calif. :\IOORE. Carleton B. Box ll/i..\!fred. X. Y. :\IOORE. Charb H. rR) P. R. ~Iallory & Co .. !Illlianap"li,. I".!. ~IOORE, Dwi!(ht G. (EFI) ?I ineraJ Product, Di "isioll :\ational Bureau of Standard, Washington 25, D. C. MOORE. H. Dept. of Glas, Tech"ology l'nhersit~ of Sheffield Elmfield, :\orthumberlanrl R,!. Sheffield 10, England :,IOORE. Henry (Gj 38 Potter Ave. West ~e\\' Brighton Staten Island, N. Y. (Metro Glass Co.) MOORE, James M. (S) Ashe Brick Co., Van Wyck, 5. C. MOORE, John G. (W) 405 E. Poplar St., Robinson 2, Ill. (W. A. Case & Son Mfg. Co.) MOORE &: MUNGER (Murray Rushmore. Jr.) 33 Rector 51. New York 6, N. Y. MOORE, Richard S. (RI) Harbison-\Valker Refractories C... Farmers Bank Bldg.. Pittsbur!(h 22, J'a. :\IOORE, Robert F. (R) Apt. B, Bldg. 68. 68 \Y. Steuben ~t. Crafton, Pittsburgh 5. Pa. (jones & Laughlin Steel Co.) ~IORAN, J. J. (Gl Landis A,e. & Sprir.g Rd. Vineland. X. J. (Kimble Gla" Co.) MORELL. X. L. (:\1) 313 enion Bank Bldg.. Bethkhcm. I'd. (X. L. Morell Co.) MORENA. Alired (WJIl 90 Hazel St.. Clifton, X. J. (Mucon Corp. l ~IORGAX. John ~1. 720 Rankin A ,-e.. Schenectady. X. Y. ~IORG:\N. Raymond W. (R) Koehler & Morgan Co, 12099 Woodbine, Detroit 39. ?I i<'1I. ~IORGAN. Robert A. (WI) Pa" & Seymour. Inc .. Syracu,e. N. Y. ~IORG.\X, Stuart F. (WI) "?,Iarshnere". Mattapoisett Xeck Rd. :\1 attapoisett, :\1 ass. (j. I. Paulding. Inc.) :\IORGAX, Willard L. (Gl 117 Hibiscus Dr.. Pitt,bur!!11 35. 1''1. ( Consultant) ~IORGAX. William R. (GFIl 13~3 Brookwood. Birmingham. ~I il'1I. (Peninsular Grinding Wheel Di ". Abrasive & ?1etal Products Co.) ~IORXIX, Bob L. (\\'1) 3885 Pierce. Wheatridge. Colo. (Coors Porcelain Co.) MORREX. Georges 20 Rue Debunne. Menin. Be1!!iulll :\10RRIS. Ern~'t D. l5 Ir"y Rr .. He,wall. Che'hire. En!!lalld (~I"rR'"n I<efractnrie' Ltd.) ROSTER til t f ~ t I ,I i i MORRIS, Fr:lIlk (\r) 235 Greenl'"i:;( .\w. Brooklyn 22. X. Y (Le\;ton ~I j" Co .. Inc.) MORRIS. Gl'''r,,~ J. (\\', Re,;earch DlPt.. Ferro Corp. 4150 E. ,11th ~t.. Cie\eland. Ohio MORRIS. 1f\ln~ H. 1\\" erro Corp. ~ 1,0 E. 5(,th St. 1<;Ieland. Ohi" RIS. John I .. 1\\' 1 1~~2i .\lli'lchalll. Xor",alk. Calii. (Durol'hrlillll' DU:.11l'o11lania Co.. Inc.) MORRIS. K,nt n 202 EI an- D:'.. Decatur. Ca. MORRIS, I'anl R ((;) PitblHlr""ll P1;!!t: I ;la:--:- (ll Crei!?htnn. !'a. MORRIS. \\'. ( I(~) 1251 ~I a\'t;el 01 Rid."e. C!<-\'eland 2.. , Ohio 1Har-kl\\ ,'I,ell1i"al Co., MORRIS()X. B,"ne 11 1(-;1 B. I' llrakenield &: Co.. Tne. Bo" 510. \\'a,hin!?ton. Pa. MORRTSOX. R F. I ~I) J!q GlIli Rol .. Elnia. Ohio (Har,;hall lh"mi~al Co.) MORRISOX. \\'allace S. IE) 840 Ce,lar St .. Rockionl. III. (Illinoi, \rat"r Treatment Co.) MORSE ..\rthllr E. Euclid Beach Trailer Park 45 Lincoln Dr.. Cle\'eland 10, Ohio MORSE. Clitford E. IG) Dominion l~la" Co .. Ltd. Box 10 0. ~lolltreal. Que., Canada MORSE. Georf,[e T. I \\'F) . 7 LOllf,[\'ie\\ Rd .. ~!etuchen. X. J. (l'nited Statt" Gypsum Co.) MORTON POTTERY CO. .... (S. \\'. Rapl'. Jr.) Morton. Ill. MORTOX. \\'illiam :\. (R) 46 Stan,li,h BI\'(I.. ~It. Lebanon Pitt,burl/h 2~. I'a. (Loitu, Enf,[ineering Corp.) 'MOSAIC TILE CO. ,ne''''ille. Ohio R. Berthold B. ndu-tria ('ertullica. Lt,la. Apartad" :\ereo 4~29. Bogota, Colombia MOSER. John E. I\\,) 21 ~ South .\ St .. ~!onmouth. Ill. (\\'e'ten: Stone",are Co.) MOSER. John I. I Rl.' 1210 .\corn Dr.. Da)'ton 9. Ohio (Carhorundum Co.) MOSS. LeRo)' L. I EI I \ralnut Hill, Rd .. Cle\'ebnd 22. Ohio (Ferro Corp.: ' MOTSCH. F. R. I G, Fo.;terForhe, Gla" Co .. ~!arion. Ind. MOULD. \\'. J. i \\', Skuhell\'ille Potter)' Co. Steuhemille. Ohio MOUNT CLEMENS POTTERY CO. (CharI", E. Doll) Mount Clemen,;. ~!ich. MOCR:\l'D. Panl H. (\\"l 14 In!?lejJe R,l. l'pper :'Ilontc1air. X. J. (Pal!e-~1:t,!,len Ceramic & La\'a Co.') MOWR EY. Fred \\'. IG) 10~ Ro';.:e", Dr .. X..w Kensin!(ton, Pa. (.\meri,::n \\'indo\\ Gla,;,; Co. I 1!L:ELLER. E,I\\ard E, (RI, School (~f ~r illeral El1J{ineeringl'l1i\er,it~ "i \\ a,hil1l!ton ~ ..attl~ 5. \ra,11. ~n'ELLER. r~nl .\. I R) 1.160 kud,:. (31'on City. Colo. I Fr....man Fire Rrick Co.) Ml:ELLER. lame,; I. I B I Cer:lll1ie "Ellcillt'c'rillJ! Di\'i~ion Sehoul oj ~I ineral En!(ineerin!( :ni\er,;~ty Oi. \\ ..,hinl"ton eattle ~. \\ a_h. L\DY. Ru"ell E. (\r) 45ll F. Hil!h St.. Xe\\ Philadelphia,Ohi" (Titanium \ll"y Dil ~:ltinnal I.t':t11 Co, I VOL. ;{;{, ;\0, 10 (HI.).!) ~!l'LL\X, ]o_eph (S) Champion Brick Co. iwn Pulaski High",ay Baltimore 6. :'lId. ~!lLLEX. \\'illard F, (S) RR. I. State College, Pa. I Con,;ultantl :'I!l'LLER. c;erhar,l Staatliche Porzellan:'Ilanuiaktur Berlir. Hartl1lann:--tra~:o.e 1-3 113a I ~elb/Oberir. r. ~. :OF!t:. Germany :'Ill'LLER. ~lax I RI} Ba,;ic ReiractClri..,; ~~o Hanna Bltll".. C1eyeland 15. Ohio ~J L'LLER. R"bert Ste. Emaillerie <ie St. ~[aurice 2~1 Rut' tit! Ya1 d o~ne 51 ~Iaurice. France :'Ill'LUG \X. Edllin F. (E I .I Ill1e, ~Ietal Pro,luct,; Co. \\'e-t I.aiaye:te. 0hio MULLITE REFRACTORIES CO. I Edward L. Bolm) Shelton, Conn. ~ll'LROY. .lame,; P. (EI) 065 Laia)ette .\\'e.. Buffalo 9. X. Y. ~!l'LRY.\X. Henry (R) Sierra Talc & Cia)' Co. Bil" 3'lO. South Pasadena. Calif. ~ll'L\'.\XE. O. E. (E) 413~ X. 21st St.. Milwaukee 9, Wisc. 1.\. O. Smith Corp,) !\!l-XDY. O. S. (Wil 426 Park :\\-e.. Wheaton. JIl. 1\\'e,;tern Electric Co.) ~!lRG.\TROYD, John B. Rock",are Glass, Ltd.. Rock",are :\ Ye. Greenford. Middlesex. England Ml'RPHY. Harry T. (R) Climax Fire Brick Co. Climax, Pa. Ml'RPHY. Remington M. (W) 4.?O Hixson AYe. Syracuse 6. 1\. Y. f Onondaga Pottery Co,) Ml'RR.\Y. Erne~t L. (M) l'nited States Quarry Tile Co. East Sparta. Ohio 1! l'R R:\ Y. Loui,; J. \'aal Potteries, Ltd . Box ~9 ~le\erton. Trans\'aal. South :\frica 1!lRR.\ Y. ~[aurice A. (W1) 502 Somer,et St. Xorth Plainfield. X. J. (Isclantite ~I fg. Corp.) :'IIl'RR.\ Y. Rohert S. (G) B. F. Drakenfeld & Co.. Inc. \\'a-hingtoll, Pa. ~!l'SSEU!:\X. H. G. (G) 4-il.l Old Frederick Rd. Baltimor.. 29. !\! d. (CarrLowrey Gla~s Co.) Ml'TTITT. F. C. f R) .\I!?onla Steel Corp. Sault Ste. ~!arie. Ont.. Canada MYCALEX CORP. OF AMERICA (Richard .\. Humphrey) Cliiton Bhd .. Clifton, N. J. l\lYERS. C. H. (R) 'I.'tah Fire Clay Co. Box 127. Salt Lake City, Utah ~!YERS. Charles V. nn Eli .. r Co.. Third :he .. Ford City. Pa. ~!YER'S. \\'ilhur C. (B) 2.. 01 ~!aIden Rd .. Cleyeland 21. Ohio (Bru.;h Electronic~) l\!YER<;OX. ~[artin (\\') 'J(I Hamilton St.. Cambridge ~!as,. Olyer,on Tooth Corp.) :'I!YGD.\L Rolf L. (\\') R,R. 5. Florence . .'\Ia. {StyIon Southern Corp.) N X:\DLER. :'Ilarion R. (R) 5825 Enri!(ht A\'e .. Dayton 3. Ohio (\rri!(htPatter,on Air Force Ba~e1 X,\G:\X. Harold l5~ Cro,man Terrace Roche.;ter 20. X. Y. XAK-\~!l"R.\. H. Henry (Bl .\rmour Re,;earch Foundation oi Illinois I n,;titute oi Technology 3.. 2i S. Federal St.. Chicago 16, III. X.\K,\l\!l'R.\. Yo,hikazu .\,;ahi Gla,' lo. 1. "Chome. (;inza. Choku Tokyo. .I apan X.-\I'IER. 101>n B. lSI 129i Burton :\ \ c .. l\! aCOll. Ga. I Cheroke.. Brick & Tile Co.) X:\SH. Haro!,! S. (DF, l'ni,>er:-,ity at Cincinnati Ceramic, Dept.. Cincinnati 21. Ohio X.\SH. Herbert 1\\" ~ollth{rll Califurnia Ga:, Cu. Box 324 lJ Terminal _-\nnt'x Lo,; ..\nl"ele, 54. Calii. NATCO CORP. (R ..-\. Shipley') 3.?i Fiith ,\\C., Pittsbur!?h 22. Pa. NATIONAL CERAMIC CO. I r. H. Culh"rt,on' 51JO Southard St.. Trenton 2. X. J. NATIONAL ENGINEERING CO. SIMPSON MIX-MULLER DIV. IE. B. Heul"'1 54" \\'. \Ya,;i1inl"ton Bh,d. Chicago 6. III. NATIONAL INDUSTRIAL SAND ASSN, I\'. P. Ahearn) 1325 ESt.. X,\\' .. Wa,hington ~, D. C. NATIONAL LEAD CO. (Alex Stewart) III Broad",ay. Xew York 6. ~. y, NATIONAL LIME AND STONE CO. (L. G. 1.00e) Fir,;t Xational Bldg. Findla\'. Ohio NATIONAL REFRACTORIES CO INC. (R. A. Hitchins) lith Floor Lewis Tower Bldg.. 225 S. 15th SI. Philadelphia 2. Pa. NATIONAL RESEARCH CORP. (Philip J. Clough) 70 ~!emorial Dr. Cambridl/e ~2, ~!a~s. 1\ Al'DOT. Jacques Directeur Cerabati Pont-Sail,te-~!axence (Oi,e) France X.\VIAS. Loui_ I BF) Re<;earch Lah .. General Electric Co. The Knoll,. Schenectady. X. Y. X:\ VRATlEL. Hans Tahn~tr. 3. Lauf I Pegnit7 Ba\"aria. Germany (Semhach & Co) XE:\L. Jame~ E. (R) 164 Sandford AYe. Xorth Plainfield. N'. J. l.Tohns-~!anyille. Inc.) XEAI.O:\. Ter..nce P. iJ) Edward Curran Engineering. Ltd. Cardiff. \\'ales XEDREBERG. R~ E. G, Box 226, Alfred, X. Y. XEEF, Walter D!) Hanln Co.. Inc . Summeryille. Pa. XEELY. Homer E .. Jr. (G) ..04 E. 11th A\e . Tarentum. Pa. (Pittsburgh Plate Glass Co.) XEFF, Edward D. (R) Box 205. Templeton, Pa, I Harbison-\\'alker Refractorie~ Co.') XEFF. John l\l. (R, :\rmour Re,;earch Foundation 10 W. 35th St .. Chicago 16, Ill. XEFF. RuS'cli l. (R) General Reiractorie,; Co. Oliye Hill. Ky X En!.-\X. Roher! IR) \\'hip-~Iix Corp" Inc. 411 \Y ...hery ..he .. Loui",'ille 8. Ky. XELLES. ~(aur;ce (D) Bor!(-\\'arner Central R..search Lah. i06 S. 25th :\\'e .. Bellwoo,l. Ill. XEI.SO:\. Forre,;t \\'. lEI' 33H S. Taylor. l\lihaukee i. \\'i~(. 1.\, O. Smith Corp. I XELSOX. James A. IRI l' ni\'er,ity of Tllinoi,; 20 .. Cera;nic,; Bldl".. l'rhana, Ill. XELSOX, Jame, \\' Riyertoll. R R. 2. Salt Lake City, l'tah ROSTER (j;~ ,.; .'. , .-J. ~ELSOX. Karl L 1\\'1 Hetzel Lane, R. R. 5 Cbattanoolta. Tenn. (American La\'a Corp.) NELSOX, RoLert E. IGl 17 Seneca ~Ianor Dr. seneca Fall,. X. Y. (Sylvania Electric Products, Inc.) SOX, Robert T. IR) ColumbiaGeneva Steel Divi,ion Box 510. Pro\'o, Ctah NELSOX, Theodore \\'. (~I) Socony\.acuum Laboratorie' Resea rch & De\'elopment Dept. Paulsboro. X. J. NELSOX, \\'illiam 1. (G]) 118 Mary St., Binghamton, X. Y. (Solvay Process Di\., Allied Chemical & Dye Corp. I NEREXSTOXE, ~Iarc .\. IX]) 311 \\'. i5th St .. Xew York 23, X. Y. NETTER, \\'illiam S. (G) 18081 ~I endota .\ \e., Detroit 21, ~I kh. (Peninsular Grinding Wheel Co.) NETZSCH, Eric Maschinenfabrik Gebrueder Xetl'ch Werkstrasse 10 . Selb (Bayern I, Germany NEUHACS. Jacques ,.... 18 Rue Charles Laffitte ')~.;: Neuilly Sur, Seine, France ,~";"~' (Soci~t~ Jean Xeuhaus) 1:.:lIQ!:UMA:\:\, Paul D. (G) '. i;~ 2 Knox St.. Campbell, X. Y. ,:.~.>: (Corning Glass Works)':3\~EW: ~yland J. (S). '.":<:\:" National Sewer PIpe Ltd. :>t:".:.: i. Box 36, Oakville, Ont., Canada 7itJEWARK, Frank F. (W) "":f\~ Aluminum Co. of America '-." ". 1450 Terminal Tower J~t(;:' Cleveland 13, Ohio ''4:';:.'llEWARK, ~Iartin (5) . 0;.. .. Simonds Abrasive Co. Tacony & Fraley Sts. Philadelphia 37, Pa. /', EWBOLD GENERAL . REFRACTORIES, LTD., Gavcv St. Mayfield. X. S. W., Australia . ." NEW CASTLE REFRACTORIES CO. (R. W. Rowland I Xew Castle, Pa. NEWCOMB, Rexford, Jr. (RIl 915 Dodge, Lake Geneva, Wise. (RX Chemical Co.) NEW JERSEY PORCELAIN CO. (J. M. Gilfillanl Box 908 Trenton 5. X. J. .:'.,NEWKIRK, Terry F. (B) Portland Cement Association Fellowship };ational Bureau of Standards Washington 25, D. C. . NEWMAX, Robert \V. (G) R. R. 5, Putnam Rd. Schenectady 6, };. Y. (General Electric Co.) NEWPORT, John J. (X) Dow Chemical Co.. Bldg. B 1220 Freeport, Texas NEWTOX, :herr C. (R) The Refractories Institute First Xatiollal Bank Bldg. Pittsburgh 22, Pa. };ICHOLSOX. Alben H. (D) Federal GlaS' Co. 515 Inni, .\ve.. Columbus 7, Ohio NIELSEX. Jame' W. (B) Bell Telepbone Laboratories Murray Hill, X. J. NIEMAX, A. H. (GI . Ohio Lime Co., Wood\'ille, Ohio . LE\\,SKI. B. K. . Main Enamel ~ffg. Co., Ltd. '. Gothic \\'orks, Angel Rd. Edmonton, London, X. 18, England NILES FIRE BRICK CO. U R. T. Clinll'anl 165 E. Park Ave. Xile,. 0hio VOL. a;~, ~O. 10 (Ifl.-)-!) NIPPON TOKI KAISHA. LTD. (Jun Isagawa) ;;.'1. Xoritakeshillm3chi. Xishiku. :\agoya. Japan :\ISlLA. Chester A. IG) il6 ~Iain St. Rl\'enon, :\. ]. I Simonds Abra,i"e Co.) XIYOGI. D. P. Sur Enamel & Stamping \\'orks, Ltd. 2-1 ~Iiddle Rd.. Entall)', Calcutta. ItHlia :\OBE5, Frederick 1. Carhorundum Co., Ltcl. :\Ianchester. Enll'lan,l XOBLES. EURen'e .L. IE) 3il-l Torrin!!ton .\\'C., Clneland 2", Oh in (Ferro Corp. I XOBLES. ~Ie"'in .\. I R I Oklahoma :\. & ~[ Ce,lle!!e ~Iechanical En!!ineerin!! Dept. Stilh,aler. Okla, :\OBLITT. H. L. I(~ I Ortona Gold ~I ines. Ltel. 1-13 First :\\e .. Ottawa, Ont .. Canada XOD.\. Tokito Dept. of :\pplied Chemistry Facult)' of Engineering :\a!!oya Cniversity Chikusaku. Xagoya, Japan XOHLE. Richard C (SJI) Claycraft Co. Box 866, Columbus 16, Ohio XOLAX, William F. Deposit, !\. Y. XORA:\TE. Xicholas J. 600 Sprin!! St., Latrobe, Pa. :\ORDBERG, ~Iartin E. (G) IH E. Fourth St., Corning, X. Y. (Corning Glass Works) XORDGRE:'\, Harry Aktieholaget Gustavsberg Fabriker Gustavsberg, Stockholm. Sweden XORDMEYER. Rudy L. (S) Valley Brick & Tile Co. :\Iission, Texas XORDQrIST, Lawrence E. (BJ) 9-111 S. St. Louis Ave. Cbica!(o -12, Ill. (Zenith Radio Corp.) XORDYKE. J. S. 1m Hammond Lead Products, Inc. 1602 OI;\'er Bldg., Pittsburgh 22. Pa. XOREX, Saul Box 706, Alfred. X. Y. XOR:\I:\XDEAl', Pierre (D) 3660 Hutchison St. :\lontreal 18. Que.. Canada NORTH AMERICAN PHILIPS CO.. INC. (C J. Woods) Research & Control Instruments Dh. 750 S. Fulton Ave .. ~ft. Vernon, X. Y. NORTH AMERICAN REFRACTORIES CO. t E. M. Weinfurtner) Xational City E. Sixth Bldg. Cleveland 1-1. Ohio NORTH CAROLINA FELDSPAR CORP. (W. F. Deneen) Erwin. Tenn. NORTHWESTERN GLASS CO. I Edward S. Campbell) 5801 E. :\larginal Way, Seattle -I, Wash. NORTHWESTERN TERRA COTTA CO. CBurnette Purcell) 1750 Wrightwood Ave .. Chicago 1-1, Ill. XORTO:\, Charles L.. Jr. (RF) 161 E. 42nd St., Xew York 17, X. Y, (Babcock & Wilcox Co.) NORTON CO. <0. J. Whittemore, Jr.) Worcester 6, Mass. :\ORTOX, Frederick H. (BFI) Dept. of Metallurgy Di,. of Ceramics Mass. Institute of Technology Cambridge 39, Mass. XORTO:\, James M. (R) 125 Kent Blvd., Salamanca, N. Y. Ie. B. Xorton & Son Co.) XOR\\'.\LK. ~Iarshall H. i -I Ch6ter Circle. Xell Brunswick. X. J. XOR\\'OOD. George :\1. I S I :\on\oOlI Brick Co. Box 5-116, Raleigh. X. C. :\OR\\'(JOD. J. Xe150n (Life. X) :\Ifreel lni\ersit)'. :\Iired, :\. Y. XO\':\I\:. John 1'. I El 31-1-1 S. Harlem :\'t:.. Ri,er.,icle, IIi. IChica!(o \'itreous Corp. I XO\,Y ..-\nton R. I B) RI-IO :\Ierrill .\'e .. :\iles. III. ~reat Lakes Carhon Corp.) :\O\Y. Otto R. lEI 1525 Rohin Hood Lam' Lal;range I'ark, Ill. I Chicago \'itreous lorp. I :\O\\'EI.1.. Dorroh 1... Jr. IS) 202 Broad SI.. :\u!!'bta. Ga. I ~Ierr)' Bros. Brick & Tile Co.) XYQl'IST, Rny .\. (GI .1650 Beech\\a)' Bhd .. To]t:el" 1-1. Ohi" (l.ihhe,-()\\,n,Fnrd Cla-s Co.) o OAKLEY, W. \\'. (GFI Box 35, Corning. X. Y. (Corning Glass Works) O'BAXXOX, L. S. (E) 2239 Farleigh Rd., Columhus 21, Ohio (Battelle ~Iemorial Institute) OBERST, Clair R. Df) Industrial Ceramic Products, Inc. Q65 \\'. Fifth :\ve., Columbus 8, Ohio O'BRIEX, :\e;1 H. 20 Central Dr., Port Washington, X. Y. O'CO:\XELL, Thomas B. (G) Libhev-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio O'COXXOR. Jerry B. 1:\1) 333 W, State St., Trenton 8, X. J. (0. Hommel Co.) ODELL. George D. IG) Ohio Lime Co., \\'oodville. Ohio 000:\1. Paul R. (:\1]) 3882 51. Charles PI., ~Iacon, Ga. (J. :\1. H uher Corp.) OESCH, Rohcrt B. (5) Teague Brick & Tile Co., Teague, Texa, OESTERLE. Henry (E) Roe'ch Enamel & ~lf!1. Co. \\'. Main & X. 2-1th Sts. Belle\'ille, Ill. OESTERLE, Robert .\. (E) 2427 "\'. ~lain, Belle\'i1Ie, Ill. (Roesch Enamel & :\lfg. Co.) OGDEX, D. P. (6) Ogden Engineering Co. Box 218, Ottawa, Ill. OGOEX, Ellsworth P. (RF) Box 537, Granhy, Colo. (Consultant) OGDEX, John T. (GF) Glass Industry 55 v.'. -t2nd St., Xew York 36, X. Y. OGOEX, William D., Jr. (I) Island Route. Lock Ha\'en, Pa. OHIO BRASS CO. (J. J. Taylor) Barberton, Obio OHIO CLAY CO. (Xorman E. Denison) Box 17i6. Cleveland 5, Ohio OHIO LIME CO. (A. H. Xieman) \\'ood\'ille, Ohio OHLIGER, Lewis P. (G) 209 Ridgedew Dr. East Rocbester, X. Y, (Bausch & Lomb Optical Co.) OHXYSTY, Basil Sec. L5, DC6/XTS, Xewport, R. I. O'LEARY, W. J. (R) 300 E. 25th St., Wilmington, Del. (E. I. du Pont de Xel110urs & Co.) OLD HICKORY CLAY CO. (L. F. Powell) Box 2il. Paducah. K\". ROSTER G.'l 11 i.t ,I I f,, J ,); ,r.', , I I. ,t I ,f OLIVE, Frank C. (RJ 509 Chamber of Commerce Bldg. Indianapolis 4, Ind. OLIVER, John C. (E) Porcelain Enamel Institute Dupont Circle Bldg. 1346 Connecticut A'e .. X. W. washington 6. D. C. VER, W. V. 1\\'1 French Saxon China Co., Sebring. Ohio OLSE~, Eric (D I R. R. 63, Dundee, Ill. (Haeger Potterie,. Inc.) OLSEN, John :'I!. I E) E. 1. du Pont de Xemours & Co .. Inc. Electrochemical, Dept. Wilmington "8. Del. OLSEN, Rangwald S. lEI) 113i Grant St.. !;:"anston, Ill. (Armour Research Fout1llationl OLSON, E E. IGI A. H. Heisey & Co., Xewark, Ohio 'OLSON, Hjalmar Aktiebolaget Gustavshergs Fabriker Gustavsberg. Sweden OLSOK, Ole A. (RI 5 Wrenwood Court \Vebster Groves 19, Mo. . .'. (Laclede-Christy Co.) .ONONDAGA POTTERY CO. (R. H. Pass) '" :,.....:.. 1856-58 W. Fayette St. :'.,~~",' Syracuse 4, X. Y. '}1.~:'QPPER, Fred H. (R) ::/i::. Savannah Kaolin Co. .:';"':' 314 American Bldg. : .~;{:..' Box 184, Savannah. Ga. -:~;l.pRAVEC, Joseph A. (S) )"i. 3731 N. Kewland Ave. Chicago 34. Ill. ';:iJOREFRACTION, INC. .~-;?-i: (Albert L. Kreuer) H25 Thomas St. ::': :.: Pittsburgh 8. Pa. ;;i",ORME, William C. (G) :.,~;,.':' Cambridge Glass Co., Cambridge. Ohio :ft~::ORMSBY, Walter C. :;...,. .214 Fairmount :he. State College, Pa. . ELLA, LeRo)' F. (GJ) :'. 3206 Upton Ave.. Toledo 6. Ohio ~.,.. (Glass Fibers, Inc.) ..ORR. David B. R.R. 2, Oneonta, X. Y. ORTH, Howard S. nn ...'.. Industrial Ceramic Products. Inc. 965 W. Fifth ,he.. Columbus 8, Ohio c. ORTMAN. Fred B. (RFI) Gladding, McBean & Co. 2901 Los Feliz Blvd. . Los Angeles 3Q, Calif. ".ORTMAN, Robert C. (W) 4419 Union St., La Canada. Calif. (Robert C. Ortman Pottery Mfg. Co.) ORTON, EDWARD, JR., CERAMIC FOUNDATION 0. L. Carruthers) 1445 Summit St. Box 146, Sta. A, Columbus 1, Ohio ORTO:K, Mrs. Edward. Jr. 39 W. Torrence Rd., Columbus, Ohio ORZA:KO, Michael J. (51) Claycraft Co. Box 866, Columbus 16, Obio OSAWA, H. K. (5) 3512 E. Fifth St . Los Angeles, Calif. OSBOR:K, Elburt F. (B) College of Mineral Industries Pennsylvania State t'ni\'ersity State College, Pa. OSBORN, Walton O. (R) :Korth American Refractories Co. \Vater St., Lock Haven, Pa. OSBORNE, David G. (J) Lemington Glass \\'orks Ltd. Lemington t Newcastle-on-Tyne 5, England TERHOLTZ, Carl (R) . A. P, Green Fire Brick Co. Mexico. Mo. STERMAN. James W. (R) 675 Copley Rd .. Apt. 3. ,-\kron, Ohio (Kaiser Aluminum & Chemical Sales. Inc.) VOL. 33, No. 10 (19,')4) OST:'I!:\X, Emil L. (E) 862-43rd St., Brooklyn 32, X. Y. (Bettinger Corp.) -OSTR.-\NDER, Eugene C. IGI Kopp Glass, Inc. Box 8255, SwisS\'ale, Pittsburgh 18. Pa. OTLEY. J. D. (S) John B. Kelly Inc. of Penn . Ii 20 Cherry St., Philadelphia 3, Pa. OTTAWA SILICA CO. I George A. Thornton) Box 43i Ottawa, Ill. OTTO. George H. (S) 53 \\'. JacbclI1 B1,d., Chicago -t, Ill. (Con"ultant) OTTO. William H. (G I OwetbCorning Fibergla, Corp. Newark, Ohio OTTOSO:\ ..\xel (GIl -t.J00 Highland ..'Ixe.. Shadyside, Ohio I Imperial (;la,;s. Corp.) OVERDOR F. Lt. (J.G.) Thomas R. (RJ I l'nited States :\an' \S38. F. P.O., San Francisco, Calif. O\\'EN, Frederick E. (R) Electrical Refractories Co. East Palestine, Ohio O\\,EX, J- D. R. Fowler, Ltd., Fitzrov St. :'Ifarrichille, Sydney, K.S.\\'" Australia OWENS-CORNING FIBERGLAS CORP. L-\. C. Siefert) Xewark, Ohio OWENS-ILLINOIS (E. W. Summers) General Engineering Dept., Alton, III. OWENS-ILLINOIS GLASS CO (\\" Funke) Box 1019 Oakland 4, Calif. OWEXS. James S. (W) Champion Spark Plug Co., Ceramic Dh-. 8525 Butler Ave., Detroit 11. Mich. OWEXS, Robert K. (XJI) 813 W. Church St" Elmira, N. Y. (:\orth American Refractories Co.) P PABST. John G. (:'If) 552 X. Main St., Butler, Pa. (Saxonburg Ceramics) PACIFIC CLAY PRODUCTS (John D. Fredericks) Box 21 i8, Terminal Annex Los Angeles 54. Calif. PACIFIC COAST BORAX CO. (:\1. H. Pickard) Div. of Borax Consolidated, Ltd. 100 Park Ave., New York Ii, :K. Y. PACKMAX. Willard D. (WI) 1759' /. Dale Rd., Cincinnati 3i, Ohio (Cambridge Tile Mfg. Co.) PADEN CITY POTTERY CO. (Merrill C. Sondles) Paden City, W. Va. PADFIELD, Ralph C. ('I"') Apt. 10F, Parkhurst Apts. Bethlehem, Pa. (Bethlehem Steel Co.) PADILLA, Federico Apartado Postal 26783, Mexico, D. F. (Electroceramica, S. A.) PAFF, John A. (G) 232 :\. Sixth St., Reading, Pa. (\\'illson Products. Inc.) PAFFORD, Ray W. (SF) Acme Brick Co. Box 425, Fort Worth I, Texas PAGE-MADDEN CO . INC. (Jesse F. Madden) 76-96 Second St., Box 110 Mineola, K. Y. PALADI:\O, Albert E., Jr. Box B B. Alfred, K. Y. P.-\LA~fARA, Louis M. (S) 1526 Linden Ave., Zanesville, Ohio (Donald Hager Ceramic Materials) P:\UfER, Delos M. (D) 4-tOI Jackman Rd.. Toledo 12, Ohio (Delos :'If. Palmer & A>sociate,;) P:\LMER, Joseph D. (W) 2432 Ontario Ave., Niagara Falls, N. Y. (Carborundum Co.) PADfER, Rufus N. (M) 4i6 Broadmoor Ave., Pittsburgh 3-t, Pa. I ConsuItant) P.-\DfER, Willard E. (WI) Box 205, Brazil, Ind. (Arketex Ceramic Corp.) PALMERI, Victor R. Casilla Correo 38 Suc. Velez Sarsfield i Buenos .'\ires, .-\rgentina P:'IDfOl'R. Hayne III (RI) Box 204. Signal :'Ifuuntain. Tenn. I.\meriean La,'a Corp.) P.\LTZER. Clifford (XJ I 1100 Peace St .. Pella. la. PAPER MAKERS IMPORTING CO., INC. (Charle> Brian) -t4 S. Second St .. Easton, I'a. PAPIER. Harry (S) Xatco Corp.. Cord""a, Ala. P.-\PPIS, James 433 Brookline A,e., Boston 15. :'lIas>. PARCEL, Martin W. (W) Robertson :'Iffg. Co . Box 8-t8, Trenton 5, N. J. PARHAM, Robert C. tW) Sippi Products Co., Wickliffe, Ky. PARIKH, Niranjan M. 1-1etallurgy Section Scientific Laboratory Ford Motor Co., Dearborn, ~Iilh. PARKER, Glidden ~f., Jr. (D) Glidden Pottery. Inc., Alfred, N. Y. PARKER, HarT)' (Rn I 015 Quebec Terrace Sil\'er Spring, Md. (i\ational Bureau of Standards) PARKER, James W., Jr. (S' R.R. 3, Shakespeare Rd. Columbia. S. C. (Carolina Ceramics, Inc.) PARKER. Leon (G) H. 1. Thompson Fiber Glass Co. 1733 Cordova St., Los Angeles i. Calif. PARKER, Raymond W. (R) Alliance Clav Product Co. Box 7-t6, A liiance, Ohio PAR~IER, Jess H., Jr. (G) Owens Illinois 1625 E. Broadway, Alton, Ill. P.\R:\H.Uf. H. General Refractories Ltd. \Vorksop. England PARSOX. James A. (WI) 62li Broadway, Indianapolis 20, Ind. (Vitroseal Corp.) P:\RSO:\S, Douglas E. (S) Building Technology Division Xational Bureau of Standards Washington 25, D. C. PARSONS, J. R, (R) Chicago Fire Brick Co. i531 S. Ashland Ave., Chicago 20, Ill. PASKo Joseph A. (BFI) Division of Mineral Technology Uni"ersity of California Berkeley 4, Calif. P.\SPY, Stanley F .. Jr. (R) Ferro Corp. 4150 E. 56th St .. Cle\'eland 5, Ohio PASS, J. S. (W) Pass & Seymour, Inc. Soh-ay Station. Syracuse 9, N. Y. PASS, R. H. (W) Onondaga Pottery Co. 1856-58 \Y. Fayette St. Syracuse 4, N. Y. PASS & SEYMOUR. INC. (]. S. Pass) Sol\'ay Station. Syracuse 9. N. Y. l',-\TERSON. G. W. fRl Refractories Engr. & Supplies, Ltd. 8291 Royden Rd. :'Ifonnt Royal. Que" Canada ROSTER 6i i I I,, ,,~" : t t I, :f>. ;:rU.-\i-.L\, .-\rmanuo S, E. Piedra, 383 .6uet1O~ .\ires, ~-\rgentina lA. 1'. I~r~~n Fire Brick Co. I PA fRICK. lio\\anl 2929 Kling .-\ \'e" Cincinnati 11, Oili" ICK, Robert F. <EI) emco Corp. 2554 Greenmount .\\'~. Baltimore 18. ~l d. F:\TTERSO:\. Han'ey E. (~l I T. L. Smith Co. 2835 :\ 3~nd St.. ~lil\\aukee III. \\i .l'. F.\TTERSO.'\. Rieh"nl C. IXJI United State" Quarry Til~ ("" Parkersburg. \\'. Va. IAULSO:\. Fred H. IR) 28 Greendale .-\\e.. \\'ofl'e,ter 6. ~"',' (:\orton CO.I r.\VLISH ..\rnold E. 11;1'1 29J4 Clark"", Rd. L1e\'e!and 11<:igllt, 18. Ohio (Cle\ eland Sepply Co. I I.-\',\LO\\SKI. Edward J. (\V) 11 ~Iorri, St.. :\mst~nlam. :\. Y. (Llbca Insulator Co.) r:;:ARCE. Charles S. (Fl American Ceramic Society 4055 :\. High St., Columhus H, Ohi" PEARCH, Howard C. (\\i]l) ::::.. 1309 \\"oodington Rd., Baltimore, ~l,L :':.<.:" (Locke Dept., General Electric Co.) ;';~:PEARCH, William ~l. (W) r:;>:.: Akron Porcelain Co., Akron 14, Ohio ~;fEARSO:\, Edward P. (R) ,- .' :'i:.::::. Basic Refractories, Inc. :~1; Maple Grove. Ohio "':"PEARSON, E, J. & J. LTD. ;>:i/":.~i:,L (Charles A. G. Thomas) Firebrick Works ..J:!. Stourbridge, England {:';PEASE, Philip J, (G) )(~". 1405 Washington Ave. \;:"~.' Parkersburg, W, Va. .':.. (Demuth Glass \Vorks, Inc.) HMA:\, Alexander (WI) .... 4625 1 /, Park Blvd., San Diego 16, Calif. "":.' (Ryan Aeronautical Co.) . ,.PECK, J. Clair (51) . 634 W. King St., York, Pa. (Glen-Ger)' Shale Brick Corp.) PECKHAM. George W, (G) Chattanooga Glass Co. Chattanooga 10, Tenn. . PEDRICK, W. W. (G) Armstrong Cork Co" MilI\"ille. X. ]. 'PEDe, Richard K. '(~Ul) 129 Chestnut St., Garden Cit\" :\. Y. ~:PEEL,G. N. . Associated Lead Manufacturers Ltd. Crescent House ".~ Newcastleon- Trne, 1, England PElLER, Karl E. (GF) Hartford,Empire Co. Di\", Emhart Mfg. Co. Box 1620, Hartford 2, Conn. PELZ, Robert W. (E1) 2706 Gro\'ewood, Parma 9, Ohio (Ferro Corp.) PEMCO CORP. (Richard H. Turk) 5601 Eastern A\'e., Baltimore 24, ~Id. PENBERTHY. Larrr (Gl Penberthy Electromelt Co. 2317 47th S. \\" .. Seattle 6, Wash. PE:\CE, Forrest K. (\\'FI) 1609 Scenic Dr .. Austin, Texas PENNSYLVANIA PULVERIZING CO, (William J. Woods, Jr.) 140 Stanwix St., Pittshurgh 22, Pa, PEXTECOST, Joseph L. l'ni\'ersity of Illinois 204 Ceramics, l:rLana, Ill. EIRA, Armando de Arruda (F) Caixa Postal 1930, Sao Paulo, Brazil . (Ceramica Sao Caetano, SI A) PEREXY, Andrew (~l) Pereny Equipment Co. Il",! Chamhers Rd. Rnx 153. Station ,\. C"lullll111S. Ohi" VUL. :~:), :\0. 10 (l!l-,).f) I'ERK[:\S, Harrell L. (~I, Central oi G~orJ.ria Rail \\ a) C". SOl Rhode, H a \'erty BId!! . .\tlanta 3, Ca. I'ERKI:\S. \\alttr \~'. 1\\'11 6UO De \\"itt St .. Linden, :\. J. It'. S. Stl>lleWare Co. I I'ERRY. RoL~rt F. 1\\'11 Box 2:>.\. \. ictor. .'\. Y. I \'iC1(lr III .. ulator .... Inc. I PERRY. Rohert \\'. Box i8i. :\lfr,~'L ;-.;. Y. PERRY. 1. Ra) lniu:r",it\ of Texa,;:, Dt'IH (It 'Ceramic Engint"t"rillg :\U~tlll. Texas I'ERTl'CH. \\'alter ,-\. R. (DI Franklin Institute Lihrary 211th Ii: Parkway. I'hila,lelpbia 3. I'a. PES" 1\. \\'illiam I~ I \\' I Carl'{lfUIHlulIl Co. Perth .\mbo:. :\ J. PETERS. Forre,t 1. 1(;) 2 ~leado\l Brook .-\pts.. Coc"ing. \. Y. ICorning CIa" \Vorks I I'ETERSE:\. Fred :\. I EFI) Hunter- Thomas .-\~:';ol'iate... "eith Bldg.. Cle\"t'lalH1 IS, Ohi" I'ETERSO:\ ..-\Ihert F. Box 24(" :\Ifrell. :\. Y. PETERSO;-';, Jack D. (G, 302'1 I23nl St .. Tolello II. Ohi" (Kimhl~ Glass Oi\ .. OwensIlIinois Glass Co.) I'ETERSO:\, Jack L. (R) 9911 Calmada :\"e.. Whittier, C~;ij. nleh'in L. Tontz Co.) PETERSO:\. Joim .-\., Jr. (S) R.R. H. Box 5.'0 Xew Brun"w'i,'k, :\. 1. (Federal Seal:oard Terra Co~:~ Corl'.' PETERSO:\. W. H .. Ir. IR) Valenti::e Fire Briok Co Di\,. A. l' Green Fi-e n ic', C '. Woodhridl<'e. :\ . .1 . PETRIE E o r1 C. IPI") \('I"h \ 1l1t'''i:.'':lJ' Ref-,., ...t"o;e' Co. 1f11' :-\"tio',al C;. E. ~i .. ~'l gl,l g . (', ..\ el~I'(1 14 01';0 PETRIE, 1.10\"(1 R. (\\') .105 \\'e't'ern, :\hing-don, TIl. I -\hi"l<'don Potteries. Inc.) PETT, Tder G. IG) 261 :-\ntlers Dr.. Roche,ter 18. :\. Y. IBau,ch & Lomb Optioal Co.) PETTINOS, George F .. Inc. (G~org-e F. Petti '0'. Sr.) 120', Locll t St., Philadelphia I. 1'.:. I"ETTI:-\OS. Gelq(e F .. Sr. (R) G~o-"e F. l'elti"o"'. Inc. 120:,' Loc,,,,t St.. Philadelphia I, 1'". P"TTK ER, r. H. ((~ \ Latchfofl'l.?\larhle Glass Co. Box 4707. Florence Branch 1.0' .-\nl<'ele' 1. Calif. I'ETTY. Frank I\\" , 2ii1 \\'. 2.lOth St. F' i '\'iew Park 26. Ohio I el~\ ,,',n'd Cer"mi,' en p.) [":TTY flow"rd F. (<;, .(11Y3a1 nRh~"o'f"iiil Lin 'oln Rri,,:- ~I2fg.NCehor..) l'EYCIIES. 1'. h'an Ct=I:~"t" .It' Rldlt{'ht'~ l!e 1a Cit' tit Sail't(;o1:ain <2 Po\')e\'aflI l'e la VI'lette Pac;. J'I. France f'7.\UDLER Co. I Sj':l1ey V\'. ~1cC"nn I 1O01l \\~t .\\e.. R,,('he;ter 3. .'\. Y. I 1'7:1 Fl'. C 11. (R) Cll-C~"-T'leiff Co,p. r'"" ;'2i. ~le:"l'he'l. :\. J. I':CEIFFER. Willll1r II. I EFI) E' gineerin/o! L~h .. Pla"t 2 F .. i!ri,lair~ Ili\"., G:1:e-al ~Iotor, C"rp. J)~\ton J. Ohio I F: .U;ER. C''''ge E. (~11 H ',r- ha\\ Chemical ("(I, .'.!~; ~ (~:trli(..ld. 1.0" \: J!C:'h-... C:dii j 1\ IJldc. \ . S. L ellt. al l'ottefle:--, Lhl. 1t \\ ari. ~ a~n,ur .!. India PHELPS DODGE CORP. MORENCI BRANCH ,I. L ~Id),miell ~I oft'tlci ..-\ riz. I'll EU'S, (;iran! \\'. 1\\'1 41u E. ~lagl",li" i),... ~Iorri.,ille. i'a. Il'nit~d (-Jay ~I in~, ('u: p. I PH ELI'S. ~tuart ~1. I RF I ~lell"n IIHit\lt~. i'itt,Lnrgh 1.1. I'". 1'1l1U'I:\. 101m I'. I\\'J 1:'I,i ~1~'FarlalltI RtI .. l'in,Lnrgb I I,. l'a I \"111"1' ~I ig. C" I l'HILI.lf'S ..\tIrian \\ .. .Ir (R, 3ltl F3irlllont .\\t:~.. \t'\\ (a~tlt'. (~ht'l1ai.I-:"(O China. Irlcl 1'~. !'H1LLll'S. ('hark.,1. 1\;' Radi., Cprp of .\lIleril'a Rl'.\ \'"'I,,r lJi\ .. Hld~. ~ .; CallHiell. :\. ]. 1'111 LUI'S. Donald C. I X I 280~ l.\"lllle :\\e.. Hatboru. ~I R.. "a. I Prel'i,ion (;rinding \\"heel) PH I LI.1 PS, Edwin. I.. DII) Carolina Pyrophyllite Co. Box 2414. Greenshoro, :\. C. PH ILLl PS, Gordon D. I \\' I Oleall Tile Co.. Olean, :\. Y. PHILLIPS, lark E. (WI Box 44, Lakewood A\'e. East Quogue, I.. !.. !\. Y. (Brookha\'en :\ al iona! Lab.) PHI LLI PS James G. I Rl) Dept. of ~line" & Technical SUf\"e)"s ~Iilles Branch. Industrial "finera!> Di\. Lnlia St .. Oll~wa, Ont.. Cana,la PHILLIPS, Leigh F. (B) Box 8i. East Quol<'ue, L. I., 1\. Y. I Brookh:J\"en :\ationa\ Lah. I PHILI.1PS. Richard A. Bo" 847, Alfred, :\. Y. PHILLIPS, W. E:i: It;) Dup!:.:e C~lIa,la Ltd. :0 SI. ('''.ir .-\,e. \\.. To. o.to. O:.t., C~n'illa PIIOE:\lX, Richart! Carl (\\')1) 4,i' /" Elm St .. South Dartmouth, ~las,. I Con,ellDuhilier Electric Corp.) 1'1CK:\RD, ~1. II. I~l) Pacific Coast Borax Co. Di\'. oj Bor"" Con,olirIate,1. Ltd. 1UO Park :he.. :\ ew York 17. X. Y. PIC"ETT, .-\. R. IRI .-\lumiLlll1l Cll. uf :\meril.:a 1501 .\koa BIoiI<'.. !'ittslmrgh I". !'a. PIEPER ..\rthur O. 1M) 105 Trnor Court Rd. Roche, ter 10, l\. Y. (Heam Indu,trial Ceramil' Corp.) PIERCE GLASS CO, (J. I;, Bozzo) Port .\lJel<'any, Pa. PIERCE. 1. .\lIen IRI 79:> Chalmer, 1'1.. Pillshurgh 16. Pa. I Harj;j Oll \\' alker Hefractori"s Co.) PIERPO:\T. Harlall T .. Jr. I R) :\ortOll Co.. I :\e\\ BO:lll SI. \\'orrester 6, ~1a". 1'1 EHSO:\. lame, f. (~lll P"mco Coc\J.. S,de, Dept. 5601 Eatert' .\\e.. Baltimort 24. ~1,1. 1'1 K E. Robert lJ. (R I Hrook Lall~. Cat"owieh. COIlIl I COIl'ultant) \'IL"\;-';CTO:\, La\lrellre II. :\. ~l",sr,. I'ilkillg-ton Bm,.. Ltd. Gla" \\(leks. St. flelell'. ElIl<'lallll PILKINGTON'S TILES SOUTH AFRICA (PTY.) LTD. (C.:\ Dll\\ !ling I Box 711 ~1 t'\ l'rton. Tran .. ' aal. ~(ll\th \ frir<l I'I.'\Cl'S.\lexi, G. 1(;) 10f>! (;1"n\\o",1 BI\'d. Sl'hellerta,I~' 8. X Y. I (~eneral Ele('tri" Co) I'I.'\:\EY . .I ~I I\\'I Harker Potter.' Co. F:l"~ I i\ lrpllld. ()hio Rn!"-TEH li!l 11 1; f \ t ,,J f ; .r I i I -J PI:-iKO\\', Harley R. I \V) Pond St., R. R. 19 East Liyerpool, Ohio (Hall China Co., PINOTTl, Fred D. (G) 2324 :'liddlesex Dr., Toledo, Ohio Kimble Glass Co.) LA, J. Donald (Rl orning Glass \\orks. Corning. X. Y. PITTEXGER. John T. (\V) Box 207, Xe\\'e1l, \V. Va. (Homer Lau!!hlin China Co.) PITTMAX, Jack 3932 E. "lercer \\'ay Mercer bland. \Vash. PITTMAX. \\'illiam C. I R I 1119 Omena 1'1.. Cincinnati 38, Ohio (Cha'. T"ylor Sons Co.) PITTS, Joseph \\'. ,E) Xational Bureau oj Stamlanl, Enameled "letal- Section '''lashing-!on 25. D. C. PITTSBURGH CORNING CORP, (Walter D. Ford) Technical Dept. Port Alle!(any. Pa. PITTSBURGH PLATE GLASS CO. (S. F. Cox) Creighton, Pa. PIXLEY, Dayid :'1. I GJ ) Paris Rd .. Xew Hartford. X. Y. PIXLEY. Francis V. (S) . ,' 358 Grand St., Xewburgh, X. Y. /' (Swindell-Dressler) f'PLACE, Tom M. <,VI) .::;'?~_:. 6250 S. Fairfax AYe. ,'. c,:- Los Angeles 56, Calif. ..... . (Place Industrial Ceramics Corp.) ":l'LACE. Thomas :'.1., Jr. (W) :':f;;" 7909 Alverstone :he., Apt. 12 \\~, Los Angeles 45, Calif. .?:.": (Place Industrial Ceramics Corp.) :,'.PLAGGE. Vernon L. (G) '.,' 489 Park :\\'e., East Orange, X. J. .;.;". (Westinghouse Electric Corp.) ::'41:N" JE, Cbristian W. (RI) :. ladding, McBean & Co. :. 45 Elliott Ave. W .. Seattle 99, Wash. '. NJE, Theodore J. ,,1. (B) . 4 Summit Ave., Rolla, Mo. (M issou ri School of ~1 ines) PLAXKEXHORX, William J. (EI) 204 Ceramics Bldg. l..'niversity of Illinois, erbana, Ill. PLEASAXTS. Lutber E., Jr. (G) 6002 Brookfield Rd., Richmond, Va. (Allied Chemical & Dye Corp.) PLOETZ, Edwin C. ,H. (E) 708 S. Lincoln Ave., Kankakee, 111. (A. O. Smith Corp.) PLl:MBO, Victor A. (G) General Glass Equipment Co. 5 S. Virginia .'",e., Atlantic Cit\, X. ]. PLUMMER, Harry C. (SF) . Structural Clay Products Institute 1520 18th St.. X. W. Washington 6, D. C. PLUMMER, J. H. (G) Box 973, Toledo I. Ohio (Glass Fibers Inc.) PLl'MMER. Xorman (M) State Geological Survey of Kansas Lawrence. Kans. PLt.:XKETT. Jerry D. Box 217, Dixon, :'10. PLt.:XKETT, Richard G. (G) 4494 Culver Rd., Sea Breeze. X. Y. (Bausch & Lomb Optical Co.) PLl..'SCH, John A. (W) 63 Spruce St.. Westfield, :'Iass. (Cortland Grinding Wheels Corp.) POFFEXBERG. Scott (:'1) 1616 Chenault St. s Angeles 49. Calif. SON, Louis Faiencerie de Badonviller Badon\'iIler, Meurthe et Moselle, France POLA~D. ~Iilton E. (I) 523 S. Pleasant Sf.. Royal Oak, :'fich. VOL. 3:3. Ko. 10 (1954) POL:\R ..-\Ifredo (\\') Xational Tile & ~lfg. Co. .-\nderson, Ind. POLE. Gordon R. (BFI) 2592 S. Shore B1Yd. White Bear Lake-\O, ~Iinn. I "linnesola ~lining & ~lfg. Co.) POLES ..-\Ifred 1'. (W) 325 .\rborlea .-\\'e.. ~lorris\'ille, Pa. (Clifton Ceramit' ~lfg. Co.) POLHDlt'S, D. \\'. (R) Carborundum Co.. Bristol, Pa. POLK. :\rlhur E. l\\') R. R I. llrl\\a~iaL'. ,,[it'h. (Produt'e Termin"l Curl' I POl.SO:\. John B. Box 148. Hart"'ille, S. C. PO~[ EROY. \\'illia1l1 1'. ,\\. I ~terl1ng- China Co. E"s\ Li\erpnul. Qhio PO.\; D. "lan'in H (R) 224 Thornton St., Hamoen 14. Conn. 10lin Industries, In<'.) POOLE. James P. (G) Brot'kway Glass Co., Inc., Plant 2 Brockway. Pa. PORCELAIN METALS CORP. (I'. B. ~lcBride) 1400 S. 13th St. LouiS\'ille 10. Ky. PORST. Edward G. (Ell 1418 Stonewood Ro., Baltimore 12. ~IIL IPemco Co",.) PORTER. Frank R. (EFI) 318 E. Clark St., Crown Point, Ind. (Tnlnnd Steel Co.) PORTER, J. L. (B) Kaiser Aluminum & Chemical Corp. Box 1031. Baton Rouge, La. PORTER. Rud~'ard (E) L"nited States Steel Corp. 208 S. LaS:llle St.. Rm. 1655 Chicago 90, Ill. PORTER. Sidney C. (R) Box 34. East Li\'erpool, Ohio (Globe Brick Co.) PORTER. Wallace S. (W) l'ni"ersal-Rundle Co., Box 188 Hondo, Texas POSEY IRON WORKS, INC. I Frank A. Fix) Lancaster, Pa. POSIXSZXY. Ra~'mond F. (R) 242 E. ~lethan :he. Philadelphia 19. Pa. IRefractory Specialties Co.) POST. Benjnmin F. (RII Cortland Grindiug \\'heels Corp. Chester, :'Iass. POST, Zarr A. (X) 5020 Elm St. Bethesda. Washington 14. D. C. (Di\'ision of ACF Industries, Inc. ACF Electronics) POSTE, Emerson P. (EFl) 309 McCallie :'he. Chattanooga 3, Tenn. (Consultant) POSTLEWAITE, Donald E. (WI) Cniversal-Rundle Corp., Box 300 Redlands, C"lif. POTTERS SUPPLY CO. (William W. Irwin) E,st Li\'erpool. Ohio POTTS, Amos P. (SF) 359 E. :'Iain St., Logan, Ohio ILogan Clay Produds Co.) POt'ILLY. Marcel L. (W) H902 Center A,e . Harvey, 111. (1l1inois Spray & Equipment Co.) POL"LOS. :\ick E. (B) 176~ Flagler :he. X. E., Atlanta, Ga. I Georgia Institute of T echnolog~') POl'LTO:\. Rohert F. (W) 2763 X. Congre'S Rd., Camden 4, X. J. (l'ni,ersalRundle Corp.) POl'XDSTO~E. William W. (G) Pittsburgh Plate Glass Co. 420Ft. Duquesne Blvd. Pittshurl(h 22. Pa. I'O\\' ELL. John A. (W) 65 Kingwood .-\ve.. Frenchtown. X. J. I Frent'hlmnl Porcelain Co.) I'O\\'LL. I.. F. I ~l) Old Hickory Clay Co., Box 271 Padut'ah. Ky. I'O\\ELL. O. E. lSI Indiana Drain Tile Co., Int'. Brooklyn. Ind. J'O\\'ELL, Rit'hard H. I ~l) t2i~' X. ~lain St .. Jamestown. X. Y. I'O\\'ER, Henry R. I R) t020 James ,\Ye .. :\iagara Falls. X. Y. I Consultant' I'()\\ERS. Don \\'. 1201 Highland .\,c ...\hil'lIe. T"xa, I'O\\'RS, ~;eorge H. I R) RO Clairmont .-\\t'.. \\""t\\"",1. X J. I :\ort<Hl Co., I'O\':\OR, T. \\'ythe 151 .\CIIlt' Brieh Co,. Bo" 127S Oklahoma City. Okla. POZ E FSK Y, Leo I Tn 1109 BOlllnard. :\ew "lilf"nl. :\ . .I <Joseph Oixon Crudblt' C".I I'R.\CHAXKH.-\DEE. ~lanoon Oept. of Science. "lillistry of Indllsty Banl(kok. Thailand I'R.\TT. Donald S. (E) 3504 Sixth :he., Beaver Falls. Pa . I Ill~ramRichaT<lson :'ffg. Co.) PRECISION GRINDING WHEEL CO., INC. (Roland J. Clark) 8.101 Torre"lale :\,e. Philo,Ie11.hia 36. Pa. PRESCOTT. Frank R. (G) 1811 Kimhall :he .. Arnold. Pa. (Pittshurgh Plate Glass Co.) PRESCOTT, :'1ary Jane (D) 21'6 Sherwood Ave., Louisville. Ky. PRESTO:\. Frank 'V. (G) Preston La!>s.. Butler, Pa. PREWITT. J. K. (S) Elgin Standard Brick Mfg. Co. Elgin, Texas PREY, .'\rthur H. (M) Carborundum Co., Xiagara Falls, X. Y. PRICE, Glen M. (R) General Ref ractories Co.. Box 1673 Baltimore 3, :'Id. PRICE, James E. (R) 44 W. Guernsey ."e., Abington, Pa. (Simonds Abrasive Co.) PRIDDY, K. O. (S) Barium Reduction Corp. South Charleston 3. \Y. Va. PRIESTLEY, J. Edward Huntly Brick & Fireclay Co., Ltd. Box 14. Huntl};, ~e\\' Zealand PRI:'IM. Herbert E. (R) 1658 Ele"ado A'e., :\rcadia, Calif. (Harbison-Walker Refractories Co.) PRIXCE, Alan T. (Bll Mines Branch, Ottawa, Ont., Canada PRIXDLE, William R. 354 Westgate W., Camhridge 39, ~lass. PRIOR, Gordon M. (W) 229 Haven Ave., Scotch Plains, X. J. I Specialized Ceramics Corp.) PRIOR, Harold D. (:.m Box 4i, Stanton, :\. J. ITitanium Alloy Mfg. Di,., Xational Lead Co.) PROCTER & GAMBLE CO. I D. R. Bverlv) ~1. A. & R. Bldg.. Ivorydale 17, Ohio PROCTOR, W. J .. Jr. (B) Southern Clays, Inc., Gordon, Ga. PROKOPEC, Robert (G) 309 !\. Tillotson ,he., Muncie, Ind. (Ball Bros. Co., Inc.) PROMAT DIVISION, POOR & CO. (A. E. Chester) 851 S. Market St. Waukegan, Ill. PRYOR, Edward K. (R) 902 X. :\cacia, Whittier, Calif. (Pryor-Gigl(ey Co.) ROSTER il 11 J I" f, ~ f .,.:l ~t. f, l t ~ f I ,J~ i I ....J <pU'CKETT, John P., Jr. {G) Leeds & :--orthrup Co. 4901 Stenton ..he., Philadelphia 44, Pa. PUERTO RICO CLAY PRODUCTS CORP. (F. Torres Campos I Bux 4729 San Juan. Puerto Rico LASKI, :\larie E. (\\'1 1322 1:.. 7;>,n St.. L,e\ e!aml 3. Ohio (Clevite Brush I~e\ e!opment Co. I . Pt;LLl:\:\1. (je"rge R. 474 Panllne! (u.;"~..\llIe,. lao PULS, Josef 'Austria" l'ni~ed EIlJ.l1le1 \\'ork:-- \Vilhehnine'btr. ~o Vienna X\' 1. ..\ ustria Pl'MPHR EY. \\'illiam I Murex \\'dding !'r"ce;ses Ltd. Hertford Rd. \\'altham Cro-,. Herts, England Pl'XTEY, L. E. IRII 8021 Titus Rd .. St. Louis 14, :\10. (Laclede-Christy Co.) PUPvLI D Y. .\ lexander (R I 34-18 Ylst St.. Apt. .\-41 Jackson Heights 72. L. I., X. Y. :'.. (Arabian American Oil Co.) ~ ..Pl'RCELL. Burnette (5) . Northwestern Terra Cotta Co. :.. ,: 1750 Wrightwood Ave" Chicago 14. Ill. :h;,:PURNELL, Hugh J. (R) :/~" .; 761 Loretta St., Pittsburgh 17, Pa, .:: .".~ (United States Steel Corp.) :.~,~RO REFR:ACTORIES CO. :.~f.'}f.;.... (0. E .. ~!lller) Box 46~_. ;:'''.;;';C,'' Oak HIli, OhIO 'k;~k~~ a -t~:'9UIGLEY CO., INC. (R. J. Demaison) .'f,~;~y.. 527 Fifth A\'C., New York 17, N. Y. ;':::1.;:';}~:jOUIRK, John F. (W) 2235 Barrymore. Ave" ~olumbus, Ohio }.i~':' (Battel~e ~lemortal InstItute) .,.~<tQUIRK, VIrgIl P. (5) .:...,.... Old Hartford Rd., R. R. 2 Owensboro, Ky. ". (General Electric Co.) 'E~~;}: R ';:;RABE, N. A. (W) . 10 W. Palmer Ave., Collingswood, N. J. .....;.. (vniversal-Rundle Corp.) :':,RADCZEWSKI, Otto-Ernst :.>,:.,. Institut fur Gesteinshuttenkunde l\Iauerstrabe 5, Aachen. Germany .RADIO MATERIj'\LS CORP. ":;\/' (R. D. Bourgerie) Tf.:' 3325 N. California A"\e., Chicago 18, Ill. "<;:'.' RAGATZ, Eugene C. (E) .:;,},. Allen-Bradley Co. :,"f,'f,. . ':~}J~' 136 W, Greenfield Ave. Milwaukee 4, Wise. :.--::,:;. RAGGON. Frank C. (G) ~r." 4202 Bowen Rd., Toledo 13, Ohio :_:;~;::~' RAI~~i~n.~.I~in~~,)GlassCo.) ,,;,~.;~ John Douglas Co., Cincinnati 16, Ohio RAIXE. Frank F. (Rn 111 E. Vin~ St., Mexico. Mo. i'. I Mexico Refractories Co.) RAI:\EAR. John F. (W) 7'> Sharon A\e., Hamhurg, X, Y. (Buffalo Pott~n'. Inc.) RAIT. J. R. - Research Dept .. Hadfields Ltd. East Hecla Works. Sheffield 9, England c.~..-,.- RALSTO~. O. (~{F) 4333 Clagett Rd .. Hyattsville, lIIhl. (U, S. Bureau of lII!ines) RALSTOX, Thomas E. (l\f) HarbisonWalker Refractories Co. :.:.' 1800 Farmers Bank Bldg, Pittsburgh 22, Pa. ;.\ Al\L Atma ..., Central Glass & Ceramic Research Institute 1', O . .Iadav!,ur College Calcutta 32. Inllia YOI.. a:~. ~o. 10 (1!)',)4) R.-\~Dl, Eric H. L. Brisilane & \\'unl\erlich Ltd. Lord St., East Pertn, \Yest .-\ustralia -R,-\~I S DE:\. C. E. C. E. I<almden & Co. Ltd. Foley Colour &.Chemical \\'orb Fenton. Stokeon-Trent, England RAMTITE CO. (Louis J, Jacobi 2563 \''-. 18th St.. Chicago 8, Ill. R,\:-':D.\LL. Theodore IlJ) Randall Pottery, \\e!b,ille. X. Y. R.\XDOLpH. Hal F. IR) :\lexico Refractorie, Co., ~Iexic'o, :'10. R.\:'\IlOU'H. R'obert L .. Jr. 185(, ..\nlmore Rd .. :\. \\' ...\tbnta. Ga. R,-\:\KI:'\, James J. {~ll 5t. Joseph Lead Co .. B,,~ "7 l\lonaca. Fa. R.\:'\KIXE, .\dam S. (R I :\!artlOS\ ille, X. J. (John,:\lal1\ ill~ Corp' R.\I'P. Carl H. (\\'1) GlobeJnion. Inc .. 900 E. Keefe ..he. l\lilwauk<-e I. \\'isc. RAPP, S. \Y .. Jr. 1\\') :\!orton Pottery Co., :\!orton, Ill. R.\SE. Daniel E, 137 E. Park A\'e.. State College. Pa. R.\SlIIICSSE:\, R. K. (Gi lIIlississippi Glass Co .. Fullerton, Calif. R.\Sl\ll:SSEX, Wayland G. (51 l\lason City Brick & Tile Co. Mason City, la, RASSXER, Donald D, (WI) 224 E. Northview A\e., :\ew Castle. Pa, (vniversal-Rundle Co.) RATCLIFFE, Harry J. (l\ll 724 Bunker Hill Ave., Trenton, l\, J. (vni'lue Kilns of Trenton, Inc.) RATCLIFFE, Temple W. (Rl 244 Buffalo St.. Beaver. Pa. (Babcock & Wilcox Co.) RATHMAXl\, Clyde L. (Gl R. R . .I, Corning. X. Y. (Corning Glass \\'orks) RA eCH, Harry W, (G) 415 W. Hickory St. East Rochester, :\. Y. (Pfaudler Co.) RAl'SCHER. Louis G. (GJ) 2374 Gene\'a Ave .. Glenside. Pa. (philco Corp.) RA Y, E. Harold (M) B. F, Drakenfeld & Co .. Inc. Box 519, \\'ashington, Pa. RAY. John G. IG) Sylvania E\~l'tric Products, Inc, C-ottage Place, :\Iineola, L. I.. N. Y. RAY, John l\1. 938 lIIlaple A\'e .. Zanesville, Ohio RAY. Sushil 20C, Southern Aye., Calcutta 26. India REA. Rohert F. (Rn Stupakoff Ceramic & Mfg. Co. Latrobe. Pa. REAGAX. Cornelius J. (5) 410 Cent~r St .. Rear PittsburJ.(h 21. Pa. (Van Ortner Brick Co.) REBCHOOK. CreRory V. (WI) Gloh~-l'nion Inc 1)00 E. Keefe :\\e. ~Ii\waukee I. \Yisc. REDLICH. Paul L. (lIIll Rotospray l\Ifg. Co, 562 W, Washington Blvd. Chieago 5, Ill. REED, Carl E. (G) 1410 E. lIIlain St .. Lancaster, Ohio (SharpSchurtz Co,) REED, George Clifton, 111 251 Tenth St .. l\. "'. Apt. 48 ...\tlanta, Ga. REED, Leonard (GJ) Rutger, l'ni\'ersity. Ceramics Dept. Xe\\ BnlO,wick, X. J. REED. "orman D. (SJ!) \\'hat Cheer Clay Produl'ts Co. \\-hat Che,r. la. REED, Paul H. (R) 310 ' /" Fairmont :\\'c .. Xew Castle, l'a. I.'\C\\ Castle Refractori6 Cu.) REE\ES. Harold 1\\'1 343 E. Taggart 51. East I'akstine, Ohio I Fitzpatrick Indu,trie>' REF~ACTORIES INSTITUTE, THE (.hery C. Xewton) Fir,t :'\ational Bank Bldg. Pitt..;lltlrgh 22, Pa. REFRACTORY & INSULATION CORP. 1.\. ~. .-\rwinel Port Kennedy, I'a. REI;E:\BRECHT. Albert. Jr Il;1 Syh'Jllia Electric PrCldl1l't~. Inc. Burlitl).!t(lT'l.. la. RE(~OlT. Ju'el'h F. E. :'\. \'. de :;phin~. :\laastridn. ll.oilallll REID. Frank 1'. .\tl1l..'rican Ct'ramic Socic.,ty ~051 :\. High :;1 .. (oI11lnll\l' H, '11110 REID. Harr\ F .. Jr. ,:\1, :\lcKay Co., (;r"ntle~ R.l., " .. rk, I'a. REILL \' ..\lfrl'd F., Sr. ,\\., \'a,1' C"-e Co., 21 Ea,t SI. Xorth ,\akhoro, :\!ass. REI~IER, John J. (WI) Keystone Ceramic Corp. BenderS\'ille, Pa. REI:\, Peter (W) 626 Cornelia. Chicago, Ill. (Chicago Pottery Co.) R::::KER, Arther G, (Rl Johns-l\!an\'i!1~ Sales Corp. 1530 Guildhall Bldg. Cleveland 15, Ohio REIl\KER, Gerald E. (GI General Electric Co., Lamp Dept. 1133 E. 152nd St.. Cle,'eland 12, Ohio REISCHEL, Frank (W) 2733 :\Iayflower. Arcadia. Calif. (Dilectron Inc.) REISIXG, Joseph A. on St. Joseph Lead Co .. Zi"c Smelting \)iv . Monaca, Pa. REISS, lII!a S. (EI 406 :\. Front St .. \\'heding. W. \'a. I Bellaire Enamel Co. 1 RElIIIDE. Harry F .. Jr. l;eneral Ceramics & Steatite Corp. Keashey. X. J. RDIIXGTOX, Victor H. (G) B. F. Drakenfeld & Co., Inc. Box 519. \\'ashington. Pa. RDDIEY, G. Bickley (RF) Richard C. Remme)' Son Co, Hedley St. & Delaware Ri\'er Philarlelphia 37, Pa. RDI!\!EY. John G. (R) Richard C. Remmey Son Co. Hedle\' St. & Delaware Ri\'er Philadelphia 37. Pa. REMMEY, RICHARD C" SON CO. (G. Bickley Remmey) Hedle\' St. & Delaware Rinr Philadelphia 37, Pa. RE:\IpES, Paul E" Jr. (Il 2B Cunningham St.. Duncan Knoll Chicopee Falls. Mass. REXFRE\\', J, Han'ey (S) 31 Linden Park St .. Roxlmry 2f1. ~la". (Herman G, Protze) REXOI'F. Leonard J. (R) 34] Chnrl'h St .. Youngstown. :\. Y (Titanium Alloy :\!fR. Di\' .. Xational Lead Co.) RE:\SKERS, Richard H. IWI I 85 :'\r\elaide A\'e., Hig-hland Park. ". American Rarliator & StamlanJ Sanitary Corll) REPUBLIC STEEL CORP. (Burton Long-well) 1423 Repuhl;r BioI\:. Cle\'eland I. Ohio RE5ER. ~!argie K. 977 Carlisle A\'e .. Coltnnh", II. Ohi" (Am~rican Ceramic Soci,ty 1 REl'XIXG, Charles R ,R J) .15 Oshorne St .. \\'ellsyille. :\ Y (Rig S,1\'al(e Refraltories ('Ofl' l ,.,R()~TER -" f \ J t I I ~ , ------tIfIj REUNING, George W., Jr. (RI) 35 Osborne St., Wellsville, N. Y. (Big Savage Refractories Corp.) REUSCHE, Frank L. (\\:) 1459 Clinton Ave., Irvington II, N. J. (L. Reusche & Co.) ER, Raymond (R) ational Aluminate Corp. 216 W. 66 PI., Chicago 38, Ill. REYNOLDS, Harry :\L (G) Renite Co., Box 365, Sta. A. Columbus, Ohio RHOADS, James L. (GJ) 1410 Springside Dr., Lancaster, Pa. (Radio Corp. of America) RHODES, Foster T. (W) Onondaga Pottery Co. Syracuse 4, ~. Y. RHODES, Frank R., Jr. Georgia Tech, Box 3141, Atlanta, Ga. RHODES, Fraser B. (WI) .7134 Maple Ave .. Madeira, Ohio (John Douglas Co.) RHODES, Ralph E., Jr. (M) United Clay Mines Corp. Oakland & Prospect Sts. Trenton 6, N. J. RHODES, Ralph R. (RF!) 1729 Powell St., Norristown, Pa. .:: (E. J. Lavino & Co.) ;.tf>RHOTON, Donald G. (M) 1~95~ Devonshi:e Rd. ,-":,,:;;: BIrmingham, Mich. .;t~,":: (Peninsular Grinding Wheel Co.) :':::RICCI, Edward Michael (RJI)" A~'h;: 817 Main St., Dickson "City, Pa. . :,;';';::: (Harbison-Walker Refractories Co.) :;)~ICE, Hal H. (WI) :~t::: 17 W. 25 Oak Lane Dr., Oakdale Woods ':k,:: Bensenville, III. .;,,(; ': (Armour Research Foundation) ';.'),RICE, Murray J. (B) }-.;,: 133 N. Main St., Alfred, N. Y. .;...... (New York State College of Ceramics) " : a ",WneirlalliamEleHct.ric(BC)o. lass Technology Laboratory 1133 E. 152nd St., Cleveland 10, Ohio . :RICH, Herbert W. (M) Amherst, Va. (Dominion Minerals Div., Riverton Lime &: Stone Co., Inc.) RICHARD, Giulio A. Via Cernuschi 1, Milano, Italy (Societa Ceramica Richard-Ginori) RICHARDS, Thomas Z. (RJ) 10 Underwood St., Worcester, Mass. (Norton Co.) RICHARDSON, H. K. (GF) ~: '. 41 Yantecaw Ave., Bloomfield, N. J. (Consultant) .:' RICHARDSON, R. C. (S) , . Lovell Clay Products Co. Box 247, Lovell, Wyo. . RICHARDSON, Robert M. (R) 5530 Fifth Ave., Pittsburgh 32, Pa. (Ramtite Co.) '. RICHMOND, Joseph C. (EFI) 4415 Fairfield Dr., Bethesda 14, Md. (National Bureau of Standards) RICHTER. Charles J. (G) Box 275. Canfield. Ohio RICK, Clarence A. (R) 441 La Sierra Way. Gilroy, Calif. (Kaiser Aluminum & Chemical Corp.) RICKER, Richard W. (XI) Aluminum Co. of America Aluminum Research Labs Box 772, New Kensington, Pa. RICKEY. J. H., Jr. (R) Ironton Fire Brick Co. Box 124, Ironton, Ohio _ ELL. W. A. CO. (W. H. Merkel) merican Clay Machinery Div. ucyrus, Ohio RIDDLE. Frank H. (\\'FI) 14 Upland Rd., Colorado Springs. Colo. (Champion Spark Plug Co., Ceramic Div.) VOL. 3.3. No. 10 (I9.').!) RIDDLE, Robert F. (G) Pennsylvania Glass Sand Corp. 140 Stanwix St., Pittsburgh 22, Pa. RIDGEWAY, Thomas J., Jr. (RJ) General Refractories Co. Morrisville, Pa. RIEGERT, Richard P. (I) Box 995, Alfred, N. Y. RIEPER, Gerald 394 Pammel Court, Ames, Ia. RIGBY, James E. (G) Blue Ridge Glass Corp. Kingsport, Tehri. RIGTERI);K, Merle D. (WFl Bell Telephone Labs. :\lurray Hill, ?\. J. R II S. .-\.sgei r (2\1) Robe,on Process Co. 500 Fifth Ave., Kew York 36. X. Y. RIKER, Leon W., Jr. (GJ) 203 W. California St., EI Paso, Texas RILEY, James H. (S) 125 E. :\inth St., Jacksonville 6. Fla. (Rowland Tompkins & Son, Inc.) RILEY, Roger R. (R) Gladding, McBean & Co. Pittsburg, Calif. RD1DONE, Guy E. (G) Department of Ceramics Pennsylvania State University State College, Pa. RISl'LER, Z. W. Palestine Glass Works "Phoenicia" Ltd., Box 168 Haifa, Israel RITLAND. Harold N. (G) Research Lab., Corning Glass Works Corning, N. Y. RITTER, Joseph S. (G) Adamston Flat Glass Co. Clarksburg, W. Va. RITTLER, Hermann Box C-C, Alfred University Alfred, N. Y. RITZ, Joseph W. (G) Sylvania Electric Products, Inc. 83-30 Kew Gardens Rd . Kew Gardens, L. 1., N. Y. RIVERS, Wayland C., Jr. (S) Box 1131, Austin 66, Texas (Elgin Standard Brick Mfg. Co.) ROACH, H. C. (R) American Radiator & Standard Sanitary Corp. Bessemer Bldg., Pittsburgh, Pa. ROBB, Richard B. (G) 5600 Fifth Ave., Pittsburgh 32, Pa. (United States Steel Corp.) ROBBINS, David (W) 8151/. Crestmoore PI., Venice, Calif. (L. H. Butcher Co.) ROBBINS, Ross W., Jr. Kappa Psi lJpsilon, Alfred, N. Y. ROBERSON, Cletis L. (G) 350 Moull St., Newark, Ohio (OwensCorning Fiberglas Co.) ROBERTS, John Taggart (EI) 419 Park Blvd., Glen Ellyn, Ill. (Crane Co.) ROBERTS, John W. (S) 3204 Hawthorne Ave.. Richmond 22, Va. (Southern Lightweight Aggregate Corp.) ROBERTS, Mervin Francis (S) 116 Carpenter Ave. Crestwood, Tuckahoe 7, N. Y. (Port of :\ew York Authority) ROBERTSO:--;', James A. (R) Box 1061, Xewark, Calif. (\\. estvaco ~Iineral Products Div.) ROBERTSOX, John M. (EJ) 3008 Rosedale Blvd.. Louis\'ille 5, Ky. (American Radiator & Standard Sanitary Corp.) ROBERTSO);, Leon F. (G) Brockway Gla,s Co., Inc., Brockway, Fa. ROBERTSON, R. Kenneth (S) 101 St. Henri St. Laprairie, Que., Canada (Laprairie Co. Inc.) ROBERTSOX, Randal K. (S) 906 l:niversity Tower Bldg. ~rontreal, Que., Canada (Laprairie Co. Inc.) ROBESON PROCESS CO. ('.-\sgeir Riis) 500 Fifth Ave., New York 36, X. Y. ROBILLARD, Harvey J. (R) Exolon Co., Tonawanda, N. Y. ROBINSON CLAY PRODUCT CO. (W. E. Robinson) Box 1070 65 W. State St., Akron 9, Ohio ROBIXSO:\, F. George (S) 500 S. Santa Fe Dr., Denver, Colo. (Robins"n Brick & Tile Co.) ROBI:\SO:\. Gilbert C. (S) Box 91. Clemson, S. C. (Clemson College) ROBINSOX, Louis G. (E) Louis G. Robinson Labs. Box i61, Cincinnati I, Ohio ROBIKSO:\, Percy Burrill Diamond Clay Co. Ltd. Hartshill, Stoke-on-Trent, England ROBINSON, Philip W. (G) R. R. 2, Box 539, Washington, Pa. (Arthur W. Schmid Co.) ROBINSON, Phillip 23 P~mble Ave. Pymble, N.S.W., Australia (Gallard & Robinson Pty. Ltd.) ROBI?\SO);. Richard E. (R) 315 S. High St., Zelienople, Pa. (Johns-Manville Corp.) ROBIKSON, Richard R. (SI) 2232 Parkway Blvd., Alliance, Ohio (Alliance Clay Product Co.) ROBI:\SON, \\'. E. (R) Robinson Clay Product Co. Box 1070. 65 W. State St. Akron 9, Ohio ROBSON, H. L. (G) 2 \Vater St., Lewiston, N. Y. (Mathieson Alkali Works, Inc.) ROBSON, James T. (MF!) Allied Engineering Division Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio ROCHE, L. C. (GF) Maryland Glass Corp. 2147 Wicomico St., Baltimore 30, Md. ROCHESTER, Thomas W., Jr. (G) 210 Delevan Ave., Corning, N. Y. (Corning Glass Works) ROCHO\\', W. F. (RF) Harbison- \\'alker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. ROCKWELL, Robert E. (D) 4910 234th St., S. W. Edmonds, Wash. (Sound Earthenwares) RODEFER, Howard H. (G) Rodefer-Gleason Glass Co. Box 550, Bellaire, Ohio RODGERS. Ehen, Jr. (S) Alton Brick Co., Alton, Ill. RODMAN, Clarence J. (E) Box 809, Alliance, Ohio (Alliance Ware, Inc.) RODRIGl-EZ, Alfonso F. (G) Vidriera Monterrey, S. A. Apartado 162, Monterrey, N. L., Mexico RODRIGl:EZ, A. R. (WI) 29 Pine St., Franklinville, N. Y. (Hi-Q Div.. Aerovox Corp.) RODRIGl'EZ. Eduardo (E) Cia lndu,trial del Korte Apartado 226, Saltillo, Coah., Mexieo ROE, Lawrence A. (G) 1501 Vilas :he., Madison 5. Wise. (Bjorksten Rest>arch Labs., Inc.) ROE, Richard F. (W) Porcelain Products Inc. Parhrsburg, \\'. Va. ROSTER ,.'5 11 1I1i ... I i ROFF, W. Wallace (~1) 14 Glenside Dr.. West Orange, :\. J. (Whittaker, Clark & Daniels, Inc.1 ROGATZ, Alvin (B I Zenith Radio Corp. 6001 Dickens Ave., Chicago 39. 111. 4IRS' Edwin J. (\\'11 cintilla ~Iagneto Div. endix :\\-iation Corp .. Sidney, ::. Y. GERS, Gregory L. I R) 9500 S. :\orwalk Blvd. Los ~ie:os, Calif. (Pacific Clay Products) ROGERS. :'ole"in F. IRI) 55 Goff St .. Corning, ~. Y. (Corning Glass \\'orks) ROGERS, Thomas S. (~I.J 3720 Windom PI., :\. W. Washington. D. C. (Rogers & Son,.) ROGERS, Virgil L. I S I Hebron Brick Co . Hebron. X. D. ROGERS. William R. (R) Carborundum Co, Refractories Di\'" ~iagara Falls, :\. Y. .ROLKE, Herbert J. (I) Sociedade de Engenharia Industrial Rua Marconi, 23.8 andar Sao Paulo, Brazil 'ROLLMAXX, Peter (J) ;;"':;:'. Emmalaan 11, Baarn, Xetherlantls ~.:,;~;" (Anker Emaille Fabrieken X.V.l ){,;ROONEY, Thomas E., III (R) c:'i~;;;.:. Empire Fire Brick Co. :..;~:; ..,. 219 Murray, Fort Wayn~Ind:' '.:-/:ROOT, H. Dean (WI) . ;.~:l. '. Westinghouse Electric & ~.Hg. Co. ;;t~:: K-SO, Materials Engineering Dept. .:''t1.~,a:'" . East P' l. b ttS u r gh, Pa. :':!"i;"'ROOT. La"rence L. (W) ""::-:",." Stanford Pottery Inc. .~2k . 40 S. 15th St." Sebring, Ohio j~~!ROQU~S, ~odney A. (W) .;~:o:,;.: Umverslty of Texas .,'''.,-'.Austin 12. Texas :, E, Ralph (RI) , E. J, Lavino & Co. '. Box 29. :\orristown. Pa. ROSENTHAL, E. K. (W) "".' 234 Napoleon St. Playa Del Rey. Calif. (Metlox Mfg. Co.) :ROSENTHAL. Ernst , .. 246 Park West. Marble Arch London W. 2, England (Consultant) :ROSENWINKEL. George o. (R) c':.. 1\"orth American Refractories 59 E. Van Buren. Chicago, III. ROSEVILLE POTTERY, INC. .. (Robert P. Windisch) Zanesville. Ohio ROSHONG, Robert L. (R) Steel & Tube Div., Library Timken Roller Bearing Co. ':,,,: Canton 6. Ohio :';":ROSICLARE LEAD & ;;C" FLUORSPAR MINING CO. .... ,. (Arthur H. Cronk) Box 49. Rosiclare. Ill. ROSU.'XD. J. :\. (R) Globe Brick Co .. East Liverpool. Ohio ROSS. Donald W. (RFI) 5929.-\ Oakhurst PI.. St. Louis 12. ~Io. (Consultant I ROSS. Howard, II (Ell 3410 Archwood :h~.. CleHland 0. Ohio (Ferro Corp.) ROSS. Paul F. (RIl 320 Constitution Ave .. Hellertown. Pa. (Bethlehem Steel Co.) ROSSTACONY CRUCIBLE CO. . . (A. ~1. Johnson) : e ' Tacon)'. Philadelphia 35. Pa. : SS, Victoria Avakian (D) .': 537 Country Cluh Rd . Eugene. Ore. (l.'ni,ersity of Oregon) ROTH. Harrer D. (~f) East Ri\'er Rd .. Grand Island. N. Y. (Harrer Electric Furnace Corp.) VOL. :3:3. !'<o. 10 (HI;"}4) ROTHERMEL. Joseph J. (Gl Corning Glass \\orks. Re.earch Lab. Corning. ~. Y. ROTH\\"ELL. \\'illiam S. (Gl Corning Glass \\'orks Research & De\'e!opment Di,. Corning. );. Y. ROCDABCSH, );ed \\". I R I 311 Candlewood Rd .. Broomall, Pa. (General Refractorie, Co. I ROl'GH. Robert R. I G I Owens Illinois Glass Co. Technical Cen.te.r 1700:\. \\'estwood :he .. Toledo 7, Ohio ROl'P, Rolland (\\'FII GlobeCnion Inc. 900 E. Keefe A\'C. ~I ilwaukee 1. \\"isc. ROCS, William C.. Jr. (BI) " L. L. Land. Box 667 ~I erkel. T exa, . ROV.-\);l, Tedd IXI E\'ans Case Co. 21 East St .. ~orth .-\ttlelx'ro. ~Ia". RO\\'L.-\);D. Da\'idge H. (\\'11 Porcelain Insulator Corp .. Lima. ~. Y. RO\\'LA~D, Donald .-\. (0) . 622 S. ~orton St .. Okmulgee. Okla. 'Oklahoma A & ~1 Colle!(e) ROWLAND. R. W. (\\') );ew Castle Refractories Co. Xew Castle, Pa. ROWL.-\~D. Richards A. (B) Explo.ration & Production Res. Div. Shell Development Co. 3737 Bellaire Blvd., Houston 25, Texa. ROWLAXD. Roger \\'. (~IF) ~ew Castle Refractories Co. ~ew Castle, Pa. ROWLA1\"DS, Robert R. (WI) Fniversal-Rundle Corp. Box 960, ~e\\' Castle. Pa. ROY. H. X. Indian Ceramic Society Dept. of Ceramics. Benares Hindu l'ni\'. Benares, India ROY. Rustum (B) PennsyJv'ania State t'nh'ersity 211 Mineral Sciences Bldg. State College, Pa. ROYAL CHINA. INC. (B. L. :\Iillerl Sebring. Ohio ROYAL. Herbert F. IWF) 8~5 Pilgrim Rd .. Birmingham. ~Iich. (Champion Spark Plug Co.) RCARK. A. E. (G) Dept. of Physics l'ni",."rsity of .'\labama. l'niversity, .-\la. Rl'DD, Richard D. ,~1\ Carborundum Co. 3335 W. 47th St .. Chicago 32, Ill. Rl.'DOLF, Paul E. Stoneware Factory Embrach. Ltd. Emb.rach (Zurich), Switze.rland RFETTINGER, T. o. (S) Flat Rock Clay Product Co. 26280 Arsenal Rd .. Flat Rock. Mich . Rl:GG. Ormund I. (G) 13615 ~eyers Rd .. Detroit 27, ~I ich. (Ford ~otor Co.) Rl'GH, Kenneth A. (R) Garfield Refractories Co. Bolivar. Pa. RCH. Edwin ]012 Vermont Ave., Apt. 2 Pittsburgh 3~, Pa. RCH. Robert 194 Willow Ave. Ext. Xorth Plainfield, N. J. Rt:IZ, Jorge Martin (R) Amerex Ingenieros, S. A. (;ante 7, ~Iex;co 1. D. F. Rl'lZ. Robert A. (R) 1H W. Home St .. Vandalia, ~fo. IWalsh Refractories Corp.) Rl'LON. Richard ~f. (G) Syl\'ania Electric Products, Inc. /,0 Bo,.ton SI.. Salem. ~Iass. Rl'SH:\IORE, ~Iurray. Jr. (W) ~Ioore & :'olunger 33 Rector 51.. );ell York 6. :\. Y. RCSO, Felipe B. Galiano luU, Habana. Cuba (General Glass Equipment Co.) Rl:SOFF. Samuel IR I 181 S. ~lonroe 51.. Tiffin, Ohio (B~sic Reiractorie. Inc.) Rl'SSELL. Charles K. tX,1l 5796 Acce," R,l .. !Jayton 3, Ohio (\VrightPatter,on .-\.F.B.I Rl'SSELL. George .-\ .. Jr. 58 X. Freeman Rd. Orchard Park, );. Y Rl'SSELL, Graden ,T. I EJ I Fletcher, :;. C. Rt:SSELL. Ho\\ard F. (E) 3118 Wood\\orth PI .. Hazekre<t, 111. Ilnger,oll Pr,,,!uct,. Di\ .. Borg\\'arner (oq). I Rl'SSELL. Le\\is E. Graduate H"use. :o.lass. Inst. of Tech. Cambridge 3, ~[ass. RlSSELL. :;orman Keith I Rl) St. Da\id,. Park .-\pts. St. Da"id,.. Pa. (Norton Co.1 Rl'SSELL. Ralston, Jr. IXFl) Dept. of Ceramic Engineering 116 Lord Hall, Ohio Statel:ni"ersity Columbus 10. Ohio Rl..' SSELL. Rohert G. (G) R. R. 2. Gramille. Ohio IOwens-Corning Fiberglas Corp.) RUSTLESS IRON CO., LTD. (H. Whitaker I Trico Works Keighley, England RYAK, D. Edward Curran Engineering, Ltd. Cardiff. \\'ales RYAN. Joseph D. (G) 3018 ~Iiddlesex Dr.. Toledo 6, Ohio ( Libbey,Owens-Ford Glass Co.) RYCKMA~, Da"id A . Sr, (\\') Bloomville. Ohio (Technician) RYDER. John \\'. (Ol .H75 N. \\'. O\'erton St. Portland 10, Ore. <Jefferson High School) RYDER. Robert J. 137 E. Park .-\ve.. State College. Pa. RYER. Chester M. Box H'l. ~Iattapoisett. ~lass. RYL.-\XD, H. W. IW, Coors Porcelain Co. 600 Ninth St.. Golden. Colo. RYXDERS, Gerald F. IB) ~ational Bureau of Standards Div. 9.7. Washington 25. D. C, RYSHKEWITCH, Eugene (R) Kearfott Co .. In~ .. Little Falls, X. ]. s S.-\DA. Patricio (E) Troqueles & Esmaltes S. A. Apartado Postal 371 Monterrey ~. L., ~Iexico S.-\DOWSKI. J. Richard (WJIl 714 Fifth .-\ve. (Rear!, Ford City. Pa (Eljer Co.) SATBEL, Edward IGI Carnegie Inst. of Tech. Schenley Park. Pittsburgh \,\, Pa SALIXAS, ~Ia.rio IG) ~fontes Carpatos 625 ~Iexico 10, D. F .. ~Iexico (Vidriera ~fexico. 5.:\..) SALISBCRY, William R. (W) Lyndon Rd .. Fayette,ille. ~. Y. (Onondaga Pottery) SALOMO~, Allen ~. (\\') 103 Village Dr .. Apt. 112 Syracuse. X. Y. (C;eneral Electric Co.) ROSTER ii f I I ,.f. j ; l - - - - - _...."j .\.5,\LTMAl\. Donald (W) 1831 E. Second St. Long Beach 2. Calif. (North American Aviation, Inc.) Frederick C. (Rl I Refractories Co. Fruitland A,e. Los Angeles 58, Calif. ;.\MPSO:\, J. Leonard t C I Mahoning Class \York< General Elec'lnc Co .. 403 :\. ~ra;,\ S: Niles, Ohio SAMSO:\,:\ \\'i!liam 1(;\ B. F. DrakeniellI & Co. Inc. Box 519, \"a'hinglon. I'a. SAMl;EL. I:on,,,d G. (R I 811 Buttonw""d St .. :\orristown. Pa. (E. J. La"ino & Co.) SANBOR:\. Paul H. {\\') . 2514-<?3rrl St .. Parkersburg, \\'. \'a SAND, Rc::kn t \\", .:.. 8 ]\. Bloln,: :'1.. ~l adison 3, W isc. .' (Chamic Arts Studio I SANDERS, Clyde A. I\\') ';;~'-American Colloid Co. ",: Merchandise ~Iart, Suite 813 "'-Chicago 54. 111 sANDERS. Herl:crt H. (D) :'S':J7926 Da"es A,e., Los Gatos, Calif. ~J;i(San Jose State College) ~l\lDERSO:\. K. W. ::0"{':John G. Stein & Company, Ltd. ~>Bonnybridge, Scotland . ;:~DFORD, Per Johan Folke-' ~':~'"G'Cohtaelbmeerrgs. Tekn, Ho Sweden gsk ola ;,~DMEYER. Karl H. (R) ,:~t,(908-87tb St., Niagara Falls, N. Y. .J$;.:'~ (Carborundum Co.) '),$.J,.NDS, George ~~:~.Imperial Smelting Corp. ',)!.~:~' Avonmouth, Bristol, England . . ORO. Elbert A. (E) ,;. 5 Oakridll:e Dr. Rochester 17, X. Y. '1' -SAN PMfaIuGdUleEr lC. oB.)REWERY -,' GLASS F:\CTORY (A. Villa-Abrille) , 132 Av;1e'. Manila, Philippines ,1. SA~T, Je-hn \\'. nn l Universal-Rundle Corp. . Ne,,' Castle, Pa. .SANTOMIERI, S. Lewis (RI) . Box 8, Botkins, Ohio (Botkin;: Engineering) .'SARAKAt"SKAS. Raymond (R) '.. National Carbon Research Labs. ::~(; Bo~ 608~, Cleveland, Ohio : "!_ SUREN, Sanan )it Box 1-9. Alfred. N. Y. :~1~ARRAF, Edward M. (R) ;',':c 20001 Laurel Ave. ~.:~. Rocky River 16 Ohio .:::,::.:'. (H.-bi.nn-Wnlker Refractories Co.) :;:.SAUERETSE~, C. Fred (R) :>: Sauereisen Cements Co_ Sharpsburg Sta., Pittsburgh IS, Pa. . SAeLS. J. B. (MI) Funkhouser Co., Hagerstown, Md. . SAVl'\DERS. Alfred C. (Rn 90 Center St.. Hamburg, N_ Y. (Electro Refractories & Abrasi"es Corp) SAt.'l'\DERS, Hollis S. (E) O. Hommel Co .. Box 475 Pittsburj(h 30, Pa. 5ACKDERS, R. H. (5) Box 349, Charleston 22, W. Va. (Charleston Clay Products Co.) SAVELL. Fred H. (M) 1901 E. Slauson Ave. . Los Angeles 58, Calif. ,. (Western Talc Co_) SAVIOLI. Francesco Istituto Siderurgico Finsider Villa BriltnoleCorso F. M., Perrone. 24 GenovaCornigliano (Italia) SA \\':\ I. lkutaro Kyr,lO I.-niversity. Kyoto, Japan VOL. ;~:1, ~O. 10 (954) SAWYER, E. C. (M) C<:ptral Silica Co., 806 ~i,,: ket St. Zanesville, Ohio SAXE, Charles W. (R) 1 Wawecus Rd . \\'orc;ster 5. ~Ia:;,. SAXONBURG CERAMICS (Ceorge H. Aderhold) Bo" 1SO Saxonburg, Pa. SC':\LES. John B. (EI) 456 Lynn Rd .. Berea, Ohio I :\atioaal Carbon Research Lao.) S~'l-l.\.-\. Ferdinand A ... Jr. (\\'J) 8-\ I'aumanake Ave .. Bahylon. :\. Y. , S~ h'ania Electric Products Inc.) SCIl.\B.\CKER, H. Eric lEi Erie Ceramic Arts Co --123 \\. 12th St.. Erit,. Pa. SCIL\EFER. Carl F. (\\'i 327 Sheffield Ave., Flint, )Iich . \ .\. C. Spark Plug Di,. General ~Iotors Corp.) SCHAEFER. \\'illiam H. (RJ) 5331 Beeler St., Pittsburgh Ii, Pa. (C. S. Steel Corp.) SCHAEFLE, Max Thayngen/SH, Switzerland (Tonwerke Thayngen A. G.) S~HATZKIl'\, Harvey (W) Architectural Tiling Co. Inc. Cass/Jackson Sts., Ke)port. :\. J. SCHACSS, Edward P. (G) 2324 l08th St., Toledo, Ohio (Owens-Illinois Glass Co.) SCHELBY, Frederick (G) Corning Glass Works, Corning. :\. Y. SCHELL, Donald C. (E) 2227 S. Gunderson, Berwyn, Ill. (Armour Research Foundation) SCHIEFFERLE, James A. (E) 4501 Statton Rd., Ashfield Acre'" Louisville 2, Ky. (General Electric Co.) SCHIENE, Quentin J. (RJ) 7715 S. Shore Dr., Chicago 49, Ill. (U. S. Steel Corp.) SCHIFFERLI, Leo M., lr. (R) Haynes Stellite Co.: Box 746 Kokomo, Ind. SCHLACKS, Richard J. (GI) 4519 S. Wigger, Marion, Ind. CRadio Corp. of America) SCHLEGEL, Roland F. Rua Xavier de Toledo, 266Sala 41 Sao Paulo, Brazil (Duresmalt, Industria & Comercib Ltda.) SCHLEHR, W. Raymond (GI) Brockway Glass Co., Inc. Lapel, Ind. SCHLOFFMAN, J. Paul (E) Challenge Porcelain & Stamping Co. Grand Haven, Mich. SCHLOTZHAUER, Leon R. (R) R.R. 2, Painted Post, X. Y. (Corning Glass Works) SCHMID, Arthur W. (G) Arthur W. Schmid Co. 1414 Investment Bldg.. 239 Fourth AYe. Pittsburgh 22, Pa. SCHMID, Robert L., Jr. (Rl 9 Palmers 'Lane Wallingford, Delaware County. Pa. (Aluminum Co. of America) SCHMIDT, Beuther L. (R) Anchor Hocking Glass Cor\}. Lancaster, Ohio SCHMIDT, William G. (5) Ceramic Div., General Electric Research Lab., The Knolls Schenectady, ~. Y. SCHMUNK, Louis (\\') 70 Dunedin Dr. Toronto 18, Ont., Canada (Standard Sanitary & Dominion Radiator, Ltd.) SCH:\EIDER, LaVoy H. (E) 4512 Swallow Rd .. Louisville 13, Ky. f "encral Electric Co.l SCH~EIDER, Matthew P., Jr. (S) 2931 William Tell St., Slidell, La. (St. Joe Brick Works, Inc.) SCHNEIDER, 2nd Lt. Robert K. (1) 340lst Std. Sqcln., Box 1449 Keesler Air Force Base, Biloxi, Miss. SCHOEMAKER, Clifford P. (R) Laclede-Christ) Co., 2000 Hampton AYe., St. Louis 10, ~Io. SCHOE~I:\GER, Irvin \Y. (BI) 5250 :\. Shoreland _\ve. ~Iilwaukee Ii, Wisc. (Globe-Cniotl Inc.) SCHOE:\LACB, Robert .\. (R) 3470 E. Fiith .\ve .. Columhn", J9, Ohio (Harrop Ceramic Service Co.) SCHOEPPEL, :\orman (RIJ 10 Elm Tree Dr., ~texil'o, ~10. 1.\. P. Green Fire Brick Co.) SCHOFIELD, H. Zane (WFil 894 Chamhers Rd .. Columbus 12, Ohio (Battelle ~l emorial Institute) SCHOLES, Addison B. (G) 825 Lexington Ave., Warren, Pa. (Sylvania Electric Product;:, Inc.) SCHOLES, S. R. (GF) Box 752, Alfred, N. Y. (Xew York State College of Ceramics) SCHOLS, Leon V.F.M. Graaf Van \\'aldeckstraat 33, Maastricht. Holland (E. Regout) SCHOONENBERG. P. J. "I, Bibliotheekcentrale ~. V. Philips' Gloeilampenfabrieken Eindhoven. Holland SCHOTS~[AN, J. Kruisstraat 31 Dieren, ~etherlands (N.V. Emailleerfabriek "de Usel") SCHOTTLAND, A. H. (G) Standard Bent Glass Co., Butler, Pa. SCHOTTS, Walter H. (M!) 23 E. Southington Ave. Worthington, Ohio (Harrop Ceramic Service Co.) SCHRADER, David M. (R) 742 Rotch Ave., Ma"'sillon, Ohio , (Republic Steel Corp.) SCHRAMM. Edward (WF) Onondaga Pottery Co. Syracuse 4. N. Y. SCHRECKE:\GOST, Don (DF) 2617 St. Clair Ave. East Liverpool, Ohio (Homer Laughlin China Co.) SCHRECKE:\GOST, Viktor (W) 2265 Stillman Rd. Cleveland Hts. 18, Ohio (Salem China Co.) SCHREIBER~"Edward Box 948, Alfred, N. Y. SCHRICKEL, Herman H., Jr. (G) 178 E. Pulteney St., Corning, N. Y. (Corning Glass Works) SCHROEDER, Fred W. (RFI) A. P. Green Fire Brick Co. Mexico. Mo. SCHROLL. J. R. (S) Manufacturers Equipment Co. Zl8 ~{adeira Ave., Dayton 4. Ohio SCHFETZE, Ervin W. (R) 1310 E. Promenade St.;Me"ico. ~fo. (A. P. Green Fire Brick Co.) SCHUH, Arthur E. (R) United States Pipe & Foundry Co. Burlington, N. J. SCHULHOF, Andres Lozadur, Grandes. Fabricas Argentinas de Ceramica, S. A. Boulogne. F.C.N.G.R. Buenos Aires, Argentina SCHULTZ, James B. (G1) .. 591 Minnesota Ave., Buffalo, N. Y. (National Gypsum Research Center) SCHULTZ. John, Jr. (EJ) Battelle Memorial Institute SOS I-:ing Ave.. Columbus I, Ohio fg I ,I ~ ,i ; ;, i f I ROSTER 79 .----------=------.......-.-4-5_&.' .:~..- SCHt'LZ. Eugene G . Jr. 930 Grand Concourse. Bronx 56, X. Y. SCHVM.-\CHER. \VilIiam G. (E) 5956 X. Glenwood A\'e. Chicago 40. Ill. (?\ational Cylinder Gas Co.) RECHT. H. G. (SFI) ampion Spark Plug Co. 25 Butler A,e.. Detroit II, ~1 ich. S CRTZ. D. D. (GFl Sharp,Schurtz Co. Lancaster, Ohio SCHWAB, Leon B. (R) 2H E. Home St.. Vandalia, Mo. (Harbi,on\\alker Refractories Co.) SCH\\' ..... LBE. F. G. (GFI) 1306 Craigwood Rd . Toledo 12, Ohio (Toledo Engineering Co . Inc.) SCHWARTZ. Bernard (BI) 35 Dogwood Dr . Bradford Hills. R.R..:? Downington. Pa. (Burrough, Corp.) SCHW.-\RTZ. Harold A .. Sr. (~) 2028 Horace .'he., Abington, Pa. (Simond, Abrasi"e Co.) , SCHWARTZ. ~l. A. (BI) WCRRL. Aeronautical Research Lab. W.A.D.C. Wright-Patterson AFB, Ohio , SCHW..... RTZ\\ALDER, Karl (WFI) A C Spark Plug Di\'., General ~Iotors Corp. r' Flint 2, Mich. ,"i)SCHWEICKHARDT, William K. (R) ::/ ]01 Fer!')' St.. St. Louis 7, Mo. ::.:,! . (Walsh Refractories C0sP.}' . SCHWEITZER. Howard V. (M) '<;,~, Schweitzer Equipment Co. .... 3764 Ridge Rd.. C1e"eland 9, Ohio .. ,SCHWENKLER. T~resa A, (G) '.<,' ", 979 Gco\'e St.. Elmira. N. Y. .~.<::: . (Corning Glass Works) );':SCHWIETE. Hans-Ernst :;'.,:,-;, Institut fur Gesteinshuttenkunde :',':},~ Aachen. ~lauerstrabe 5, German)' '.OTT, J. W. (W) Western Electric Co. Inc. . 7640 Hawthorne Station " Chicago 23. III. '1,~ . SCOTT. ~Iurra:,-' R. (GFI) Bausch & Lomb Optical Co. 635 St. Paul St.. Rochester 2. X. Y. SCOTT, Robert ~f. (RJ J 95 Lake A'e.. Apt. 2 \Vorcester. ~lass. (Norton Co.) SCOTT. Roger F. (Gl) 911 E. ~lain St., Mill\'ilIe. !\'. J. (Armstrong Cork' Co.) SCOTT, W. J. (W) Western Electric Co. Inc. 2525 Shadeland Ave. Intlianapolis 6, Ind. SCOTT, William D. 7707 Water St., Olmstead Falls. Ohio .. SE.-\BRIGHT. Clarence A. Harshaw 3/. Coiffe S. A. Boite Postale No. 208 Limoges (Haute "fo Vienne) France SEABRIGHT. Edward C. (E) 171 Beuland. Mt. Clemens. Mich. (Philco Corp., Range Div.) SEA:'\OR, J. G. (S) 2.'00 W. Tuscarawas St. Canton 8. Ohio (Bonnot Co.) SEARLE. Alfred B. 62. Moorcliffe. Skircoat Moor Rd. Halifax. York. England (Consultant I SEARSO:'\. Leslie : James Oakes & Co. (Riddings) Ltd, .' Jacksdale, :'\otts. England :. SEATOX, Max Y. (RF) ~A Food Machinery & Chemical Corp. F' 161 E. 42nd St., New York 17, N. Y. ~. SE.-\\\'EI.L. Joe. Jr. (S) ':"." ~Iiller Equipment Co., Inc. Box 156/). Salisbury, N. C. SECK~IA:'\. Harry D. (WI) LH E. Ri"erside, Peru. Ind. (StlUare 0 Co.) SE;.CORD, Robert :'\. (\\') Godfrey L. Cabot, Inc. Re.-earch & De\'elopment Dept. J~ ~lemorial Dr. 'ambridge. ;'1 a", SEDALI.-\. B. ;'1. Titanium Alloy ~Ifg. Di\,., :\ational Lead Co., Res. Lab. Box C, Bridge Station :'\iagara Falls, :'\. Y. SEDE:\K.-\. Anthony (E) 1086 ;,Iagnolia .Dr., Colonial Height\\. ashington. Pa. lB. F. Drakenfeld & Co .. Inc. J SEELEY. E. L. 1\\') 800 Lotus Ave.. Che,;ter, W. \'a, (Harker Potter\, Co.) SEE~L-\:'\:'\. Wilheim ' Pipersgatan 3. Stockbolm. Swetlen SEGELER. C. G. 1~1) .-\merican Gas """,n .. 420 Lexington ,-\ ,'e. :'\e\\ York 17, :'\. Y. SElDEL. Jo,;eph (W) 1051 /, S. Sweetzer A,e. Los Angeles 48, Calif. SEIPEL. Robert B. (G) Blue Ridge Glass Corp. Kingsport, Tenn. SEITZ. Wolfram (G) Glass Containers Inc. 3601 Santa Fe A,e. Los Angeles 58, Cali f. SELLERS. George A. (R) 315 E. Crescent A,'e., Elmhurst. Ill. (Plibrico Co.) SELLERS, John T. (RI) 109 Church St. Jackson, Ohio (Pyro Refractories Co.) SE~n[ELMA!'\. John 0. (GI) Dentists Supply Co. of New York College & Grantley Ave., York. Pa. SEMPLE. William A. (R) Aluminum Co. of Canada. Ltd. Chemicals Diy., 1700 Sun Life Bldg. Montreal. Que.. Canada SE:'\K. Johann Vienna XVII Dornbacherstr. 29. Austria (Radio Fabrik IngdenPorzellan Fabrik ) SE:'\TERS. Walter J. (R) Washington Brick & Lime Co. Spokane. Wash. SEPHTON. H. J. (G) Dominion Glass Co. Ltd. Chapple St.. Hamilton. Ont., Canada SERVIS, Donald H. (W) Robertson Mfg. Co., Box 848 Trenton 5, X. J. SETCHEL, Hayden ;,Ierritt (Gl 105 Tenth St., Streator, Ill. ( Owens- III inoi,) SEYERI:,\. Harold Box 787. Alfred, :'\. Y. SEVERS IKE. Carroll L. (E) 84 Sutherland Rd., .....pt. 10 Brighton. ~Iass. (Syh'ania Electric Products. ] nco I SEY:'IOCR. Samuel L. (G) 125 Reed St .. Xew KensinRton. Pa. (Pittsburgh Plate Glass Co.) SH.-\FFER, E. F. (Gl Ohio Power Co.. :\ewark, Ohio SH.-\FFER. Paul C. (G) 85 Chapel St.. Seneca Falls, X. Y. (Syhania Electric Products. Inc.) SH..... H. Chunilal P. Bombay Potteries & Tiles Ltd. t'nited India Bldg. Sir Phero"haw ~lehta Rd. Fort Bombay. India S H."" LEK. Peter D. l.l2 N. East Ave. Oak Park, Ill. SHA:'\D. Errol B. (G) 15.; Reynolds Ave .. Corning. X. Y. ( Corn in g Glass Works) SHA:\D. Rodger L (El 4155 Dupuis A\'e. Apt. 15 ;,lontreal 26, Que., Canada (Ferro Enamels (Canada) Ltd.) SH.-\:'\DS. Everett H. (E) Florida Ceramic Tile Co.. Box 451 Lakeland. Fla. SH.-\:\ER. Herbert J. (R) Ramtite Co.. 2563 W. 18th St. Chicago 8. Ill. SH.-\:\KS, Dougla,; Shanks & Co. Ltd.. Victorian Pottery Barrhead. :'\ear Gla,gow, Scotland SH.-\:\:'\O:'\. Harry F. IE) Cnited States Steel Corp.. Rm. 2414 525 William Penn PI. Pittsburgh 30. Pa. SH.-\PIRO. Howard (BJI 1 1410 East ,-\\'e.. );ew York 62. :'\. Y, I Ward Leonard Electric Co.) SH.-\PLA:'\D . .lame, T. (XJ) 2030 Waggoner Ave., E\,anS\ille. Ind. ( International H arve,;ler Co.) SH ..... RDLOW, L. Ru",el (WI) RCA Victor Di\'. Radio Corp. of America Harrison. N. J. SHARP, Donald E. (GFJ Libbev-Owens-Ford Glass Co. liOI 'E. Broadway. Toledo 5, Ohio SH.-\RP, E. W. (RI) 62 N. High St., Jackson. Ohio (Pyro Refractories Co.) SHARTSIS. Leo (G) 4514 W. Virginia Ave. Bethesda 14. Md. (N ational Bureau of Standards) SHAVER, Richard C. (R) 317 Bear St., Syracuse 8. N. Y. (Cowles Chemical Co.) SHAVER. W. W. (G) 130 E. Fourth St,. Corning, N. Y. (Corning Glass \\lorks) SHAW, Anthony E. (S) Xatco Corp., 327 Fifth :he. Pittsburgh 22. Pa. SHAW, Clarence F. (WI) 2240 N. Manning St., Burbank, Calif. (Gladding. McBean & Co.) SH .....W. L. 1. (XI) Club DelMar, Santa Monica, Calii. ( Consultant) SHAW, Myril C. (~IFl) 553 Gates St., Philadelphia 28, Pa. (Asbestos Textile Institute) SHAW. Ronald H. <S) L. E. Shaw Ltd., 74 Bedford Row Halifax. N. 5 .. Canada SH.-\Y:'\A, Michael (Wn Medicine Hat Potteries Medicine Hat, Alta.. Canada SHEARER. Walter L. (R) 15 Muirhead A'e., Trenton 3. X. J. (Rouse & Shearer) SHE.....RER. Wayne B. (RJ) Ilti W. King St .. Mal\'ern. Pa. (Foote Mineral Co.) SHEAROUSE. Lee A. (W) 326 Highland A\'e .. Wadsworth. Ohio (Ohio Brass Co.) SHEEHAN, Robert W. (MJ) Ceramic Supply' Co., CrookS\'ille. Ohio SHEERER. Mary G. (DF) 6540 Hamilton ..... \'e., College Hill Cincinnati. Ohio SHEETS, Herbert D. (Rn 41 Marlowe A\'e .. Buffalo 19. N. Y. (Electro Refractories & Abra:si, es Co.) SHELDO:,\, R. S. (E) 4224 LeFevre Dr., Dayton 9. Ohio (Frigidaire Div . General Motors Corp.) SHELL. Haskiel R. (B) t. S. Bureau of Mines Electrotechnical Laboratory Pine Road. !\'orris, Tenn. SHELLEY. C. B. (RI) General Refractories Co. 1520 Locust SI . Philadelphia 2. Pa. ,, 1 -----. . -.----_2_2.....-YOLo :~:~, ~O. 10(1954) ROSTER 81 SIlELTON, G. R. (WF) 6614 Delfield St.. Chevy Chase 15, Md. (~ational Bureau of Standards) SHELTOX, Philo S .. Jr. 130 Burr St., Fairfield, Conn. SHENANDOAH SILICA CO., INC. (Herreid D. Thropp) 333 W. State St.. Trenton 8, X. J. NANGO CHINA, INC. (Geo. B. Zahniser) New Castle, Pa. SHEPARD, Anna O. (B) 751 11th St., Boulder, Colo. (Carnegie Institution of Wash.) SHEPHERD, John F. (EI) Shepherd Chemical Co. Jliorwood. Cincinnati 12, Ohio SHERK, Donald (R) 218 Dalton Dr .. Tonawanda Twp., ~. Y. (J ohns- ~1 :Imille Corp.) SHERRILL. Robert R. (E1) 425 Can,'"n Dr.. Glendale 6. Calii. (Bulwark Corp. I SHERWOOD. Robert F. (WFI) 1004',2 Harrison St., Syracuse 10, ~. Y. (Consultant I SHEVLI~, Thomas S. (Rl) . Engineering Experiment Station Ohio State t:niversity . Columbus 10, Ohio SHIELD, Richard .;. University of Texas ";';;./.- C. P. Hall. Rm. 107. Austin. Texas ";::~SHIMADA. Hachiro ';:~.:: Shimada Gla<s Laboratory . . No. 2867. 1-Chome, Sanno _/ " Ota-ku, Tokyo, Japan . ./~HIMADA. Kuro -. Shimada Glass K.K. ,," I No. 47 Shimo3-Chome. Ebie ;- . ". Fukushima-Ku. Osaka, Japan ':f''SHIMER. J. B. (G) : :. , Buck Glass Co. ., .-. Fort Ave. & Lawrence St. ..,;~;.. Baltimore 30. Md. .,,~- IMMAN, Norman C. (W) 2348 Ventura Dr., R. R. 4 Walled Lake. Mich. . (Champion Spark Plug Co.) '. SHIKN, Joseph M., Jr. (R) 2350 GJenmawr Ave., Columbus 2, Ohio (Battelle Memorial Institute) SHIPLEY, R. A. (S) Natco Corp., 32i Fifth Ave. Pittsburgh 22, Pa. . SHIVELY. R. R. (GF) 83 Woodland Dr., Pittsburgh 28. Pa. (Consultant) . SHIVELY. Robert R.. Jr. (G) Mathieson Chemical' Corp. 2416 Gulf Bldg. Houston. Texas SHOEMAKER, George W. (S) Arketex Ceramic Corp. 6 N. Walnut St. Brazil, Ind. SHOFFNER, James E., Jr. 1215 E. 64th St., Seattle 5, Wash. SHOXKWILER, Francis P. (R1) 10436 S. Hamlin Ave. Chicago 43. Ill. (Harbison-Walker Refractories Co.) SHOOK, Thurston \\'. (X) 2353 Cambridl(e Bhd. Columbus 21. Ohio (Harrop Ceramic Service Co.) SHOOK, William B. (I) 434 Chath:un Rd .. Columbus 14. Ohio SHOOT, Lyle E. (XJ) 7064 Eastern A,e. I. \Vashington 12. D. C. (Diamond Ordnance Fuze Lab. I SHOPHER. Sterling D. (RI I 415 E. ~ionroe. Mexico, Mo. nlexico Refractories Co.) SHORTER. A.]. BO:1nyhridge Silica & Fireclay Co. Lto. Bonnyhridge, Stirling, Scotla:1d HeBERT. E. R. Frank (S) ~ledicine Hat Brick & Tile Co. ~Iedicinl' Hat. :\Ita .. Canada Slltl.ZE. (,harb E. (I I ~I-'" E ~ixth ~t .. Rolla. ~Io SHCM.-\~. Albert (G) Box 417, Mt. Kisco, ~. Y. (Polarizing Instrument Co.) SIDWELL. John L. (~1) H. C. Spinks Clay Co., Inc. 1000 First :\ational Bank Bldg. Cincinnati 2, Ohio SIEFERT, A. C. (G) Owens-Corning Fiberglas Corp. :\ewark. Ohio SIEGR1ST, Paul F. (W) Erie Resistor Corp. 644 \\'. 12th St. Erie, Pa. SIEG\\'_-\LD, Cly(Je' R. (WII 816 Quinby Ave .. \\'ooster. Ohio I Robn,o!l CIa" l'roJucts Co. I SIEVERT. Guilio E. (R) 833 Oregon .'\,e .. San :-'lateo, Calif. (C"lt)cli!1~. ~1 c Bean & Co. I ~IG\\.\RT. Han'- J. (G) i .:2 Beechur:-t .-\n~. :-'iorgantown. \V. \a. (Seneca Glass Co. I SILK. Karl ~Ie,"rs. Jury Holloware Lto. Brierley Hill, Staffs, England SILVA. Alfonso Refractarios "Lota Green" S. A. Casilla 145-V. Valparaiso. Chile SILVERMAK, Alexander (GFI) cniversity of Pittsburgh 2525 Cathedral of Learning Pittsburgh 13, Pa. SILVERMAN, William B. (GFI) Owens-Illinois Glass Co. 1700 Westwood Ave., Toledo 1, Ohio SnlAVILLA, Juan M. Cristalerias Rigolleau S. A. Berazatequi. F.e.".G.R. Buenos Aires. Argentina SIMCOCK, H. J. "Cranford." Lovatt A,e. Milehouse. Newcastle Stafford, England (A. G. Hackney & Co. Ltd.) SIMISOK. A. L. (GI) Owens-Corning Fiberglas Corp. Toledo, Ohio SIMMEK. Fred G. (W) 964 Terrace Blvd. Trenton 8, N. J. (:\ational Ceramic Co.) SnBIIl'\GSKOLD. Bo Glasinstitutet i Vaxjo, Smedjegatan 3 Vaxjo. Sweden SDIMONS, E. E., Jr. (M) 455 S. Oakland Ave., Pasadena 5. Calif. SIM:\IONS, Milton L. (E) Ferro Corp. International Div. 4150 E. 56th St., Cleveland 5, Ohio SIMMO:--;S, Thomas Short Georgia Tech. Box 5247, Atlanta, Ga. SDIO.'\. A. G. (W) 3650 Fairesta St. LaCrescenta, Calif. (Gladding, McBean & Co.) SIMONDS WORDEN WHITE CO. (F. R. Henry) ~. Summit St. & Kegley PI. Dayton 7, Ohio SI:IIO:\IS, Paul .-\dministrateur-delegue Societe Bel~e de Ceramique "Cerabel" 2 rue de 1a Reg-ence Bruxelles. Bel~ium :-'I:I'O:\S. T. ~Iitchdl. Jr. (\\') "186 E. J aylee Dr. Temple City, Calif. lB. F. Wag-ner & Co.) SnlO:\SE:\, Eduardo C. Companhia I'aulista de Mineracao ]{ua Boa Vista 84-i Andar Sao Paulo. Brazil SL~10:\SE~, \'ictor G. Ceramica Sao Caetano S. A. Caixa I'o-tal 278, Sao Paulo. BrazU 51:-.11'."O.\'. Fr",lerick H. "d~tl-12th __\\-e .. K. \\'. Seattle i. \\'a,h. SI:I1PSO:\, Harold E. (GFl) New York State College of Ceramics Alfred. N. Y. SI~IPSO", John A. (S) F. B. )lcFarren Ltd. Street"'ille. Ont., Canada SI:IIPSO.'\, John D., Jr. (S) States"ille Brick Co. Statesville, ~. C. SI"CLAIR. Robert R. (\\') 510 S. O,age An., Inglewood. Calif. (\\'estwood Ceramic Supply Co.) SI"GER, Felix (F) Keramos House, 46, Castlemaiue Ave. South Croydon, Surrey, England ( (nn ...ultant) ~ I.,\r;:-'I.\STER. James Arthur (R) ~20 Lexington Aye. ~ew York 17. :\. Y. I Sin~l1la-ter & Breyer) SIQtEIR ..\. Pedro ~1. Ceramica Sac. Caetano S. A. Rua Boa Vista 84-6 Sao Paulo, Brazil SIRO\'Y, George (E) Century Vitreous Enamel Co. 6641 S. ~ arragansett .-\ ve. Chicago 38, Ill. SISK.-\. Alhert H. (E1) 822 Ellis Ave., Ashland, Ohio ( Ferro Corp.) 515.50.'\S. Gordon H. (S) 320 First St. :\ledicine Hat. Alta, Canada (Medicine Hat Brick & Tile Co., Ltd.) SIXT. Lawrence F. (W) Box 3. Wellsville, Ohio (",ew Castle Refractories Co.) SKEOCH, Walter K. (M) 320 S. Mission Rd. Los Angeles 33, Calif. (Southern California Minerals Co.) SKINNER, Kenneth G. (RI) 4223 First St. S. E . Apt. 203 Chesapeake Gardens v.' ashington 20, D. C. (N aval Research Laboratory) SKIN~ER. Roger D. (G) Svh'ania Electric Products Inc. \\~inchester. Ky. SKOGE:'\, Ha"en S. 198 Bevier Rd., l:niversity Heights New Brunswick, K. J. SKOK. John J. (I) 1434 :\. Ridge Rd.. Lorain. Ohio SKl:RCE:\SKI. Anton (G) H. I. Thompson Fiber Glass Co. 1i.1.1 Cordova St., Los Angeles 7, Calif. SL.-\ YTER, Games (GF) Owens-Corning Fiberglas Corp. :\ewark, Ohio SLICK, E. E., Jr. (R) Haws Refractories Co., 407 Main St. Johnstown, Pa. SLYlI, John A. (RFI) American Encaustic Tiling Co. Inc. Lansdale, Pa. S~L\LL. Carlton F.. Jr. (RJ) 115 Fan'iew Aye., Trooper ?\ orri:.;town, Pa. (E. J. Layino & Co.) ~~!.-\LLEY. Howard F. (EI) I'emco Corp., Re,earch Di\'. 2j54 Greenmoltnt Ave. Baltimore 18. ~Id. S),!.-\RT, Frank H. (W) 24 Frerlerick St., Montclair, ~. J. (\\'hittaker, Clark & Daniels, Inc.) SMITH, Adrian F. (G) 86 E. Third St., Corning. N. Y. (Corning Glass Works) S:-'IITH. :\Iden J. (\V) R. R. I. Care)'. Ohio (Porcelain Prooncts Co.) SMITH, A. 0., CORP. (W. A. DerinRer) 3533 ~. 2ith St., Milwaukee 1. Wise. S~IITH. Arnold N. T & R Roote. Ltd. Bur-ll'In. ~taff"nl, England JI , ! '.I .j. , ~, t , - - - - - - - - - - -.,.......- . . . . . .JIISIlU_Slll.!l _.4. . . . .'- . SMITH. C. :\. (RJ) Mexico Reiractories Co. Mexico. )10. SMITH, Dudley C (G) Main & Chestnut. Vineland, X. J. . (Kimble Glass Diy .. Owens-Illinoi, Glass Co.1 TH, Earl R. (G) Research Laboratories . Pittsburgh Plate Gla,.,. Co. Creighton. Pa. SMITH, G. Sherwood Department of Ceramics Pennsyl\'ania State Cniyersitv State 'College, f'a. . SMITH. Gail P. (G) R. R. 3. Box 120. Corning. X. Y. (Coming Gla5> Work,.\ . SMITH. H. P .. Jr. ()I) Hufford )Iachine "orks. Inc. 170n E. t~rand :\\-e. EI Segundo. Calii. SMITH, H. Russell (M I Box 757, East Li,erpool. Ohio . (Croxall Chemical & Supply Co.) .:.::';::k; SMITH. Harlan D. (R) v.;ellsyille Fire Brick Co. .",..... \\ ellsnlle. )10. ".~$1dITH. Harry \\". I R ) 'I1.: 919 Linden Hall, Chattanooga 5. Tenn. ., '~ (American Lava Corp.) 'Ii'. ITH, Herbert A. (D) . ~ Palm. Fechteler & Co., Box 750 .:..:~-.\ East Li,erpool. Ohio .~ITH. Hillard A. (WI) .' . ':.:~,.~;. 159 Chestnut A\'e., Metuchen. X. J. . :t: (Richmond Radiator Co.) MITH, Howard J. (R) ;:' 101 God"'in .... 'e., East Paterson, X. J. .:', (Titanium ....lIoy Mfg. Div.. ~ational Lead Co.) ITH. J. Ernest (X) 1317 Putnam Ave., Plainfield. 1\. ,I. (Ceram-i-cast Corp.) MITH. James United Fireclay Products, Ltd. Bathville Office, Armadale ~";$f.." West Lothian. Scotland :'?NOSMITH. J. Ryan (W) >.,~;::V Fairfacts Co.. Fairfacts St. Trenton 8. X. J. ,.<:SMITH. James X., Jr. (D) .';;~i: "Arhorlaen." R. R. 5. Xew Bern. X. C. ';~.t:;. ( Arborlaen Gardenware) '".> SMITH. John Jacob (G) . 1107 Highland St.. Tarentun, Pa. .::"," (Pittshurgh :E?late Glass Co.) ':,",: SMITH. Karl W. S. (R) Charles Ta\'lor Sons Co. :-- 710 Burns St.. Cincinnati 30, Ohio ,,'SMITH. Kenneth E. (DFI) 4716 W. 16th St., Indianapolis 44, Tn,1. ( American Art Oay Co.) SMITH. Leland (SI) Box 2Q4. Darlington, Pa. CStaso )1 iIIing Div. of CentraI Commercial Co.) SMITH. Peter \\'illiamson (W) 3337th Tech. Tng. Sq. Scott :\.F.B .. 111. SMITH. Ralph Ogden IG) 30 Chestnut St., Salem. ~. J. (Gayner Glass \Vorks) SMITH. Richard D. (E) 20QQ Ahbinl(ton Rd .. Cle\'eland 6. Ohic, (Ferro Corp.) SMITH. Richard E. (G) 114 Pleasant St.. Manchester, Mas,. (Syl\'ania Electric Products Corp.) SMITH. Richard ~L tR) 21~ Seneca St., Corning. X. Y. . (Corning Glass Works) SMITH. Robert A. (E) Murray Corp. of America 1900 S. Washington, Scranton, Pa. S~f ITH. Robert K. (R) 140 ReY'nolds Ave.. Corning. K. Y. ICorning Glass Works) VOL. :n, ;\U. 10 (l9,j-1) S)lITH. RO\dand D. (Gl 12 \\'oodlawn :\\'e.. Corning. ~. Y. (Corning Glass \\'orks) -5:\IITH. Ruius .1., Jr. (S) .106 S. Jefferson 5t.. Goldshoro. ". C. SO)[ERS, A. J. Borax Consolidated. Ltd. Regis House. King \\'ilIiam St. London E. C. 4, England SO)I)fER. Alfred (\\') JJ IE. 1. du Pont e1e ~emours. Inc. J SMITH & STONE~ LTD. (\Y. B. 1'01'<11 Georgetown, Ont.. Canaela S:\I1TH. T. Sydney 1\4 Fairmount .-\'e.. Kingston. X. Y. IFerroxcube Co. of .-\l11erica I SmnIERVILLE. J. L. IGII 283 Atlantic St .. Bridgeton, X. J. Bright\\ood. \'a. 10wens,lllinois Glass Co. I S)TITH. \\'illiam E. I G) SO"DLES, )lerrill C. (\\'1 50.10 Janet. 5yl\ania. Ohio Paden City Pottery Co. 10wens-llIinois Glass Co.) Paden City. \\'. \a. S)ll TH. \\'illiani L. l\\') SO"E~SHI:\E. Lewis IGJ\ Harris Clay Co.. Spruce Pint'. ~ C. 2141 Holland .-\ve" ~ew York 60.:\ Y S:\IOCI-.:. .\Jelen \Y. I G) SO:\TZ. Arthur (RI \ 41 Euclid .-\,e .. Columbus \. Ohi" 8054 S. Crallllon .\n .. Chicag-" 1~. III. 1:\ oeth ,-\merican A\'iation I ''C'. I Il'. S. Steel Corp. I S)IOKE. EeI\\'ard J. (\Y I II E,Ig-e\\ood Rd .. :\Ietuchen. :--: . .L SOS)!:\:\. Rohert B. I Honorary. BFll School of Ceramic~. Rttt~er~ llli\t"r... it~ (Rutger:-; Cni\"t'T:-..ity) :--:t'\\ Bru",.wick. ". J. S:\l OOT. lack )1. (DII snCTll. Furman. Jr. IRI Chamblee. Ga. La"a CruciLle,Refractorie, ('" I Dogwood Ceramics I First :--:ational Bank BI,Ig-. S)\OTHERS. \\'. J. IBI Pittsburgh 22. Pa. Ohio Bras; Co., Barberton. Chi" SOUTHERN POTTERIES, INC. S)IYLY. James P. ()fJ) (H. W. Kibler! Box Ji9 1'l24 .\shiand A\'e .. Charlotte. ~. C. Erwin. Tenn. S)I YTH. Harold T. CB) SO\\')I.-\:\. Harold G. I R) Xew Jersey Ceramic Research Static,,, 1480 Grand Blvd.. Schenectady. X. \ Rutgers Cni\"ersity, (Knolls Atomic Power Lah .. Xew Brunswick. X. J. General Electric Co.) SXO\\. L. James (S) SOXMAX, Edwin J. <I) Mifflinville, Pa. Box 117, Alfred. X. Y. (Alliance Clay Product Co.) SXO\Y. Roland B. (RF) SP.\:\GEXBERG. William C. (EI) )Ietal & Therm;t Corp.. Carteret. X. J. C S. Steel Corp. SP.-\RKS. Edgar W. (\n 525 William Penn PI.. Rm. 241.; 406 L"naka \\ay. Erwin. Tenn. Pittsburgh 30. Pa. I Southern Potteries. Inc.) SXYDER, Ernest B. (RI) SP.\RRO\\'. Paul F. (R) \\'heeling Steel Corp.) 610 Shady Dr. E .. Pittsburgh 28. Pa. 5teubendlle South Plant (~orton Co.) Steubel1\ilIe. Ohio SPEERS. Samuel F. (0) SXYDER. ~icholas H. (W) Evans Case Co.. 21 East St. 531 Maple A,e., Trenton 8. ". J. Xorth Attleboro. Mass. (Rutgers Uni\'ersity) SPElL. Sidney (BIl SOBOX. Leon E. Johns-Manville Research Center Box J-3. Alfred. X. Y. )Iamille. K. J. SOCIETA ITALIANA REFRATTARI SPEXCE. C. F. (E) MARGHERA AZIONARIA 1004 Grandon A'e .. Columbus Q. Ohio t Domenico Giacomelli) I Chicap:o Vitreous Corp.) \' ia I ndustrie 52 SPEXCE. Harold I. Casella Postale 38. Marghera. Italy Klabin Irmaos & Cia SOCIETE CERAMIQUE A\'. Suburbana. 5472 !'vfeier I COl11te 1. de !'vleeus d' Argenteuill Rio de Janeiro. Brazil Hoge Barakkenstraat 6 ST'EXCER. Charles D. tGF) :\1 aastricht. ~ etherlands Lamp Development Lah"ratory SOCIETE FRANCAISE DE CERAMIQUE ( Y. Letort) 44. Rue Copernic Lamp Dent.. General Electric Co ),'ela Park. Cle,'eland 12. Ohio SPE),'CER. Howard G., III (SI) Paris 16, France 232 X. Main St.. Suffolk. Va. SOCIETE PROFESSIONNELLE DES PRODUITS FRANCAIS DE TERRE CUITE (Guy Le,loigt I 23. rue de Cronstadt Paris XV. France SOCIETY OF GLASS TECHNOLOGY I R. W. Douglas) "Thornton" Hallam Gate Rd.. Sheffield 10. Engla:l \ SOCONYVACUUM OIL CO. I \Y. B. Ste\'ens) 26 Broadway SPEXCER-STRO:\G. G. H. (EFT I 10Q Witherspoon Rd. Baltimore 12. ~Id. (Pemco Corp.) SPEXGLER, H. H. IG) Glass Technology Lab. General Electric Co. 1133 E. 152nd St.. Cle,eland. Ohio SPERRIXG. Richard F. (GJ) 131\-37th St.. X. E .. Cedar Rapi,ls. la. (Pittsburgh Plate Glass Co. I Xew York 4. X. Y. SPINKS. H. C.. CLAY CO.. INC. SODERSTRt."M. William K. (511 1151 Bookcliff .'\\-e. I R. B. Carothers) Box 829 Paris. Tenn. Grand Junction, Colo. SPI:\XER, Sam IG) (Grand Junction Brick Co.) SOI.O)IO:\. Earl (Rl) 1657 Boston Rid!(e Rei. Orchard Park. X. Y. (Electro Refractories & Ahrasi"eCorp.) SOLVAY PROCESS DIV., ALLIED CHEMICAL & DYE CORP. Librarian. Syracuse 1, ?'\. Y. Xational Bureau of Standard,. \\ashington. D. C. SPIRES. Stephen T. (Rl\ ),'orth American Refractorie, Co. !'vlt. l'nion. Pa. S POERRY. Henry J. Schmidheiny & Co.. Ltd. Heerhru!(g. (St.G.) Switzerland SPRIGGS. Richard M. (EJ) I.. t. It ~. SO)\ .... :\Y. O. !'vI. 408 W. Hill St.. Apt. 25 Hindusthan Xationa\ Gla;s Champaign. III. :\1fI(. Co .. Ltd. 2. Wellesley PI .. Calcutta I. Irulia SPRI:\(~. Georp:e E. Box 3517. Ga. Tech ...-\tlanta. (~a. , ---_.il--- -------=-.. ROSTER N i _a_a 2.J2.~ SPROAT, Ira E. t WFI) R. T. Vanderbilt Co., 230 Park Ave. New York 17, !\. Y. SPURCK, Richard F. t W) Coors Porcelain Co., Golden, Colo. SQUARE D CO. (Ralph E. Hanna) lded Insulation Div., Peru, Ind. R, Arthur A. (5) 16 Walnut St., Philadelphia 3, Pa. (Distributor) SRUOGA, Valerio Belgrano 766, Buenos Aires, Argentina STAATLICHE PORZELLAN MANUFAKTUR BERLIN (Gerhard Muller) Hartmannstrasse 1-3 (l3a) Selb/Oberfr. U. S. Zone, Germany STAATS, Henry ~. (E) 7300 W. Lawrence _\Ye., Chicago 31, Ill. (Magnaflux Corp.) STACH, Otto R. tR) Carborundum CP., Refractories Div. Box 268, Perth Amboy, !\. J. STADLER, Leo E. (G) 1057 Plymouth St., Windsor, Conn. (Hartford-Empire Co., Djv. Emhart Mfg.) STAFFICKER, Charles F. (G) 506 Grandview Ave., Vineland, N. J. ,,_ (Kimble Glass Co.) '~STAFFORD, W. L. (RFI) "/":.'c. Johns-Manville Research Center ~,:"! Box 159, Manville, N. J. :::STAHMANN, John A. (W) ~ .' ~ . 4275 Verdugo Rd. Los Angeles 65, Calif. <.. ' (Gladding, McBean & Co.) STALEGO, Charles J. (G) "'" 227 N. Fifth St., Newark, Ohio ; ,,-' (Owens-Coming Fiberglas Corp.) "'STALTER, Thomas L. (1) ":- 365 E. 15th Ave., Columbus I, Ohio . STAMPS, Murray R. (W) ' Canadian Porcelain Co. Ltd. Box 428, Hamilton, Ont., Canada NDARD BRICK & TILE CORP. . ','. (Clifford A. Kleymeyer) Evansville 8, Ind. STANDARD ULTRAMARINE & COLOR CO. (L. F. May) Huntington 18, W. Va. STANGL, J. M. (W) Stangl Pottery, Trenton 4, N. J. STANGL POTTERY (J. M. Stangl) Trenton 4, N. J. STANISLAW, T. Stanley (W) Box 354, Centerport, L. 1., N. Y. (Sylvania Electric Products, Inc.) STANLEY, George V. (E) 2752 W. 90th PI. Evergreen Park 42, III. (Crane Co.) STANNARD, Wilford T. 'E) J. A. Dedouch Co., 608 Harrison St. Oak Park, III. STANSFIELD, James R. D. (S) Streator Brick Co. Div. Hydraulic-Press Brick Co. Streator, III. STANWORTH, John Edwin 74 Ashlawn Rd" Rugby 'Warwick, England British Thomson-Houston Co., Ltd.) STAPLETOK, Robert E. (W) 6 Third Ave., Franklinville, N. Y. (Hi-Q Div .. Aerovox Corp.) STAR PORCELAIN CO. (Daniel \\'. Luks) Muirhead Ave" Trenton 9, N. J. STARK CERAMICS, INC. 0. H, Stewart) Box 230 Canton 1, Ohio ARK. Rawson E. (W) R. R. 5. Greensburg, Pa. (Stupakoff Ceramic & Mfg. Co.) STARKEY. Daryle D. (~n R. R. 1, Willa rd, Ohio (Fate-Root-IJeath Co.) VOL. :n, :\0. 10 (l();')-!) STARKEY, Edward A. (M) 145 W. Second St., Apt. E ~lansfield, Ohio - (Fate-Root-Heath Co.) STARKEY, Elmer A. (R) 4720 Bayard St., fittsburgh 13, Pa. (l". S. Steel Corp., Duquesne Works) STAt:'DT, August (W) 264 Water St., Perth Amboy, ~. J. STAUFFER CHEMICAL CO. tM. P. Kerins, Jr.) 380 ~ladison Ave., };ew York, ~. Y. STAt:FFER, Kenl\eth H. B. (\\') 380 Thornridge Dr., Levittown, Pa. (Robertson !>lfg. Co.) STA\ROL..\KIS, J. A. IB) 10108 S. Calhoun Ave., Chicago 17, Ill. (Armour Research Foundation) STECK. C. O. (G) F. J. Kress Box Co., One 28th St. Pittsburgh 22, Pa. STEELE, G. Allen (R) 546 Cedarhurst Ave., Dayton 7, Ohio (Simonds Worden White Co.) STEELE, Harry L. Shorter & Son Ltd., Copeland St. Stoke-on-Trent, England STEELE, Hoyt P. (E) Benjamin Electric Mfg. Co. Des Plaines, Ill. STEELE, J. c., Jr. (S) J. c. Steele & Sons, Statesville, };. C. STEELE, J. C., & SONS, INC. (J. C. Steele, Jr.) Statesville, N. C. STEELE, Richard E. (X) Ram, Inc., 1064 W. Fifth Ave. Columbus 8, Ohio STEELE, William Perrin (S) Pine Hall Brick & Pipe Co. Winston-Salem, N. C. STEFL, Donald J. (W) Freeport Brick Co., Freeport, Pa. STEIL, Roy C. (C) 3450 Garfield St., Denver 5, Colo. (Export Chemical Corp. of Colorado) STEIN, Colin H. 7 Melville Terrace, Stirling, Scotland (John G. Stein & Co., Ltd.) STEIN. Ronald C. Messrs. John G. Stein & Co., Ltd. Bonnybridge, Scotland STEINBOCK, E. A. (R) Whip-Mix Corp., 411 W. Avery St. Louisville 8, Ky. STEINER, Harry C. (G) Industrial & Transmitting Tube Dept. General Electric Co. Schenectady 5, N. Y. STEINHOFF, -Fred L. (WFI) Brick & Clav Record-Ceramic Industn' 5 S. Wabash, Chicago 3, Ill. - STELLE. John A. (S) Arketex Ceramic Corp., Brazil, Ind. STE!\Qt'IST, Donald R. t:.S.s. Roose,'elt (CVA 42) F.P.O .. San Francisco, Calif. STE~T, Howard B. Box 1587, Nairobi Kenya Colony, East Africa (E. A. Industrial Research Board) STERLING ABRASIVES DIV., CLEVELAND QUARRIES CO, (L. B. Bellamy) Box 801, Tiffin, Ohio STERLING CHINA CO. (William T. Pomeroy) East Liverpool, Ohio STERLIl'G, Harry S. (G) Corning Glass Works STERH~a.rroGdsebourgrge, Ky. (!>1l American Electro ~fetal Corp. 320 Yonkers Ave" Yonkers 2, 1'. Y. STERRY. J. Patrick Ceramic Engineering Div., Roberts Hall t'niversity of \Vashington Seattle 2, Wash. STERRY, William M. 1019 E. 43rd St., Seattle 5, Wash. STETTI~n.:S, K. E. (W) Lapp Insulator Co., Inc., Le Roy, N. Y. STETSO~, Alvin R. (E) Research Div., Solar Aircraft Co. 2200 Pacific Highway San Diego 11, Calif. STETSO~, Harold \Y . 303 ~Iineral Sciences BIJg. Pennsylvania State Cniversity State College, Pa. STETSO~, \\"illiam C. t\YI) Box 44, Saxonburg, Pa. (Saxonburg Ceramics I STETT~ER, Donald H. (El , 419 W. Olney Ave., Philadelphia 20, Pa. (Heintz ~Iig. Co.) STEUBENVILLE POTTERY CO. ( \v. J. ~lould) Steubem'ille. Ohio STEl'ER~AGLE, J. H. (G) Brockway Glass Co., Inc. Wood St., Brockway, Pa. STE\'E~S, ~lajor Donald K. IE' Research & Analysis Dept. The Arty School, Box 227 (.-\A&G~1 Be), Fort Bliss, Texas STEVEXS, E. G. (Wn Engr. Expt. Station, Rm. 306 Ohio State University Columbus 10, Ohio STEVENS, FrankJ. (WI) 414 Prospect St .. Nutley 10, N. J. (lsolantite Mfg. Corp.) STEVENS, Joe (R) Murray Refractories Co., Box 338 Murray, Ctah STEVENS, L. M. (R) 2907 Alabama St., La Crescenta, Calif. (Gladding, McBean & Co.) STEVENS, Robert P. (RI) Wellsville Fire Brick Co. 1625 W. 104th PI., Chicago 43. Ill. STEVENS, W, B. (W) Socony-Vacuum Oil Co., 26 Broadway New York 4, N. Y. STEVENSON, James K., Jr. (RI) R. R. I, Mundelein, Ill. (Norton Co.) STEVENSON, Samuel (W) 1967 Grafton Rd., Elyria, Ohio (Harshaw Chemical Co.) STEVENTON, Horace John Steventon & Sons, Ltd. Cledford Works ~1iddlewich, Cheshire, England STEWART, Alex (E) Kational Lead Co., 111 Broadway l'ew York 6, N, Y. STEWART, George C. (M) Livingston Manor, N. Y. (Abaco Co.) STEWART, Isaac (G) New York Testing Laboratories, Inc. 47 West St., New York 6, N. Y. STEWART, J. H. (S) Stark Ceramics, Inc., Box 230 Canton I, Ohio STEWART, John A. (GI) 419 Locust Ave .. Washington, Pa. (B. F. Drakenfeld & Co.. Inc.) STEWART, Malcolm (M) 310 Irwin St .. San Francisco 7, Calif. (Commercial Minerals Co.) STEWART, \','ilfred H. IR) U. S. Reduction Co .. ~610 Melville East Chicago, Ind. STIEF, W. C. (W) 158 S. Wilson Blvd., ~lt. Clemens, ~1ich. (Mt. Clemens Pottery Co.) STIEFEL, ~laurice B. (RJ) National Bureau of Standards Van !\ess & Conn. Ave. Washington. D. C. STILLWATER CLAY PRODUCTS CO. (J. P. Duffy) Lock Drawer 32 l'hrichsville. Ohio STOCK, Donald F. (R) Harbison-Walker Refractories Co. Hays Lahoratory, Pittsburgh 7, Pa. ROSTfR 87 I1It1 : ''1' I' ... i t.". Il.' i~ ----------...-.=-.:2. . . STOCKDALE, George F. <G) 49 Corning Blvd., Corning, X. Y. (Corning Glass Works) STOCKSLAGER. Theodore F. I W) Carborundum Co. 24800 Lakeland Bhd. t le,.eland 23. Ohio STRO~1. Arthur (El gic Chef, Inc. 641 S. King.-high\\ay. St. Louis 10. ~In. STODDARD. Stephen D. (W1) 2557C 36th. Los .\la1110s, :;;-. M. (Los Alamos Scientific Laboratory) STOE:\, Roger C. I S I ) Cannelton Sewer Pipe Co. Cannelton. Ind. STOHL. Alfred A. (\\') 374 :\onh St .. Snn Prairie. Wise. (V.'isconsin Porcelain Co.) STOHL, L. .\. 1\\'l Wisconsin Porcelain Co. Sun Prairie. Wisc. STOLTE. Xorman H. (EI) 3974 Orchard Rd. Cleve!and Heights 21. Ohio (Harshaw Chemical Co.) ,STONE, Benjamin (W) ';";;:: California Crafts ,-" .. '; 43340 :\. Gratiot. ~It. Clemens, ~Iich. :STONE. Conrad A. (G) ;:.;:.::" .'. 93 S. Remington Rd. :..::.;;,;~, Bexley, Columbt's 9. Ohio :"'-Y.'. (Federal Glass Co.) ~::STONE, C. P. .' '::::::",.-'.: Ferr"mic Industries. Ltd.-- " ...! ....~.'y 25 Hvdewav, \Velwvn Garden City %3i~" Hert;, En'!iand ' .. ;:~TONE, F. R. fR) /l;'~;r;-:::"~> Canada Fi-ebrick Co" 4741 St. Ambroise St. Ltd. .::;c/' Montreal. Q"e.. Canada :{:STONE, Robert J. (M) ;~i~< John W. Higman Co. i.:;-"2"4 State St .. ~ew York 4, ~. Y. . E, Rohert L. fBFl) . ept. of Ceramic Engineering '>. University of Texas. Austin 12, Texas ','STONE, S. A. (!\f) :.'.: Deister Concentrator Co. 901 Glasgow .\Ye., Fort Wayne, Ind. STO~G, Guy E. (G) 926 W, Water St., Elmira, X. Y. .' .~.,' fCorning Glass \\'orks) .. STOOKEY. Stanley D. fG) 145 Pritchard An .. Corning, ~. Y. (Corning Glass \Vorks) . -STOOPS, Robert F. (RI) ::..:;: Carboloy Dept.. General Electric Co. Box 237, Roosevelt Park P. O. :\. Detroit 32. Mich. STOTLER, Chahner P. (W) .. 228 Winter St., Crooksville, Ohio (Crooksville China Co.) ),'-'-STOTT, A. E. . Edward Johns & Co., Ltd. .. Armitage, Xr. Rngeley Stafford, England STOl'T, Lester L. (5) Ohio State l'ni"ersitv Research Foundation' Columbus 10. Ohio STRADLEY, Xorman (Gil Minnesota ~Iining & ~lfg. Co. 367 Groye St.. St. Paul I, ~finn. STRAIGHT, Lee H. (51 Iowa Cla\' Products Co. Centenilie. la. STRAIX. R. E. <E) Alliance Ware. Ltd. Box 550. Vancotl\'er, B. C.. Cana:!a ".RATTO~, :'.Irs. "'. B. (0) Pewabic Pottery. 10125 Jeller<on -"\'e. .. Detroit 14. ~'!ich. . STRAl'SS, Simon W. fE) 3801 Connectin1\ AYe., :\. W .. :\pt. 247 Washinl(ton, D. C. I:\ational Bnreau of Standanls) STREATOR BRICK CO" DIV, HYDRAULICPRESS BRICK CO. I James R D. Stansfield) - Streator, Ill. STRI~IPLE. J. H. (Xl :\ational Lead Co .. Titanium Diy. Box 58. South Amboy, X. J. STRI:\GFELLo\\', Allen E. (:'.\) 50lC Highland Ave. Colling-swood ;. :\. ]. II.T.E. Circuit Breaker Co.) STROD, Arvid J. 1Ell Industrial :'.1 et,!ls. ImprO\'emen t Co. The Park Bldg.. Pittsburgh 22, I'a. STROXG. Kenneth B. I \\') 4J01 Hillsboro Circle :'\ash"ille 12, Tenn. (Titanium Alloy :'.lfg. Di, .. Xational Lead Co.) STROTT, ,-\dol J. (R) Kearfott Co .. Inc . Ceramic Dept. Little Falls. X. J. STROCD. Harold L (~I) 2'109 Belllhridge Rd .. Royal Oak. ~Iich. (Chaml)i~n Spark Plug Co.) STROl'P. Philip T. (R) Ah!minum Co. of America Box 772. :'\ew Kensing-ton. Pa. STROCPE. Howard E" Jr. ("'J) Wheeling Tile Co" Wheeling, \\'. Va. STRUCTURAL CLAY PRODUCTS INSTITUTE (Harry C. Plummer) 1520 18th St., ~. W. Washin!on 6, D. C. STRCEBI:\G, Harold J. (M) 1215 Military Rd., Buffalo 17, X. Y. (Pi~hard C. Remme)' Son Co.) STl'ART, Derald A. (B) Thurston Hall, Cornell Universitv Dept. of Engr. Mat" Ithaca, ~. y, STl'CKEY. Jasper L (X) Cniversity of Xorth Carolina Raleil(h Unit, Raleigh, ~. C. STeLL, John L. Box 41, .\lfred. :\. Y. STl'''TZ. Robert P. <R) Babcock & Wilcox Co. lOS S. LaSalle, Chicago 3, Ill. STUPAKOFF CERAMIC & MFG, DIV" CARBORUNDUM ;:0, (Semon H, Stupakoff) Latrobe. Pa. STCPAKOFF, Semon H. (w) Stupakoff Ceramic & Mfg. Di,.. Carborundum Co. Latrobe, Pa, STYER. Charles A. fB) II Roxbury Rd .. Forest Hills Pittsburgh 21, Pa. (Vesuvius Crucible Co.) ST"HR. Pvt. Ka"ten H .. Jr. (Wj) l'S 51296985. 9771 TSU Det. 3, Du'!way, Vtah Sl'BBARAO. Eleswarapu C. Di"ision of Ceramics Colleg-e of :'vlineral Industries Pennsyh'ania State Cniyersity State College. Pa. SCBRUIASL-\:'\, D. R. ~I /S Burn & Co. Ltd. Ranigunj, P. O. Dist. Bunh\an. India Sl'LLlVAK. Etll(ene C. (GF) Corning Glass \Vorks, Cornin~. X. Y. Sl'LLlVA:\. John D. I BF) Battelle !\Iemorial Institute 505 King AYe., Coln1l1hus I, Ohio Sl'LLlVAX. Joseph C. IG) .i8 Fulton St .. Cornin,::. :\. Y. (Corning Glass Works) SCLlI\'.-\);. Paul A. (GJll 624 Adeline Dr.. Webster. ~. Y. f Bausch & Lomh Optical Co.) SUMERBANK (Bulent Bukta,) :\nkara, Turkey Sl"~I:\IERS. E. \\'. (GI (h\ ens, Illinois (;.'neral Engr. Dept .. Alton. 111. S1:~1 PTER. Charles E. I R.I 18458 Roy St .. Lan,ing, 111. 1C. 5. Steel Corp I S1:-lRELL. Ferrall ~. 1 EI iOi Henry 51. lniondale. Hemp,:ead. :\. Y. I Han\\\'ick HilHlie. Inc.) 51':,\. K. H. IGFI 2131 Lintlsay Rd .. Pittshurgh 35, Pa. 1\\'e.<tinghou,e Electric Corp.) SlT\R Ceramic Instittnf Banrlung..1,,,a. lntl(>Ile,ia SUR ENAMEL & STAMPING WORKS. LTD, I ~l ~l. Sur I .: -l :-1 itldle Rd . Entally Cakutta 1-1. India SlR. ~l. ~l. Sur Enamel & Stampinj( \\'ork<, Ltd. ':4 ~Iiddle Rd. Emally Calcutta 1-1. India SlR.\IY.-\. Vallee 1.1 I 20 The:ltre Rd" CaL-utta 16. India (Lucky Clas- \\'orb 1 SURFACE COMBUSTION CORP. (Han'ey C \\'eller I 23i5 Dorr St. Toledo I, Ohio Sl'RFLEET, Harol.l Kaylene Lahoratories, \\'aterloo R.l. London, :\. \\'. 2. England (Kaylene I Chemicals) Ltd. I SlTHERL.-\XD. Clark lSI Robins~n Clay Product Co. 65 W. State St .. Akron 9, Ohio Sl'THERL\);D, Frank R <wn R R. 6. Box J 16.\, Kokomo, Inl!. I Hayne, Stellite Co. I Sl'TPHE:\. F. G. IX) 2605 Central .-\'e .. ~[iddletol\'n. Ohio SCTTO:\, Patll ~1. \G) Corning Glass \\'orks. Corning, ~. Y, Sl'TTO:\, Willard H. 214 W. Fairmont. State Collel(e, Pa. SlTTO:\. William H .. Jr. (G) Dayison Chemical Corp. 101 ~. Charles St .. Baltimore 3, ~Id. Sl'TTOX, \\'. ]. (Xl 24 Hil(h St ..-\Ifred. X. Y. <:\ew York State C"llege of Ceramic-) 5\'EC. J. J. (\\'1) 3440 S. Elldi,1 .\\e., Berwyn. Ill. Ilndustrial Pnhlications In~.) S\\'.\IX, Rich"rtl S. :\ash Hall. Campus Rd .. Toledo 6. Ohio SW.\ l\:, Stephen :'.1. I R FIl 3~03 Spangler Rd. C!eyeland Hei!l'ht< 12. Ohio (Xorth ..\merican Refractories Co.) S\\'.-\L:'.1. Phaon H, (\\') Box I i8. King;;ton. Ont.. Canada (Frontenac Floor & \\'all Tile Co .. Ltd.) SW,\X, S. D. (B) 52 Hazelton Dr.. White Plains, X. Y. (Consultant) c.S\\'E.-\RI:\GE:\, Jack (G) l'nited Can & Clas, Co. Box 90. Hayward. Calif. SWEELY, B. T. IEFI) Gate 12. Crystal Lake. Ill. S\\'EITZER. ~Iark (\\') 320 X. Euclid. Pasadena 4, Calif. (S. Paul \\'artl. Inc.) S\\'E:\SO:'\. George \Y. I~n ~rinne,ota ~Iining & ~[fg. Co 900 Fat''1uier .\ye .. St. Pall 1 C :-1 inn S\\'E:,\TZEL. John P, (R I R960 Hennepin .-\'e. Xia!!ara Falls. :\. Y. (Carhorundlll1l Co,) S\\EO. Benjamin J. (EF) Ferro Corp. 4150 E. 56th 51.. Cle\elal1tl 5, Ohi" S\\'ICKER. \'ictor C. IGF) <)0; Floral Dr .. \\'hittier. Calif. 1Consultant" S\\IFT. Ho\\artl R. I(~I Lihhey,Owen<-For" Glass Co. 1iOI F.. Broatl\\ay. Toletl" 5. Ohi" ROSTER\!) ,"" ~t ,rr.f~. ..",j- - - - - - -. . .--_.l!"!IS....._."'W.'lI!!JIlW..__llti..zIllL.a.,  S\Yll;.\RT. Joseph J. (~I' 3014 ~Iiddletown Rd., l'ittsburgh 4, Pa. (Vitro ~lfg. Co.) - SWINDELL BROTHERS, INC. l]. J. Jeffries) Bavard & Russell Sts. Baitimore 30, Md. SWINDELLDRESSLER CORP. (Philip Dressler) Box 1888 Pittshurgh 30, Pa. SWJXXERTOX, Bertram B. (\\') 21 Second Ave., Tiffin, Ohio I Ameriean Radiator & Standard Sanitary Corp.) SWIXXERTON, GeM~ R. (M) .15 E. State St ...-\lIiance, Ohio I Sales Representati\'e I SYLVANIA ELECTRIC PRODUCTS, INC. iB. S. Ellefson) 208-20 \\'illets Point Bh-d. Bayside. Long Island. N. Y. SYLVESTER, George R. (:-II) Syl\'ester & Co. Aurora Rd., Solon, Ohio SZYMASZEK, Jan Walter (R) 121 ~Iuir ..he. Niagara Falls, Ont., Canada (~Ietals Research Laboratories) T TAELER, David 215 Thompson St., New York 12, N. Y. TAILBY, Roland V. (WI) Stylon Corp., ~Iilford, ~fass. TAKAHASHI, Kakuichiro (F) Nippon Glass Co., Ltd. I, Ginza 7-chome, Chuo-Ku Tokyo, Japan TALBOT, Herbert W., Jr. (W) National Lead Co., 1376 River :'",e. Pittsburgh 12, Pa. TALWALKAR, T. W. 8 Bagmati Rd., Jamshedpur, India (Tata Iron & Steel Co., Ltd.) TANBERG, Ragnar Drammens Glassverk Drammen, Korwa)' TAO, Yung 3834 W. 117th St., Cleveland, Ohio TARNACKI, Walter J. (WI) 8417-C Loch Ra\'en Blvd. Towson 4, Md. (Friez Instrument Div., Bendix Aviation Corp.) TARNEY, Eugene G. (S) 3444 Ontario St., Columbus 11, Ohio (Harrop Ceramic Service Co.) TARNOPOL, Milton S. (G) 943 Ninth Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) TASHIRO, Megumi (G) Pennsylvania State l..'niYersity College of Mineral Industries State College, Pa. L\TE. Frank E. (WI) 310 Tenth St., Lincoln, III. (Stetson China Co.) TATDI. \\'illiam A. Box i87, Alfred, N. Y. TAl'BER, John A. eRl) 31110 ~Iaytlo\\'er Rd. Plymouth ~Ieeting. Pa. (E. J. Lavino & Co.) TAYLER. John B. (\n Louisville Pottery Co.. Inc. 228 E. Bloom, Louisville 8, Ky. TAYLOR. A. L. (X]) He:\llquarters AMC, Box 1794 \\'rig-ht Field, Dayton, Ohio TAYLOR, Albert J. (R) 106 Placer Lane, Oak Ridge, Tenn. (Oak Ridge National Lah.) TAYLOR, Charles D. (S) 219 Corriher .-\Ye.. Salisbury, N. C. I Taylor Clay Products, Inc.) 90 ROSTER T.\YLOR, Charles H., Jr. (Rl) 500 Camden Ave., Apt. AI ~Ioorestown, N. J. (R. C. Remme)' Son Co.) T.o,.YLOR, Fran (D) Gay Fad Studios, Lancaster, Ohio TAYLOR, Howard U. (WI) 310 Dardis Ave. Menomonee Falls, Wisc. (Globe- Union, Inc.) TAYLOR, J. ]. (W) Ohio Brass Co., Barberton, Ohio TAYLOR, Louis J. (W) Laboratory Equipment Corp., Box 352 St. Joseph, Mich. TAYLOR, Nelson W. (BF) Fluorochemicals Dept. :-Iinnesota ~Iining & :-Ifg. Co. 900 Fauquier Ave., St. Paul 6, ~Iinn. T-AYLOR, Robert B. (5', Structural Clay Products Research Foundation 20 N. Wacker Dr., Chicago 6, Ill. TAYLOR, SMITH & TAYLOR CO. (Charles R. Landback) Chester, W. Va. TAYLOR, Thomas J. (R) Sterner Mill Rd., R. R. 3 Langhorne, Pa. (R. C. Remmey Son Co.) TAYLOR, William C. (G) Corning Glass Works, Corning, N. Y. TEAGUE, A. D. (R) Box 923, Augusta, Ga. (Babcock & Wilcox Co.) TEAGUE, Jo M., Jr. (GIl Quality & Specifications Dept. Owens-Illinois Glass Co. Box 1035-1036, Toledo, Ohio TEETER, John N. (E) 677 Wilmot Rd., Deerfield, Ill. (Thomas C. Thompson Co.) TEETOR, Paul (SF) Central Commercial Co., Northfield, lll. TEFFT, Glenn C. (S) Claycraft So., Shawnee, Ohio TEFFT, Phillip W. (SI) Claycraft Co., Box 866 Columbus 16, Ohio TEFFT, Willard H. (S) Claycraft Co., Shawnee, Ohio TEGELLABORATORIET (Brick LabolRtory), (Christer Enberg) Drottning Kristinas vag 45 Stockholm 0, Sweden TENNANT. C., SONS & CO., OF NEW YORK (Wilbur S. Deming, Jr.) 100 Park Ave., New York 17, N. Y. TENNERY, Victor J. Findlay, Ill. TER~fAl\:, Mark J. (R) Babcock & WilCOX Co. 161 E. 42nd St.. Xew York 17, X. Y. TERNENT, James W .. Jr. (X]) 131 Rebecca St., Kittanning, Pa. (Eljer Co.) TERRY, Griffin E. (E) /ifJ2 E. Willow, Wheaton, lll. (Hotpoint Co.) TETRICK, James D. (SF) 1J02 E. Fourth St .. \'inton. Ia. (Vinton Lime & Rock Co.) THATCHER GLASS MFG. CO., INC. (Rov S. Arrandale) lQOi Granel Central Ave .. Elmira, X. Y. THEOB:\LD, Erwin F. (5) 1516-18th St., N. \\' .. Canton 3. Ohio !:-Ietropolitan Brick, Inc.) THEWS. Karl B. (E) 83-09 Talbot St. Ke\\' Gardens. L. 1.. X. Y. (Titanium Alloy :-Ifg. Di\., National Lead Co.) THIELKE, Norman R. (B\ National Carbon Co., Box 6087 Cleveland, Ohio THlE~IANN, John W. (WI) 2550 :-.l. 40th St., Milwaukee 10, Wisc. (Globe-Union Inc.) THIE~IE(KE. lIarn \\'. 1\\'1'1) Homer LauJ.:hlin c'hina Co. Newell, W. Va. THIESS, L. E. (\\'F) Locke Department, General Electric Co Box 5i, Baltimore 3, Md. THO~IAS, Charles A. G. E. J. & J. Pearson, Ltd., Firebrick Works, Stourbridge, Englanel THO~IAS, Charles \\'. I Honorary) Clifton House, Old Swinford Stourbri,dge, England (E. J. & ]. Pearson, Ltd., Firebrick Works) THO~IAS, David \\'. (WI) Stangl Pottery, Trenton, X. J. TIIO~IAS, Everett A. (X I 2703 Shaffer Ave .. Cincinnati 11, Ohio (Chas. Taylor Sons Co.) THO~IAS, H. H. (~1) 35 Highboy Court. Red Bank, N. J. (Pemco Corp.) THO~IAS, James W. Georgia Institute of Technology Ceramic Dept., Atlanta, Ga. THOMAS, Robert H. (B) 238 :hlington Rei .. Newton Falls, Ohio (Falls Welding & ~ffg. Co.) THOMPSEN, 2nd Lt. Robert S. \V.A.D.C. Gen. Delivery, Area B W.P.A.F.B., Dayton, Ohio THOMPSON, A. Paul (RF) Research Laboratories EaglePicher Co. Joplin, Mo. THOMPSON, Charles W. (R) 216 Dell St .. Johnstown, Pa. (Bethlehem Steel Co.) THOMPSON, Clyde L. (RFl) 4922 New Plymouth Rd. Pittsburgh 27, Pa. (Harbison-Walker Refractories Co.) THOMPSON, Franklin S. (W) 25 Schenck Ave., Matawan, X. J. (Atlantic Tile ~lfg. Co.) THOMPSON. Frederick S. (GF) Corhart Refractories Co., Inc. 1600 W. Lee St., Louisville 10, Ky. THOMPSON, G. L. Borax & Chemicals, Ltd. 229 High Holborn London, W. C. I, England THOMPSON, John D. (E) 2434 Evergreen Dr., Royal Oak, Mich. (Briggs Mfg. Co.) THmfPSON, M. W. (W) Hall China Co.. East Liverpool, Ohio THO~IPSON. Noel ~1. (R) 721 Shady Lane, Pittsburgh 34, Pa. (Lumnite Div.. Universal Atlas Cement Co.) THOMPSON. Orrin S.. Jr. Box BB, Alfred, N. Y. THOMPSOl\, Thomas E. (E) Box 252, Williams Bay, Wise. (Thomas C. Thompson Co., THOMPSON, Lt. William ~1.. Jr. r RJI) WADC, Area B, Box 8308 \\'right-Patterson AFB, Dayt"n. Ohio THO:-fSON. Homer G. (R) 12101 \\'. Howard St. ~Iilwaukee 14, \\isc. (Allen Bradley Co.', THO:-lSO"'. James K. I\\') 6 E. Jefferson Rd .. Pittsford. N. Y. THOR. :\Iurner E. (RI\ 318 Parkhurst BIn], BuffaI" 23. N. Y. (",orton Co.) THORLEY, J. Palin (D) Box 1143. Jamestown Rd. \\'illiamshnrg, \'a. (Palin Thorley Co.) THOR",E, James E. 50i E. Wilson St .. FaTI11\'ille. '" C. THOR",E, \'aughn ~1. American Ceramic Society 4053 N. High St .. Columhu< 14. Ohio THORNGATE. Bru~ W. (W\ Landgren. Box 236. R. R. 1 Tampa 4. Fla. CER.nnc Bl'LLETIN THORXTO~. George :\. (M) Ottawa Silica Co., Box 437 Ottawa, Ill. THORKTOK. Paul E. (WI) 4603 Lasheart Dr., La Canada, Calif. (Ferro Corp.) THORNTON, Richard ce, Alfred. ~. Y. HER, William R. (D) el Ceramics, Inc. in K. Main, Akron 10, Ohio THROPP, Herreid D. (W) Shenandoah Silica Co., Inc. 333 W. State St., Trenton 8, K. J. THROPP, Richard \\'. (W) Eureka Flint & Spar Co. 190 W. State St., Trenton 8, N. J. THUENER, E"erett E. (W) R. R. 6. Schenectady 3, N. Y. (General Electric Co.) THUR~Al"ER. Hans (BFI) 1811 Hixson Pike Chattanooga 5, Tenn. (American La"a Co.) THUT, Walter W. A. G. Hunziker & Cie, Lagerstrasse 1 Z\'rich, Switzerland TIBBALS, Harvey L. (MI) 2374 Hilgard A'e., Berkeley 9, Calif. (Minneapolis- Honeywell) TICKLE, William H. F. "Brown Stacks," Caldy Nr. West Kirby, Cheshire, England (Manchester College of Technology) TIEDE, Ralph L. ( G ) . Owens-Corning Fiberglas Corp. Case Ave., Newark, Ohio TIFTICK]IAN, John D. (W) Winburn Tile Mfg. Co. 1709 E. Ninth St., Little Rock, Ark. TILLOTSON. Clifford (R) Tillotson Refractories Co, Box 398, Corona, Calif. TILLOTSON, E. Ward (GF) Mellon Institute. 4400 Fifth Ave. ttshurlth 13, Pa. RLAKE. John J. (G) orter-Teichmann Co. 1210 Clark Bld!t.. Pittsburgh 22. Pa. TINKER. Dean (M) Granville. Ohio (Ohio Kilns. Inc.) TINKLEPAl"GH. J. R. (RI) Air Force Project Kew York State College of Ceramics Alfred, N. Y. TIPPING, J. United Gla<s Bottle Mfgrs., Ltd. 8 Leicester St. London, W. C. 2. England TIPPS. A. H. (M) American La"a Corp.. Cheroke Bhd. Chattanooga. Tenn. TITANIUM ALLOY MFG, DIV.. NATIONAL LEAD CO, (W. J. Baldwin) Box C, Bridge Station Niagara Falls, N. Y. TITt'S, Henry B. (R) Korth :\merican Refractories Co. 50 Church St .. New York 7, N. Y. TOBERG, John (E) Shepherd Chemical Co. 2803 Hil<'hland Ave. Cincinnati 12, Ohio TOBEY, Henry M. (S) Dow Chemical Co.. Midland, Mich. TODD, Edwin R. (\\') 2425 Vail :he .. Apt. 21-A Charlotte. N. e. (Hoge-\\-arren-Zimmerman Co.) TODD. Henry (~{) Dee Lane. Quecnston. Ont., Canada (Canadian Ohio Brass Co.) _ R. Herbert R. (EI) . R. 2, Box 544, West Chicago, Ill. (American Steel Treating Co.) TOM. Elgin M. (G) 4208 Marlaine Dr .. Toledo 6, Ohio (Kimble Glass Co.) VOL. :~:~, :\0. 10 (HI.,)4) TO:o.IASEK, A. J. lR) Walsh Refractories Corp. 101 Ferry St., St. Louis i, Mo. TO~IKIl\S, David E. (R) R. R. 5, Eastbrook Rd., ~ew Castle, Pa. (Shenango China, Inc.) TOOL, Arthur Q. (GF)i325 Carroll Ave. Takoma Park 12, :o.ld. TOOLEY, F. V. (GF) 611 W. Oregon, L'rbana, Ill. <University of lIlinois) TOOMEY, James E. iR) Kaiser Aluminum & Chemical Corp. 1625 Eye St., N. \\'., Room 913 "'ashington 6. D. C. TOPPING, John (RI Vnited States Steel Corp. Pittsburgh. Pa TORGAL, K. G. 1/108, Mannarpuram Tiruchirapalli. S. I~dia (Jamal Mohamed College) TORNO, Ralph F. IE) 369 Front St.. No. 1. Berea, Ohio (McGean Chemical Co.) TOROK. Julius J. (G) 934 Second St., Beaver, Pa. (Consultant) TOSTEVIN, Edgar R. (W]I) R. R. Bogtown Rd. Purdy Station, K. Y. TOULOUSE, Julian H. (Gl) 1817 Potomac Dr.. Toledo 7, Ohio (Owens-Il1inois Glass Co.) TOWNSEND. William O. (GI) Box 83, Gilboa, Ohio (Sylvania Electric Products, Inc.) TRABERT, Loren A. (WI) 1024 Dodge St., Lake Geneva, Wise. (Pickard, Inc.) TREDE?\XICK, William T. (RI) Refractory Specialties Co. 2200 Washington Ave. Philadelphia 46, Pa . TREISCHEL. e. e. (WFI) R. T. Vanderbilt Co., 230 Park Ave. ~e\\' York 17. ?\. Y. TRENTON POTTERIES CO. Plants 1 & 2, 309 :\. Clinton A"e. Box 141. Trenton, N. J. TREPTOW, Arnold W. (E) Bell Telephone Labs. ~furray Hill, N. J. TREVOR. John F. ~foira Rd., Woodville Xr. Burton-on-Trent. England (John Knowles & Co .. Ltd.) TRIBE, Harold G. Electricity Meter & Allied Industries, Ltd. Box 4. Waterloo, Sydney, Australia TRINIDAD CLAY PRODUCTS, LTD, (Harold A. Eckel) 44. South Quay Port of Spain, Trinidad, B. W. 1. TRI?\KLEIX, Robert L. (W) Box 722. Santa Anna, Texas (Santa Anna Tile Co.) TRIPP, Harlan P. (RI) 1966 Langham Rd., Columbus 12. Ohio (Battelle Memorial Institute) TRO~fPETER. Bernard ,T. (W) Champion Spark Plug Co. 8525 Butler Ave., Detroit 11, ~1ich. TROSTEL, L. J. (RFI) General Refractories Co., Box 1673 Baltimore 3, Md. TROSTEL, Louis J .. Jr. (1) Apt. 1, 1801 K. Fourth St. Columbus 1. Ohio TROY. H. Neal (RJI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio TROY. Walter J. (E) 888 Chili Ave., Rochester, ~. Y. (Pfaudler Co.) TRl'ESDALE. Richard S. Box J-3, Alfred. N. Y. TSE, Shou-cheng (XJ) Box 445, Station A East Liverpool, Ohio I Louthan :o.lfg. Co. I TeCKER, Donald J. (~II) Brentwood :o.lanor, Winthrop Rd, Huntingdon Valley. Pa. (Precision Grinding \Vhecl Co.) Tl'CKER. Edward F. \ S i Stebbin, Engineering & :o.Ifg. Co. \\. atertown. ~. Y. TL'CKER, Haney e. (\\'1) Ferro Corp .. 41 SO E. 56th St. Cleveland, Ohio TeCKER, Roland E. (\\'1 I Trenton Potterit; Co.. Trenton, N. J. T1..TNAIL. Howard R. Steel Co. of Wales, Ltd .. Box 9 Port Talbot. Glam .. England Tl'XG. Chi Fang (El 412 :o.lorewood Ave., Pittshurgh 13, Pa. (0. Hommel CO.'I T1..'RBETT. Paul E. OIl i 1127 Chickasaw Dr.. Paris, Tenn. (H. e. Spinks Clay Co., Inc.) T1..!RCK. Raymond L. (R) 906 N. Highland, Dearborn, Mich. (Peninsular Grinding Wheel Co.) TVRISSINI, Rohert (JG I Glass Tech. Dept .. Corning Glass "'orks CorninR. ~. Y. T1...'RK. Richard H. (EFT) Pemco Corp.. 5601 Eastern Ave. Baltimore 24, ~Id. TCRNB1..'LL. Edward D. (W) 500 Penn Ave .. Scranton 3, Pa. (Euston Lead Co., Div. Glidden Co.) T1...'RNBl'LL, John e. (G) Radio Corp. of America RCA,Victor Di,'.. Lancaster, Pa. TURKER, A. A. (R) 153 Lake Ave .. ~Ietuchen, N. J. (Carborundum Co.) TURNER, Donald Messrs. Lodge Plugs, Ltd. Rugby, EnRland T1..!RNER. ~Iort D. (BD 141 i .-\ddison St .. Berkeley 2, Calif. (State Division of :0.1 ines) T1..'RKER, P. P., Jr. (RI) Thompson Products, Inc. 23555 Euclid A\'C .. Cle"eland 17, Ohio Tl'R?\ER, Robert C. (SI) 2552 Wilson A'e., Bellmore, N. Y. (Strnctural Clay Products Institute) Tl'RNER. \Y. E. S. (Honorary) 30 \\'hitworth Rd .. Ranmoor Sheffield 10, England Tt'TTLE, Georll'e K. (E) Benjamin Electric Mfg. Co. Des Plaines. III. T1..'TTLE, ~Iilton A. (E) Box 981. Alfred, N. Y. (Xew York State College of Ceramics) T\\-ELLS. Rohert (WFD Electric Auto-Lite Co., Spark Plu ... Div .. Box 231 Fostoria. Ohio T\\-ELI.S. Rohert G. (Gn) 528 Isahella Ave.. Lock 4, Pa. iCornin ... Glass \\'orks) TWYFORDS. LTD. Cliffe Vale Potteries Stoke-on-Trent. England TYGART VA.LLEY GLASS CO. (E. A. Hinkins) Box 503 \\'ashinll'ton, Pa. TYLER W. S.. CO. (e. E. Jenks) .1615 Superior .'.ve., N, E. Cle"eland 14, Ohio TYSINGER. Ted W. (S) 403 S. Harl[ra\'e St .. Lexington, ~. C. (Cunningham Brick Co.) u 1..'., Camilo Valencia ~l. :0.1. Contreras 50,J ~Iexico 4 D. F., ~Iexico ROSTER 93 VUKOVICH. ;"liJan. Jr. l~l1) Godfre)' L. Cabot, Inc. Research & Development Dept. 38 )lemorial Dr., Cambridge 42, ;"[a,,'. ew GO:\ER, Jack H. (G) _40 Quentin Rd., X" Xewark, Ohio i Fiber Glass Div" Pittsburgh Plate Glass Co.) WAGXER, Bruce F. (\Y.I 186 X. Vernon AYe., Pasadena 3, Calii. (B. F. \Yagn"r & Co.) WAG:\ER, Rio B. (D) 1398 Brice Rd" Reynoldsburg, Ohio (Perma Flex ;"!old Co.) WAHL, Albert J. (\\') A. J. \Yahl, Inc., 8 Central Ave. Brocton. X. Y. WAHLGREX. \Vald A. B. Gustavsbergs Fabriker Gustavsberg. Sweden WAIXER, Eugene (VI) Horizons, Inc., 2891 E. 79th St. Cleveland, Ohio WAITE, Virgil H. (E) 433 Beech St., Berea, Ohio (McGean Chemical Co.) WAKEFIELD. Richard E. B. (M) Shallcross ;"Hg. Co., Collingdale, Pa. WAKELY, Wilbur T. (Gn 7 Prospect, Warren, Pa. .",' (Sylvania Electric Products, Inc.) . WALDEN, Albert S. (R) National Carhon Co., Cleveland, Ohio .. W ALDHAUER, William O. ". . Odorless Cleaners, Milledgeville, Ga. ..'; WALKER, A. M. . . Australian Tesselated Tile Co. Mitcham, Victoria, Australia . WALKER, Eugene E. (W) 220 W. Sheridan Ave., New Castle. Pa. (Universal-Rundle Corp.) LKER. Henry E. (G) Harding Glass Co., Fort Smith..\rk. LKER, Herbert M. (W) Walker China Co" Solon Rd. Bedford. Ohio WALKER. John Morgan Crucible Co., Ltd. Battersea ChuTl'h Rd. London, S. W. II. England WALKER. Raymond F. (B) 2740 Porter St., K W. 8 WashinRton, D. C. (National Bureau of Stanrlards) WALKER, Warren W. (R) 29 Laurel PI .. Upper Montclair, X. J. (Graphite Metallizing Corp.) WALKUP, D. H. (W) Kilgore Ceramics Corp., Box 1619 Kilgore, Texas WALLA, Max R. (W) Box 1369. Little Rock, Ark. (Winhurn Tile Mfg. Co.) WALLACE. Arthur (W) 303 A Houston St. Chattanooga 3. Tenn. (American Lava Corp.) WALLACE. Curtis C. (G) Electric Storage Battery Co. Box 5723. Philadelphia 20, Pa. WALLACE. Paul F. (B) 76 \Yard Park Rd" Grand Island. X. Y. (Carborundum Co.) WALSH, Donald E. (\\') Consolidated Feldspar Dept., International Minerals & Chemical Corp. East Liverpool. Ohio WALSH REFRACTORIES COPP. e (A. J. Toma<ek) 101 Ferry St. St. Louis 7. ~!o. !\LTON. Jesse D., Jr. (E) 4835 Durden Dr., Apt. 3 Chamblee. Ga. (Engr. Expt. Sta. Georgia Institute of Technology) WALTON, S. F. rRFT) Exolon Co.. Tonawanda, N. Y. VOL. 33, No. 10 (1954) \\'.\L\\ORTH, Ch6ter A. lG) LibhevOwens-Ford Glass Co. Box ~278, Charleston 4, \V. Va. 'l':.\:I[BOLD, Jack (B) 325 E. Palisades Blvd. Palisades Park, ~. J. (Wright Aeronautical Div., Curtiss\Yright Corp.) \\.\;"[PLER, Roy VI. (Gl Libbey-Owens-Ford Glass (0. Technical Bldg., 1701 E. Broalh\-ay Toledo 5, Ohio \\AXG. Franklin F. Y. 405 X. Gregory' St., 1..' rbana. lll. \\.\:\GEU:\, H. P. (\Y) l'ni"ersal-Rundle Cor". 3305 \Y. Forest Home Au. ~lilwaukee 15, \\isc. \,"-\RD, George \\'. (S) GustinRacon ~[fg. Cl'. 210 W. Tenth S~., Kalbas (ity, ~lr, \\" ARD, John F. (R) Johns-~lall\'i1Ie, 22 E. 40th St., Xew York 16. ?\. Y. \\'ARD, K. E. (~!) t nited Clay;"! ines Corp. Oakland & Prospect Sts. Trenton 6, K J. \\'ARD, )!rs. S. Paul (M) 601 ;"!ission St., South Pasadena, Calif. eS. Paul Ward, Inc.) \\'.-\RDE, John M. (R) 22 Outer Dr., Oak Ridge, Tenn. (Oak Ridge National Laboratory) \\'.-\RFIELD, Robert A. (G) 2460 E. Livingston A,e. Columbus 9, Ohio (Federal Glass Co.) \\'AR~ER, Maurice F. (X) 934 ~1ichigan Ave., Evanston, Ill. (Sierra Talc & Clay Co.) \\'ARRE~, George (E1) Pfaudler Co., Research Laboratory 1000 West Ave., Rochester 3, N. Y. \\'.-\RSHAW, Israel (B) Glass Research Div. Pittsburgh Plate Glass Co. Creighton, Pa. \\'ARYGA, Casimer F. (R) H2 E. Ashdale. Philadelphia 20, Pa. (Refractories Corp. of America) \\,ASHABAlTGH, Grover C.. Jr. (M) :\ew Castle Ref ractories Co. ~ew Castle, Pa. WASHINGTON BRICK CO. (John R. Clark. Jr.) Muirkirk, )ld. WASHINGTON PORCELAIN CO. (E. R. Miller) Willow St. Washington, N. J. WASMANN, Russell K. (R) Laclede-Christy Co.. 391 Sutter San Francisco 8, Calif. \\' ATERS, Martin R. (WI) 28 Sweetbriar Lane, Levittown. Pa. (\\'enczel Tile Co.) WATKIN, Robert W. (W) 2507 St. Clair Ave. East Liverpool, Ohio (Edwin M. Knowles China Co.) \\'ATKI:-IS, Charles Box J-3. Alfred, N. Y. WATKI:-IS. George B. (G) Lihbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo, Ohio \\'ATKl:\S. Ray T. (5) C. S. Tariff Commission, Ceramic Di,. Washington. D. C. WATKI~S, William E. (MI) 6363 .-\lderwood Dr., Cleveland 30. Ohio (Allied Engineering Co.) \\'ATKIXS, W. J. (M) Kentucky Clay Mining Co. ;"faytield. Ky. WATSON. George F. (R) American Brake Shoe Co. ~!etallurgical Lab., Mahwah. ~. J. \\ATSO:\. James ~I. (XJI Box 178. Farmville, Va. WATT. Charles 4731 21st, ~. E., Seattle 5. Wash. \\.\TT, Loren 1\\") Watt Pottery Co. Crooksville. Ohio WATT POTTERY CO. (Loren Watt) Crooksville. Ohio \\'ATTS, Arthur P. (R) .\ ( Spark Plug Di,., General ;"Iotors Corp., Dept. 3103 Flint, ;..[ ich. WATTS, Arthur S. (Honorary, WFI I Lord Hall. Ohio State Cniversity Columbus 10, Obio \\'.-\XLER, Roy ,\1. (GJ :\ational Bureau of Standards Van :\ess & Connecticut Ave. \\'ashington. D. C. WEATO:", Ralph L. (G) 51. Joseph Lead Co. of Pa. Zinc Smelting Div., )[onaca, Pa. \YEAVER. Don S. Box 787, Alfred. X. Y. \\'EAVER, F. L. (R) \Veaver ;"[aterial Service, Gokey Bldg. Jamestown, X. Y. WEAVER, Harold L. (G) 303 Chestnut St., Port Allegany, Pa. I Pittsburgh Corning Corp.) \\'EAVER, R. A. (EF) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio WEBBER, John J. (R) 138 Meadowbrook Dr. Pittsburgh H, Pa. (Harbison-Walker Refractories Co.) WEBER, Bertbold C. (W) 3833 Saranac Dr., Dayton 9, Ohio (Aeronautical Research Laboratory) \\'EBER, Don A. (5) Deister Concentrator Co. 901 Glasgow Ave., Fort Wayne, Ind. \\'EBER, Kenneth E. (M) 25 H Thayer St., Evanston, Ill. (0. Hommel Co.) WEBSTER, Charles E. (RI) 311 E. Beaver St., Zelienople. Pa. (Lava-Crucible-Refractories Co.) \\'EBSTER, David (5) Polrchemicals Div. West Virginia Pulp & Paper Co. Box 832, Charleston, S. C. WEBSTER. Paul A. (G) Mora"ia Rd., Avon, Conn. (Hartford-Empire Div., Emhart ;"!fg. Co.) \VEDDELL. George G. (W) Geotic Industries, Inc. 515 S. ~!ain St., Pittsburgh 20, Pa. WEHTJE. Ernst J. Box 269, ~[almo I, Sweden (AB Ifoverken & Skanska Cement) WEHTJE, Karl Fredrik AI B Rorstrands Porslinsfabriker Lidkoping, Sweden WEIDEL. Robert A. (G) 497 Apple Orchard Lane Webster. X. Y. (Bausch & Lomb Optical Co.) \\'EIDE:\BACM, Sherman S. (G) 154 W. Third St., Corning, N. Y. (Corning Glass Works) WEIDMA~, Y. Wesley (R) 201 Duncan Ave .. Wilmington 3, Del. (E. 1. du Pont de Nemours & Co., Inc.) WEIGEL. Robert C. (R) 820 Woodlawn, )[exico. ~Io. (Mexico Refractories Co.) WElL. Edgar H. (E) Vitreous Steel Products Co. Box 3991. Cleveland 20, Ohio WElL, Kurt E. Quimica Industrial Barra Do Pirai Rua Jose Bonifacio 250, 11 Andar Sao Paulo, Brazil WEINER. George H. (W) Deena Products Co., 825 S. Wahash Ave., Chicago, Ill. WEINFl'RTNER, E. M. (R) North American Refractories Co. National City E. Sixth Bldg. Cleveland 14, Ohio ROSTER 97 11 1 ~ WEIXSTEIt', Alex (G) 200 ~. Water St., Peekskill, K. Y. (EdnaLite Optical Co., Inc.) WEI:\TRITT, Donald J. (B) 5122 Pine St., Bellaire, Texas (Baroid Diy., "'ational Lead Co.) WEISE. Robert L. (G) E. Second St., Logan, Ohio neral Electric Co.) .. ER. Rosabel Y. (\\') 253 S. Brady St., DuBois, Pa. (Jeffers Electronics Di,.) WEISKE, Ino 151) Box 353, :II i%ion. Texas (\'alley Brick & Tile Co.) WEISS. E. Joseph (BI) Dept of Ceramic Engineering l'ni"ersity of Texas, Austin, Texas WEISS. W. Russell (R) \\' ellsville. :110. I\\'ell"'ille Fire Brick Co.) WEISS:lIA:\K, Theodore S. (R) 2<)8 Red :llaple Dr., S., Levittown, ~. Y. (Sylvania Electric Corp.) WEISZ. Rohert S. (B) RCA Laboratories. Princeton, ~. J. WELCH. A. Philip (BI) 912 Grand Ave., Ames, lao (Iowa State College) WELCH. James S. American Ceramic Society 4057 K High St., Columbus 14, Ohio WELCH, Richard L. (R) Dominion Firebrick & Clay Products, Ltd. Claybank, Sask., Canada'WELDI~. Thomas D. (R) E. l. du Pont de Xemours & Co. Inc. 5215 Kennedy Ave" East Chicago, Ind. WELLER, Harvey C. (G) Surface Combustion Corp. 2375 Dorr St .. Toledo 1, Ohio WELLI!\G, Charles E. (R) Ford Motor Co., Scientific Lab. Engr. Staff, Box 2053, M B Station Dearborn, Mich. LS. A. A. (WF) Homer Laughlin China Co. '\ewell. W. Va, WELLS. J. ~l. (\\') Homer Langhlin China Co. ~ewell. W. Va WELLS. RaJph G. (B) l'nited States Steel Corp. 234 Atwood St., Pittsburgh 13, Pa. WELSHA~S. L. T. (R) Diamond Alkali Co., Painesville. Ohi" WELTERLE~. James D. (MJ) 4630 Zane St., Los Angeles 32. Calii. (Gladding. McBean & Co.) WE:\CZEL, C. (W) Wenczel Tile Co., Box 908 Trenton, ~. J. WENCZEL TILE CO. (c. Wenczel) B,.,. <)08, Trenton, N. J. WE:\DT. Nelson E. (W) American Potash & Chemical Corp 5<)5 Foch Blvd., Williston Park. ~. Y. \\E\"GER. A. H. C. :llessrs. \\'engers Ltd. Etruria. Stoke,on,Trent, Engobn,l \\'E:\:\I~G. W. F. (El Ceramic Color & Chemical :IIig'. C" Bnx 2<)7. :\ew Brighton, Pa. \\T \'TZ. B. B. I S I Belden Brick Cn. iOO W. Tuscarawas St .. Canton 1. Ohi" \\TR:\ER. Alan JIG) 15<) \Vatauga Ave., Corning. X. Y. (Corning Glass Works) WEST. Frank Haslemere Greenlane Buxtnn. Derhy, England I Derhyshire Silica Fire Brick Cu.) ST. Howard F. (R) 1400 Caton A\e .. Joliet. Ill. (Illinois Cla~' f'-",luct, Cn.) \\EST. Richartl R. (8) Bnx 4Q .l . .\fire,\. :\ Y. I ~ n\ Yo~k ~tai:t: Collt"~t" of Cl:ramir, I \' Ul.. :n, :-';0. 10 (1 !).')-l) WEST VIRGINIA BRICK CO. (Claude F. 'A'iseman) Charleston. W. Va. \\';:STBROOK. J. H. (BI General Electric Co., Rm 324 Research Laboratory, The Knolls Schenectady, :\. Y,. WESTERN BRICK CO. (1. R. Cline I Dam'ille, Ill. WESTERN CLAY MFG, CO, (A. C. Bray 1 Box I i6. Helena. ~Iont. WESTERN ELECTRIC CO .. INC, IJ, \\'. Scotti ,640 Hawthorne S:ati,,:; Chica!!" 23, 111 WESTERN ELECTRIC CO .. INC. 1\\'. J. ~""tt) 2525 Sh3,leland A\e. lndianapoli, A. In,!. WESTERN FELDSPAR MILLING CO. IJ. \\'. :llal(m"Onl Bnx 6il 5al;'b, Co1(1. \\'E51"F.\I.L. Emmett' :I!. Box 126 ...\\fred. :\. Y. WESTINGHOUSE ELECTRIC CORP, IJohn D. Harnish. Jr.) Derry, Pa. \\'E5TL\KE. C. Roger, 1\\') Box 454, .\ntioch, II\. (Pickard Inc.) \\'ESnl:\~. A. E. R. (RF) Dept. of Chemistry Ontario Research Foundation 43 Queen's Park Crescent Toronto 5, Ont., Canada \\'ESTMO:-\T, 0, B. (R) Johns,:llanville Products Corp. Lompoc, Calif. \\'ESTO:\, Ralph H. (51) ..\rketex Ceramic Corp .. Brazil. Ind. \\,EYL. "'oldemar A. (GF) Dept. of !l1 ineral Technology Pennsyh'3nia State Cniyersity Stat", 'College. 1'a. .. \\'H:\LE:\, Thomas J. R. R. 1, State College, Pa. WHEELER, D. D. (W) Titanium Alloy Mfg. Div. 111 Broadway. :\ew York 6, :\. Y. \\'HEELER, \\'iI1iam H. (:III) Box 57, Chesterton, Ind. (Gary Steel Works-Cnited State, Steel Corp.) WHEELING STEEL CORP. I Ernest B. Snyder) Steubenville South Plant Steubenville, Ohio \\'HERRY, Allen P. I EJ I 9652 Oakdale Rd .. Parma 20. Qhi" I Hunter-Thomas A"oc.) \\'H lCHER, William C. 224 Ash, Ames, Ia. \\'HIT.\CRE, D. D. IRl 'Whitacre-Greer Fireproofing' Co. v. . ayne,burg. Ohio WHITACREGREER FIREPROOFING CO. I D. D. Whitacre) Waynesburg, Ohio \\'HITACRE, :llaxwell L. (~[) Carborundum Co .. Buffalo Aw. :\iag-ara Falb, :\. Y. \\'HIT:\KER, Fred A. (W1'I 64 Linden ;\\-e .. :lletuchen, X. J. I General Ceramics Corp I WHIT,\KER. H. Ru,tless I ron Cn .. Ltd. Trico Works. Kei!!hle~. Enl(lan,l WHITAKER. L R. (SFI I Carolina Ceramic,. Inc .. R. R. 3 Columbia, S. C. WHITE, Frank L. IG) 15117 E. Vernor Hil(hway, .\pl. II Gro"e Pointe Park 30. :llich. I Ford Motor Co.) \VHITE, Georl(e D. (R) Box 4i4, .'iorris, Tenn. (Carbide & Carhon Chemical Co 1 WHITE, Harold E. (RFI) R. R. 6. "Windy Knoll." Butler. Pa. I La\'a Crucihle Refractor;", Co , WHITE, J. F. (G) 9208 Adelaide Rd., Bethesua 14, :lId. (C. S. GO\'ernment I \\'HJTE. Ionathan S. (\\') 1302 Singer PI.. Wilkinsburg Pitt,burgh 21, Pa. I Stupakoif Ceramic & :II ig'. Co.) Di\. Carhorundum Co.) \\HITE. O':llara I GI 6~2 Fairmont .\ ve., \\-e'tt1eld, :\. J. I Carborundum Co. I \\. H fTEHE.\ D. :llerlin H. (E) Columbian Enameling & Stamping Co. Terre Haute. In<l \\HJTESELL. Lysle E. (R) \\'ell,ville. :110 I \\,db\'ille Fire Brick Co.) \\'HITFIELD, Robert E. (R) Cha,. Taylor Son- Co .. Box 58 .\nnex Station. Cincinnati 14, Ohio \\'HITFORD. \\'illiam G. (DF) Box 31'. Olympia Field,. Ill. (l'ni\'er,ity of Chicago) \\HIT:\EY. Eugene H. IR) Gla,I<ling. :llcBean & Co. <)45 Elliott Ave., \\' .. Seattle 99, Wash. \\'HIT:\EY, John B. lEI 17426 Xorton ,\ye.. Lakewood 7, Ohio (Ferro Corp.) WHITTAKER, Clyde M. (W) Box 960, !\ew Castle, Pa. (l"niversal-Rundle Corp.) WHITTAKER, G. Ward (W) 28 ~Ieade Rd., Ambler, Pa. (lTni"ersal-Rundle Corp.) \\'HITTAKER, Harry (Gl American Rock Wool Corp. South Plainfield, "'. J. \\'HITTEMORE. J. W. (SFI) Virginia Polytechnic Institute Blacksburg, Virginia WHITTEMORE, O. J. (S) Vincent Clay Products Co" Box 603 Fort Dodge, Ia. WHITTEMORE, O. J., Jr, (RI) ~orton Co., 'A'orcest",r 6, Mass. WHITTEMORE, Russell G. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. WICKS, John Simison I"') 333 :\ew Lenox Rd.. Pittsfield. Mass. I General Electric Co. I \\'10:11.\:\:\, R. Y. Institut de Cerami,!ue Francaise 6 Grande Rue Senes, Seine Oise, France \\'lKER, Richard :II. (G) 206 Rand ,\ye.. Painted Post, 1\. Y, (Corning Glass Works) WJLA:\SKY, Harold (G) 6i Sterling St., Corninl(, ~. Y, <Coming Glass Works> WILCOX, Herman G. I R) 800 Ross A\'e., Pittsburgh 21, Pa. I Harbi,on-Walker Refractories Co.) WILCOX, Jame' W. (5) Alliance Clay Product Co. Alliance, Ohio WILD, William .\. P. Albion Clay Co .. Ltd.. Woo,h-ille :\r. Burton,on,Trent, England WILDER, Da\'id R. (Bn 1212 S. Third St., Ames, Ia. (Ames LaLoratory-Atomic Energy Commission) \\'LHEDI, William J. .118 Centre St., East Mauch Chunk, Pa. WILKE, William P., III (G) Hammond Lead Products, Inc. 5.!31 Hohman Ave., Box 912 Hammond, Ind. WILKES. Gordon B. (RF) Box 131, East Orleans, Mass. WILKI:\S, E. D. Kaiser Bauxite Co, Spur Tr",e, Jamaica, B. W. 1. WILKI:\S. Ian Hugh (En 27 Prince Charles Dr. Oahille. Ont.. Canada (Ferro Enamel, (Cana,la) Ltd.) ROSTER !)9 JI WILLE~lS. H. \Y. Y. lGI 1513 Pacific :"'e., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) WILLIA~DIEE. G. Darby (R) R. R. 6. York. Pa. (J. E. Baker Co 'j WILLIA~lS, .-\lan B. (RI) 20 ~lontc SanD Ave., Augusta, Ga. Babcock & \\' iJcox Co.l LI:UIS. Arthur E. (Gl 1214 Eighth St .. ~Ioundsville, \\'. \"a. (Fostoria Glass Co. I WILLL-\~1 S. Charb I EJ) 8321 14th An., Apt. 102 Hyattsville. ~Id. (:\ational Bureau of Standards) WILLLU1S, Clyde (RF) Battelle ~lemorial Institute 505 King AYe .. Columbus 1, Ohio WILL1.-\~IS. Francis J. DI) Baroid Sales Di, .. Xational Lead Co. Box 1675. Houston 1, Texas WILLI.-\~IS. Gordon R. (X) Box 186, Florence. Ala. (Stylon Southern Corp.) WILLIA!llS, Harry ~1. (W) Locke Dept .. General Electric Co. Charles & Cromwell Sts., Baltimore, ~Id. WILLIA!llS. John A. (W) Box 250. Trenton 2, N. J. (Mitchell-Bissell Co.) WILLIA!llS, John C. (W) Franklin ~Ianor. Apt. 3-J2 Morristown. ?\. J. (Bell Telephone Labs) WILLI:\!IfS. Leroy L., Jr. (EJI) 1143 CO"ert Ave., Apt. B-S Evansville, Ind. (Seeger Refrigerator Co.) '. WILLIAMS. Lloyd D. (G) Corning Glass Works, Danville, Ky. . WILLIAMS, Robert A., Jr. (W) American Encaustic Tiling Co., Inc. Xinth 5t. & Kenilworth Ave. Lansdale, Pa. LIAMS. Robert B. (W) 107 Westwood Ave. Chattanooga. Tenn. (American Lava Corp.) WILLLUIS, Robert M, (RI) 5809 Royal Oak Ave., Baltimore, !lId. (General Refractories Co.) WILLIA~IS, Walter E. (M!) Xew Castle Refractories Co. Xew Castle, Pa. WILLIS. James B. (E) 1355 Crofton Rd., Baltimore 12. ~Id. (Pemco Corp.) WILLMORE, Tracy A. (R) 1118 W. Illinois St., Urbana, III. (l:niversity of Illinois) WILUfS, Albert E. (M) 476 Parker A,e .. Hackensack, K. J. (Whittaker. Clark & Daniels, Inc.) WILLS, Robert E. (R) Box 220, Coal City, II1inois (Illinois Clay Products) WILLSON PRODUCTS, INC. I Thoma- A. \\'illson) Box 622 Readin/(. Fa. \\'1I.I.S0X, Thomas A. (G) \\'illson Products. Inc., Box 622 Reading. Pa. WILSOX. Calvin 5. I G) Libbev Glass Di,. Owen:,-Illinois (;las5 Co. Toledo I, Ohio WILSOX. Charles L. (5) 217 X. ~Ieridian St., Brazil, Ind. (.-\m-:rican Vitrified Products Co.) WIL50X. George (R) 131 Edison An .. Xew Castle, Pa. (xew Castle Refractories Co.) SOX, Hugh H., Jr. Clemson College. Olin Hall Clemson. S. C. \\"11.50:\. John R. 42, Xew York .he.. Clairton, Pa. VOL. :;:~, :'\1). 10 (19,")4) \\'1 LSO:\, ~Iaurice S. IRl Spring Lake Rd., Wallingfonl. Conn. (American Refractories & Crucible Corp.) \\"ILSOX, Ray H. Shaw AF Base, Box 106. Sumter, S. C. WILSO:\, Robert Charles (WI I Glendale ~Ianor Apts., Apt. 4.-\ Pleasant,ille. X. J. (Lenox. Inc.) \\'1 LSOX , Roger E. (R) Box 958, Alfred, X. Y. (Air Force Project, Alfred l'ni"er,;ityl WI:\ Bl'RX, H. L.- (S) Box 1360, Little Rock..-\rk. (\\';nbuftl Tile ~Ifg. Col \\'lXCHELL, Richard (R) 16 A Glenwood Ave. Jersey City 6, :\. J. (Seaboard Refractories Co I \\'IXDISCH, Robert P. (DI Rosnille Pottery. Inc. Zanesville. Ohio \\'I"E~IILLER, William F. I R J 11 Ardmore Road, Worcester 9. ~la". I Xorton Co.) WIXKEL, ~1. Lee (S) Champion Brick Co. 7600 Pulaski Highway Baltimore 6, ~ld. WIXSHIP, Lee C. (G) Syh'ania Electric Products. Inc. Emporium, Pa. WINSHIP, \Villiam W. (W) 38 Shonnard Ave., Freeport. X. Y. WIKSHIP, William W" Jr. (G) Thermal Syndicate, Ltd. Lynbrook, :\. Y. WIXTER, Aniuta Institut d'optique Theorique et Appliquee, 3, Bid Pasteur Paris (15 0 ) France \\'IXTER, William E. (MJ) 2370 Bensonia .-\ve.. Pittsburgh 16, Pa. WISCONSIN PORCELAIN CO. (L. A. Stohl) Sun Prairie, Wisc. WISE, L. G. (X) E. 1. du Pont de Kemours & Co., Inc. Chemical Dept.. Experimental Sta. Wilminl(ton. Del. \\'ISE~IAX, Claude F. (S'I \\'est Virginia Brick Co. Charleston, \V. Va. \\'ISHOX. Berhl E. (I) H31i S. Fourth St., Columbus 7, Ohio \\'ISHOSKl, 1. Stanley (R) Indnstrial H eotillO 1~OO l'nion Trust Bldg. Pittsburgh 19. Pa. \\'ISXYl, Leonard G. 14 Simplex Ave., Kew Brunswick, N. J. WISS. J. E. (MF]) 1339 Lincoln Rd., Columbus 12, Ohio (Consultant) \\'InlER, Frank (G) 612 W. Main St., Woodville. Ohio (Ohio Lime Co.) \nTSCHEY, Ray A. (R) A. P. Green Fire Brick Co. 122 S. ~Iichigan Ave., Chicago J, Ill. WITTER, Raymond B. Apto, 4092-Correo del Este Chacaito-Ca raras. Venezuela (Fabrica de Productos Ceramicos) WITUCKI, Robert M. (G) 832 W. Foster Ave., State College, Pa. (Pennsyh'ania State t:ni,'ersity) \\'ITZEMAKN, A. W. (W) 20i Franklin Ave., Kittanning, Pa. (Eljer Co.) \\'O~IELDORPH, R. C. (G) 151 Riven'iew Dr., Kewark. Ohio (Owens-Corning Fiberglas Corp.) \\,OXGSOREDJO, Rasmadji Box 221, Alfred, K. Y. WOOD. Clifton E. (S) Box 02A. Smith Xeck Rd. South Dartmouth, Mass. (Cornell-Dnhilier Electric Corp.) \\'000, Kenneth T. (R) 102 Grace Blvd., Painted Post, X. Y. (Corning Glass Works) \\'OOD, Lewis C. (R) 1219 E. Fourth S. Salt Lake City 2, l'tah (Kennecott Copper Corp,) WOOD, Llewellyn, Jr. (S) Carrington \Voods, Milledgeville. Ga. 10conee Clay Products Co.) "'OOD, Russell K. (WI) 3900 E. California St. Pasadena 10, Calii. (\\'allace China Co., Ltd.1 \\'OOORl'FF, Ernest W. (R) 910 Custer .-\ve., Evanston, Ill. (Refractory Products Co.) \\'OODS, C. ]. I E) Xorth American Philips Co., Inc. Research & Control Instruments lli,. i50 S. Fulton Ave., ~It. Vernon. :\. Y \\'OODS, \\'illiam J. (\\') Box 62;, Lewistown, Pa. I Pennsylvania Pulverizing Co.) \\'OODS, William J" Jr. (W) Pennsylvania Pulverizing Co. 140 Stanwix St., Pittsburgh 22, Pa WOODVILLE LIME PRODUCTS CO. (J. Robert Cowell, ] r.) 2140 Jefferson A"e., Toledo 2, Ohio WOODWARD, Roger (]) 861 Euclid Ave., Elmira, K. Y. WOODWARD, Thomas R, (W) 2558 Oakwood Ave., Zanesville, Ohio ( Elgee Potteries, Inc,) \\'OOLDRIDGE, Morris L. (S) 7531 S. Perry Ave.. Chicago 20, Ill. (Universal Wheel & Abrasive Corp.) WOOLEY, Seward E. (RI) 6 Westbury Bldg., 66 E. Cliff St, Somerville, N. J. (Johns-Manville Research Center) WOOTE?', Richard M, (WJ) 10 Columbia Ave., Vineland, N. J. (Kimble Glass Co.) WORCESTER ROYAL PORCELAIN CO., LTD. (Joseph F. Gimson) Royal Porcelain \\'orks Worcester, England WORCESTER, W. G. (XFI) 720 Sask. Crescent E. Saskatoon, Sask., Canada WORK, Lincoln T. (M) 15 N. Crescent, Maplewood, N. J. (Consulting Engineer) WORTHINGTON CORP. (Herbert E. Gallison) Industrial Mixer Div. Plainfield, N, J. WORTLEY, G. W. R. & A. Main, Ltd .. Gothic Works Falkirk, Scotland WRIGHT, Edward P. (MIl Box 387, East Liverpool, Ohio (Kew Castle Refractories Co.) WRIGHT. H. D. (M) Endevco Corp., 689 S. Fair Oaks Ave. Pasadena 2, Cali f. WRIGHT, Haroh! D. (RJ) 3106 Floyd St., Ashland. Ky. (North American Refractories Co.) \VRIGHT, J. E. ~lessrs. A. G. Hackney & Co., Ltd. Fairfield Pottery. Hanley Stoke-onTrent, England \\'RIGHT, J. W. (Gil 1129 Warren St., ."lton, Ill. Owens-Illinois) WRIGHT, Jack (D) University of Omaha Dept of Fine Arts 60th & Dodge Sts .. Omaha, Kebr. \\TELLXER, Joseph F. (E) 1602 Galion Ave., Cle"eland 9, Ohio (Ferro Corp.) Wl!RTZ. John G., Jr. (X) Pacific Coast Ceramic Sews 509 S. Beverly Dr. Be"erly Hills. Calif. ROSTER 101 1,I J't ""rWY:\TT. Bradley (S \ Pacific Clay Product, 9500 S. Xorwalk B1\'d Lo, ~ietos, Calif. \YYCKOFF, \\'. R. (R) Joseph Dixon Crudble Co. _ Wayne St., Jersey City 3. X. J. \ 'T, James F. (BI) n<lard Oil Co. (Indiana) Engineering Research Dept. 2400 Xew York An .. Whiti,,!,:. Ind. \\'YSOR, D. C. (R) (;eneral Chemical D;"i,ion .\llied Chemical Dy~ Corp. 4C1 Rector St.. XC" York 6. :'\. Y. y YA~IAGFCH\, ~litsl1l' 1\\'1 i2 Oakwood :h~ .. :\rlinj:(ton. :'\. (:'\oritake Trading Corp. I Y:UI.UIOTO, Hideo (Gl 3f)~ W. 89th St., :'\ew York 24. :\. Y. (A,ahi Glass Co., Ltd.) YA~I.\S""'KI, Kazuo Chemical Institute, Science :'\ago)'a t"niversity C'hikusa, ~agoya. Japan Faculty YAMAl'CHI, T. Tokyo KOg}'o Daigaku (Tokyo Institute of TechnoIog}') Ookayama, "Ieguro-Kil, Tokyo, Japan YARTF.. Andrew A. (E) . Apartado 486, Monterrey, N:"L., ?lIexico (Productos Ceramicos. S. A.) YAVORSKY, Paul J. (Bl McDanel Refractory Porcelain Co. Beaver Falls, Pa. " YAWITZ, Murray (G) Fish-Schurman Corp, 70 Portman Rd., Kew Rochelle, X. Y. YEATER. Rov G. (Gl ostoria Glass Co.. ~I oundsville, \\". \"a. IKl. Bl,mpei Asahi Glass Co., :\0. I Benten-cho Tsuru mi,Ku, Yokohama. Japan YOl"~G. David A. (5) Cloud Ceramics, Concordia, Kansas YOr~G. Howard S. (B) R. R. I, Chadds Ford, Pa. (E. I du Pont de ~emours & Co .. Inc.) YOl'XG. James John G. Stein & Co. Ltd. ~lanuel Works, Linlithgow, Scotland YOl'XG, James E. (X) Armour Research Foundation 341i Federal, Chicago 16, 111. YOl.'~G, John C. (G) Portuguese Bend Club Portuguese Bend, Calif. - (Hayward Scientific Glass Corp.) YOl.'~G, Lloyd G. (G) Corning Glass \Yorks, )'lain Plant Glass Tech., Corning, l\. Y. YOl'~G, Robert W. (G) American Optical Co. Glass Research Lab. Southbridge, ~Iass. YOl":\G. Stanley H. (RI) Clet'eland Quarries Co., Amherst. Ohio YOl':\G, Vincent :\1: (G) Bausch & Lomb Optical Co. Rochester 4. X. Y. YOl'~G, Willard G. (WI) \\'. A. Case & Son ~[fg. Co. Robinson, IIJ. YOl'~G, W. O. (WI) Box 575. Honeoye Falls, K. Y. (Victor Insulators,lnc.) YOl'~GBLOOD, Charles J., Jr. IG) ~I issi"ippi (",lass Co. 88 Angelica St., St. Louis i, ~Io. YOt"XT, Richard V. (G) Sol\'ay Process Div. Allied Chemical & Dye Corp. Syracuse, ~. Y. \TXG, Lim Heng 906 S. Fourth St., Champaign, Ill. Yl'TZEY, Marvin G. (0) Fostoria Glass Co., ~Ioundsville, W. Va. z Z.\HX. William A. (W) 10 Church St., Matawan, K. J. (Atlantic Tile Mfg. Co.) Z.\HKISER, Geo. B. (VI') Shenango China, Inc., 1'\ew Castle. Pa. Z.\XOWIAK, Peter P. (S) 515 S. E. 21st St. ~lineral Wells, Texas (Te"eramics Co.) Z.\PFE. Richard C. (WI 162 Penfield St .. Pomona, Calif. (Pomona Tile Mfg. Co.) ZAPFFE, Carl ..... (E) 6410 Murray Hill Rd. Baltimore 12, Md. (C A. Zapffe & Associates) Z.\RBO, George (G) 2638 Latonia BIn!.. Toledo 6. Ohio <Kimble Gla~s Co.) Z.\ VIS, Le\\'i~ (\\') 11012 S. Chanera. In~le\\'ood, Calif. (H. F. Coors) ZA WYSTOWSKI, Arthur V, (WI) 904 Ohio A,e., Trenton 8, ~. J. (R. C. A. Victor Div.) ZEILLER, Irwin F. (M) 150 .M ason Dr., Flower Hill ~Ianhasset. Long Island, ~. Y. (B. F. Drakenfeld & Co., Inc.) ZERFOSS. Samuel (RF) Crystal Branch, Code 6433 :\a\'al Research Lah. Washington 20. D. C. ZICKEFOOSE. Elli, J. (Rl Griffin \\'heel Co. 445 X. Sacramento Blvd., Chicago, Ill. ZIEGFELD, Rohert L. (~O Lead Industries Assn. 420 Lexington An. ~ew York 17, K. Y. ZI:II.\R. Frank (Gl Corning Glass Works ~[ain Lab., Corning, K. Y. ZI:IBIER, David C. (WI) 223 Chelsea St., Sisters\'ille, W. Va. (Paden City Pottery Co.) ZI~n[ER~IAX, William F. (B) 3836 McXicholas St. Cincinnati 36. Ohio (General Electric Co.. Gas Turbine Dit.) ZIXK. George H. (E\) A. O. Smith Corp. 3535 :--<. 27th, ~tilwaukee, Wisc. ZIXK, Harold F. (G) Owens, Illinois Glas~ Co. liOO K. Westwood, Toledo 1, Ohio ZI.OT:--<ICK, Herbert Raytheon Mfg. Co., Research Div. Waltham 54. Mass. 7XEI:ItER, Joel E. (WJ1) 40.... Chester Circle, Raritan Gardens Xew Brunswick, ~. J. (General Ceramics Corp.) ZOLLMAN, James A. (X]) 1221 Penrod Ave. S. E., Roanoke, Va. ZCDKAK, S~pben J. (W) Box 1599, Trenton, 1'\. ]. (General Porcelain Co.) ZCMWALT, Donald A. (E) 6904 E. Slauson Ave. Los Angeles 22, Calif. (California ~[etal Enameling Co.) ZV""Xl"T, Albert J. (B) Lincoln Electric Co. 22801 St. Clair Ave., Box 3115 Cle\'eland. Ohio ZV.\:\l"T. Frank J. (Ell 14533 Bayes Ave., Lakewood, Ohio (Godfrey L. Cabot, Inc.) ZWER:>IAK:\. Carl H. (BFI) 806 W. l\[ain St.. Robinson, 111. ZWETSCH, Artur Villeroy & Boch Mettlach' Saar. C;ermany Addenda BARDSLEY, James J. (R]) KEEFER, George E. (G) SP.\I:-\. Richard W. (G) 133 E. Third St.. Corning, X. Y. Owens Illinois Glass Co. 2315 Drummond Rd., Toledo, Ohio (Corning Glass Works) 14th & Adams St., Toledo, Ohio (Owens-lIlinois Glass Co.) CHAI, Ki-Kon Grove City Collel1e. Ketler Hall Grove City. Pa. CLOWES, E. ]. (W) Clowes Ceramic Corp. 3711 Calhoun A\'e., Chattanooga, Tenn. EICHBAl'M, Barlane R. 195 Bevier Rd., ~e\\' Brunswick, X. j. XOK, John D. (R) 3440 Gallatin Rd .. Toledo, Ohio ( O\\'en~- Illinois Glass Co.) K.\LLAl'NER, Otakar "f Katedra Vysoke Skoly Sta\'itelstvi Brno, Czechoslo\'akia KERR, John M. 1008 S. Fourth St., Champaign. Ill. O'HARE, Charles A. (W) American Cyanamid Co. 30 Rockefeller Plaza !\'ew York 20, X. Y . REED, A. J. (X) 8602 Witkop Ave. Xiagara Falls, K. Y. SAl"~DERS, Richard A. (S) THCXHORST, Helen l\L Box 45i, Alfred, 1'\. Y. \\'ACHTMA:\, John B., Jr. (B) 2614 Cathedral Ave., Washington, D. C. (Xational Bureau of Standards) WARD, John B. (D) Corning Glass ""'orks, Corning, K. Y. \\'ELTE, Ralph J, (5) Summit Pressed Brick & Tile C". Box 533, Pueblo, Colo. WRIGHT, Thomas S. (R) 485 Monterey, Lionview P. O. HA t' BEI:\. Wendell L iO!l W. 12th St .. Rolla, l\lo. VOL. :{;{, ~O. 10 (1!J,,)4) 2556 Larwood Dr .. Charleston. W. \'~. I Charle.-ton Clay Product~ Co. I ~orth Vancouver, B. C, Canada I Fairey & Co. Ltd.) ROSTER 103 r ----------..--.c-a-...a.aa..I .National Institute of Ceramic Engineers Membership Roster Member Grade Adcock, Albert S. Albery, D. F. Alt, Leslie R. Amberg, Charles R. Ammerman, J. H. Andrews. Andrew I. :Archbold, Walter H .. Jr. Armstrong, Leland R. Amold, Howard C. Amold. Thomas M. Arrance, Frank C. Austin, Chester R. Austin, J. L. Aydelott, Elliott C. jBa!Jcock\..,Paul R. ,;Bailey, l'lo)'d : ~Bair, George J. :Ba1dauf Earl ":Baque, Harold Ew. . ;;,Bairinger, Lawrence E. :'.Baumann, Henry N., Jr. )Bea1s. M. Douglas :~:Beam, James R. ;.'Beck, Roy D. /Beecher, Milton F. ;..:lketon, Earl E. ,':~B~Beennnneetttt: A. Lee Dwight G. }Bennett. Myles P. ,'Berkelhamer, Louis H. c.. !Betz. George .:'.B' ,Raymond~. , urn, A. Relf '. William V. ;, ,Henry H. . :Blessing, Robert Lee :,Blume, Arthur J, 'Blumenthal, George Boeker, V, W. Bognar, Edwin J. . Bollinger, Robert H. 'Booze, M. C. ,.:Bowne, Martin S. Boyd, John E. Boyd, Robert C. Bradley, R. S. Bradwell, C\'Til Bramlett. \/v'Hliam P., Jr. Brandt, William O. Brown, Donovan P. Brown, Lawrence H. Brownell, Wayne E. Brush, George D. Bryant, Eugene E. Buckner, 0, S. Burchfiel, B. M. Burdick, Milton D. Butler, C. Edward, Jr. Cahoon. G. J. Caito, A. :>\. Callahan, H. D. Callinan, Edward E. Campbell. Robert ~f. Carruthers, John L. Carter, F. B. Carter. Herbert D. 'Cartwright. S. V. Cavanaugh, D. J. Cayford, James M. Christman, H. :>1. Clare, Robert L. Clark, John D. Clemens, Eugene C. ~RObert W. ,William W. Sandford S. o eman. Robert L. Collins, Paul F. Collins. William G Commons, Charle- H .. Jr. Cono"er. Ray C. VOL. 33. :\0. 10 (1954) Comardi, William A. Cook, Ralph L. Cordes, John E. Couch, Albert H. Cramer, \V. E. Crandall, Eugene R. Crandall, James R. Crandall, William B. Crawford. George E. Crawford, J. L. Cress, William C. Curtis, Carl E. Dager, Probert W. Danielson, R. R. Davies, Chester A. Davis, Harry E. Day, Jack F. Day, Ralph K. Day, Robert B. Dear, Paul S. DeRemer, John W. Deringer, W. A. " Diamond, Grant S. Dietterle, Edwin W. Dilliard, Paul D. Dodd, Charles M. Donnenwirth, A. L. Doran, Robert F, Dressler, Philip Drouhard, W. J. DuBois, H. B. Duckworth, Winston Eagle, J. Eugene Easter, George J. Eggleston. Myron M. Ehman, Roy G. Eitel, Wilhelm Elder. John C. Ellard, Earle R. Emrich, Emerson W. E"erhart, J. O. Fabianic, William L. Fahrenbruck, William O. Failmezger, Howard Fallon, Frank J. Fay, Wayne X. Feagin, Roy C. Fellows, R. L. Fels, C. G. Fessler, A. H. Fitzgerald. Alex E. FleminR, Charles A. Flint, E. P. Flint, Francis C. Foraker, Robert W. Ford, Walter D. Frahme, Herman H. Frame, Dudley Po, Jr. Francisco, Allen C. Fraser, Lewis H. D. Fraser, Orray T. Frazier, J. Earl Frechette, Van Derck Frederick, C. L. Freeman, Charles A. French. Preston W. Fritz. E. H. Fuller, Richard B. Fulmer, Ravmond C. Funnell, John E. Gallup, John Garve, T. Walter Gaskins, W. W. Gautsch, Murra\' C. Geiger, Charles F. Geller, R. F. Gerster, C. \V. Gibson, R. L. Gill, Joseph W. Gill, LaVerne :\. Gitter . .\Iice .1",t'l'hine Glaze, Francis \\'. Goodrich, Hobert R. Gould, Robert E. Green, R. S. Gregorius, J. S. Grigg, Paul E. 'Hagar, Donald Hallett, Crawiord W. Hamilton. Edgar H. Hanna. H. H. Hanna, Ralph E. Hansard, W. Carey Hansen. J. E. Hardy, Ronald G. Harnish. John D., Jr. Hartshorn, T. D. Hazen, E. J. Heddell, James V. Heiligman, H. A. Helser, PerT)' D. Hemsteger, Samuel E. Henderson, Frederick C. Hendren, Robert R. Henry, Edward C. Hepplewhite, J. W. Herold, Paul G. Hewitt, L. C. Higgins, Waldo W. Hopkins, Robert W. Horak, William Homing, Roy A. Hornung, Martin R. Hossenlopp, Arthur :\1. Hostetter. J. C. Howe. Elroy E. Hower, Lawrence D., Jr. Hughes. Walter M. Hunt, Frank S. Hunt, John F. Huppert, Paul A. Hursh, Ralph K. Hutchison, Clark Hutchison. R. C. Hyde, Col:in Inine, George C. 1\'es, John B. Jackson. A. Curtis Jacob, Bernard T. Kauffman, John R. Kautz, Karl Keith, Wendell P. Kempf, William C. Kenagy, William L. Kent, Joseph P. Kent. N. Johnson Keplinger, Robert B. Kerper, Matthew J. Kerr. W. Ra)'mond King, R. M. Kirkendale, George A. Kirkpatrick, Frank A. Klinefelter, T. A. Knapp, William J. Knecht, A. O. Knoblaugh, Walter C. Koch, William J. Koehler, \V. A. Koenig, Charles Jacob Koenig, John H. Koos, E. K. Kraner, Hobart M. Kriegel, W. Wurth Kronman, Samuel J. Kuechler, A. H. Kunzman, Edward E. I.aird, Charles Lambe, C. ~1. Lamhertson. \\'inll'ate A. Lane. Richard O. Lannes. Eugene ,1. Latimer, Hora I .. Lee. 1'. William Leibson, Jacob :-:. Lesar, Aibert Lewi,. Gordon E Ligon, Elmer R Lime_. Robert \\', Linll,ay. Carey E. Lintz. Elmo H. Lobaugh. Frank E, Louden. R. H. Lowe, George K. Luks, Daniel W. McCann, D. :>1. McCollom, Perrv C. McDonald, E. F. McDougal, Taine G. McDowell, Samuel J. McElroy, R. H. McIntyre, G. H. McMahon, John F. McNamara, E. P. McVay, T. N. MacDonald, R. \\'. Magid, H. S. Maim, Arthur T. Mandel, Charles J. Martin, Ralph H. Massengale, GonIon B. Matson, Frederic!; R. Maupin, Addison Meeka. Edward Merck, Walter J. Merriam, Jack G. Merritt, Clarence \\'. Merritt. Lester :>1. :VIe rry , E, B., Jr. Messimer, Laverne A. Metzger, A. J . Michael. Frank L. Miller, Grant E. Miller, Howard L. Miller. John B. :>liller. Ru,sel A. Milliken, Edward C. Minton. G. Z. Mitchell, Lane Mitra, H. K. :>Iohr, William C. Montgomery, Earle T. ;\loore, Dwight G. Moore, Richard S. Morgan, Stuart F. Morgan, William R. Moser, John L. Mowrey, Fred W. Mundy, O. S. Murray, :\-laurice A. Nel son, Forrest Vi. ~ ewcumb. Rexford, J r. Xorton, Frederick H. Olsen. Rangwald S. Ortman, Fred B. Palmer, Willard E. Pask, Joseph A. Peck, J. Clair Pence. Forrest K. Perkins. Walter W. Perry. Robert F. Petersen. Fred A. Petrie. Earl C. Pfeiffer. Wilbur H. Phillips. Edwin L. Phillip,. James G. Place. Tom :>1. Planje, Chri-tian \\'. ROSTER 105 .... J plankenhorn, William J. Ploetz. Edwin C. Pole, Gordon R. Porst, Edward G. Porter, Fran k R. Poste, Emerson P. lewaite, D. E. Arthur H. James E. , Alan T. Pnor, Harold D. Puntney, L. E. Raine, Frank F. Rapp, Carl H. Reimer, John J. Rhodes, Fraser B. Rhodes, Ralph R. Richardson, H. K. Richmond. Joseph C. Ricker, Richard W. Riddle, Frank H. Robert,. John Taggart Robinson. Richard E. Robson, James T. Rodriguez. A. R. Rogers, Edwin J. Rolke, Herbert J, Rose, Ralph Ross, Donald W. ROup, Rolland ..:Rowland. Davidge H. -;,:.Russell. Howard F. .jiiRussell. Ralston, Jr. J . .!.~'.;. ?~~tomieri, S. Lewis ,}:tl:S:Ci~ho~elp~pgel~, ;~. Irvin orman W. ;,.;Schofield, H. Zane ,SSchotts, Walter H. ':'.:Schroeder, Fred W. :. ':'Schurecht, H. G. ;:;<Schwalbe, F. G, :.~,';..:5Sccohtwt,arMtzuwraraldyer Karl Z:;:Sc:ott, Roger F. . . L::. .:...dlowE, LW. Russel I. . ..;;::'. w, Myril C. .":, Shepherd, John F. '::<'Sherrill, Rohert R. . :. Sherwood. Rohert F, :. Shevlin. Thomas S. ; Shimer. J. B. \.Siegwald. Oyde R. :S:;SiIverman, Alexander . ,. Silverman, William B, . Simison, A. L. ,.. ' Simpson, Harold E, ::,:Skinner. Kenneth G: '~::Slyh, John A, ./.:: Smith, C. A. :,-:'Smith, Hillard A. . , :Smith, Kenneth E. , :Smith, Leland Smoot, Jack M. Snyder, Ernest B. Solomon, Earl .,. .Sommerville. J. L. i". 'Sosman, Robert B. Speil, Sidney 'Spencer-Strong, G. H. Spires. Stephen T. Sproat, Ira E. Stafford. W. L. Steinhoff. Fred L. Stevens, Frank J. Stevens. Robert P. Stewart. John A. Stone, Robert L. Strod. Arvid J. Svec, J. J. Swain. Stephen M. Swcely, B. T. Swentzel, John P. Sweo. Benjamin J. Sylvester, George R. _ by. Roland V. e, Frank E. eague. Jo M., Jr. Tefft, Phillip W. Thiemecke, Harry \\'. Thomas, David W. Thompson, Oyde L. VOL. 33, No. 10 (1954) Thornton, Paul E. Thurnauer, Hans Toulouse, Julian H. Tredennick, WnIiam T. T reischel, C. C. Trostel, L. J. Tucker. Donald J. Tucker. Harl'ev C. Tucker. Rolall(i E. Turk, Richard H. Turner, P. P., Jr. Twells. Robert Van Vlack. Lawrence H. \au!(han. T Carter Vaughan. \\'. Harry Walton. S F. \\~lt-..-\rthur S. Wel"ter. Charles E. We'ton. Ralph H. Whitaker. Fre,l A. Whitaker. L. R. \\hite. Harold E. Whittemore. J. \\'. Whittemore, O. J., Jr. Williams. Walter E. Wiss, J. E. Worcester, W. G. Wright. Edwarn P. Wright, J. W . Wygant. James F. Young. Stanley H . Young. W. O. 'Young, Willard G. Zimmer. David C. Zink. George H. Zvanut, Frank J. Associate Member Grade Bevis. Ralph E. Burkhalter, Edward Debenham. W. S. Ekholm, L. G. Fuller. Donald H. Galbreath. William W., Jr. Green. John R. Hunting. Everett C. King, Burnham W., Jr. ~lcCann, Sidney W. Mulroy, James P. Schlehr. W. Raymond Sellers, John T. Stolte. Norman H. Tauter. John A. Trabert. Loren A. Vincent. George L, Zwermann, Carl H. Junior Member Grade Abemeth", Lonnie L. Alexander, John M. Allen. Richard L. Ames, R. X. Anderson. Harrv L. Ase\edo. Marceilo R. V., de Asher, Glen J. Ault. ~eil X. Baab, Kenneth A. Barnes. Harr" H. Barr, Norman E. Beals. Robert J. Beard, Clinton L. Benbenek. Raymond Bender, Bob G. Bergeron, Clifton G. Bissell, Don W . Jr. Blackwood, James M. Blum, Sevmour Bolon. David G. Bradford. Vir!(il E. Bradley, Fennimore ~. Brant, Da"id G. Breedlove, James G. Bristow, Robert H. Brown, John J., Jr. Browne, Thomas C. "Buchan, M. A. Buckles. Paul E. Burks, Cecil ~I., Jr. Bu,h. James W. Btbteed, Donald J. CalJ\\ell, \\'illiam D. Campbell. Cory V. Carl. John E. Carbon. \\'illiam G. Carnahan, Thoma, D. Chapman, Frank E., Jr. Charland. Tel L. Clark. Richard E. Clnerlv. Robert B. Cole. S,tlHlfonl S.. Jr. . Coo::e. Da\ id C. Crookston, James .-\. Crosby, Donald P. Crowley, Michael S. Curcio. Anthon)" L. Curran, Robert Daly. Howard J., Jr. Deadwyler, Earnest W. Deignan. Charles J. de Prosse, Victor A. de Roux, Juan Ramon Desaix. Herbert A. Deutscher. Jerome S. Dickey, John M., Jr, Dlugozima. W. R. DDoonraa,heJyo,seJpohhnc.W. Dare. James E. Dorn. G. Neal Dorsey, John J. Douglas, Edward A. Dungan, Robert H. Edwards. William R. Elston. Keith Emrich, Haroln W . Evans, William W . Farber. Louis G. Faust. Ernest H . Jr. Fellows, Roger L., Jr. Fillmore. Charles L. Fish. E. Thomas Fitzsimmons. Elmer S, Fon\'ielle. Frank P., Jr. Ford. George D. Forkner. Henr)' R. Forry. W. J, Franklin, William S. Fulker, Richard H . Fuller, L. R. Fun. Clegg M. Fuszara, Lester T. Garcia-Leal, Ramon Garlick, Philip L. Garvey, Lawrence P. Gates, Daniel W. Giles, James H., Jr. Gill. James A. Gornall. Henry A. Gough, James A. Griffith, William A. GrO\'e, Robert L. Hackler, W. C. Hagan. ~1. A. Hagerman, R. Scott Hammer, R. Hannon, Richard C. Harr. W. J. Harrison. William B. Hart, Wade J. Hartford. Thomas J. Hasko, Stephen Hassett. William A. Hauck, Charles A. Hauser, Richard E. Heebner. John C. Hawkins, Robert J. Berko, Edward Hes>inger, Philip S. Hitzeman, Roger L. Holdener. Irwin K. Holl, Barton S. Holmstrom. Joseph H. Horton. Paul B. Huettig, Fred R. Hynes. Frank J. Immc,hato. Robert 1aCU"~(lIl. Ed \dn ) at'fe. Hernanl .I el inek . .I ames \\'. JOhlbOI1 ..-\lton E. lohlbol1. George E.. .I r. 'ohn,ul1. lame' E. )olm,ol1. ,iame, R. halman. Frank R. L.ka"tl'll, \ t:rtlllll hatz . .Io.ql\, ~l. helly. \\illiam J. Kent. \\ illiam B. hepka. George M. Kershner, \\ illiam G. Kin"man. Bradley Q. Kntt<ben. Friedrich P. Kyonka. Jo'cph C. Lachman. lr" in M . La~laire. Robert V . Laurie. Dominic Lawrence, Walter F., Jr. Leddy, Rohert 1\1. Lefort. Henry G., Jr. Lester. Ronald H. Liederhach. William H. Lindquist, Claude A., Jr. Long. Russell E. Longfritz, Robert K. Lorey. Frederick D. Lowe. Earl C. Ludwig. Da"id W. Lunak, Thomas E. Lytle, Jack A . McAllister, Christopher McCla\'e, James W. McOelland, Roland H. McEvoy. Robert J . McGee. Thomas D. McKeen. Ric'hard D. MeI'.inni,. Charles L. McLaullhlin, Joseph K. Mc\\'illiams, Robert J, Mac Znra. George Manring. Jack C. Marcu" Leon Matti,on, \\'illiam F . Jr. Mayfield. ~lall\iI1e J. Meloy, C. L. Merbler. Wallace Meredith, ~eil F. Michelotti, Joseph E. Milliken. John H. Milliken. Joseph E. Moffet!. Robert A. Mohanty. Gajendra Nath Mohler, ).;eal F. Montl(omery. Eldwin C. Moo(h. Willis E. Morelia, Al red Morgan, Robert A. Mornin. Bob L. Moss. LeRoy L. Mu.-lIer, Edward E. ~{ueller, James 1. Muller. :-'Iax Kohle. Richard C. Ogden, \Villiam D., Jr. Orzano, ~I ichael J. Ottoson. Axel Owen,. Rohert K, Packman. Willard D, Palmour, Hayne, III Parker. Harry Parson. James A. Patrick, Robert F. ['earch. Howard C. ROSTER 107  Pechman ..\lexander Pedu, Richard K. Pelz. Rouert W. Phoenix, Richard C. Pierson, James F. Poland. ~!ilton E. Post. Benjamin F. Rassner, Donald D Rea, Robert F. Rebchook, Grel10ry \" .rReed, "orman D. Rempes, Paul E., r. Ren.kers. Richard H. Reuning, George W., Jr. Ricci, Edward ~f. Rice, Hal H. Riegert. Richard P. Robinson, Richard R. Rogers. Melvin F. Root, H. Dean Ross, Paul F. Rous, William c. . .Ir. Rowlands. Robert R. Russell, Xorman Keith c.Sadowski, T. Richard Saunders, :"'lired ~cales, John B. C;<,illack<. Richard 1. C;d"",,kr. Robert h. Schultz. lames B. Schwartz, Bernard Schwartz, M. A. Scott, Robert~!. Seckman, Harry D. Semmelman, John O. Shapiro. Howard ~haw, Clarence F. Sheets. Herbert D. Shelley, C. B. Shook. William B. Shopher, 5u'rling D. Shonkwiler, Francis P. Shulze, Charles E. Siska, .-\Ihert H. ~kok, John J. Smalley, Howard F. Soderstrum, Will iam K. Sontz, Arthur Soxman, Edwin J. Spangenberg,' \\'illiam C. Spencer, Howard G .. III Stalter, Thomas 1.. Stetson, William C. Stettner, Donald H. Stevenson, James K., Jr. Stoddard, Stephen D. Stoen, Roger C. Stoops, Robert F. ~t radlty, '\' Ilrman Str()l1p~. Huward E .. Jr. Sullivan, Paul A. Sutherland. Frank R. Tarnacki. Walter J. Taylor, Charles H., Jr. Taylor, Howard V. Thiemann, John \\'. Thompson. William ~f., Jr. Thor. ~!urner E. Tibhals, Harvey L. Tinklepaugh, J. R. Toler, Herbert R. Tostevin. Edgar R., Jr. Townsend. William O. Tripp. Harlan P. Trostel. Louis J., Jr. Troy, H. Xeal T -e. Shou-chenl1 Turhett, Paul E. Turner. Robert C. Twells, Robert G. Unum. Robert F. Updike. George G. Van Alsten. Roy L. Van Der Beck, Roland R. Van Schoik. !lirk,u" \1 \'an \\ig;:eren. Charle, G. \. enable. Charle- R., Jr, \.era, Franci,co Veres, Frank Vitolo, S"h'ester A. Vukovi"h: ~lilan. .Ir. \\'arren, George \Vaters, \lanin R. Watkins, \\'illiam E. \\'eiske. Ino G. \Veiss. E. Joseph Welch, A. Philip Wheeler, William H. \Vherrv, Allen P. Williams, Alan B. Williams, Leroy L.. Jr. Williams. Robert ~!. Wilson, Hugh H .. Jr. Wilson, Robert C. Wishon, Berhl E. Wood, Russell K. \Voodward, Roger Wooley, Seward E. Zawistowski. Arthur V. Zneimer. Joel E, KENTUCKY-TENNESSEE Have you received your sample of the all..purpose JACKSON BALL CLAY for: Casting, Jiggering and Pressin&? Large Supply and Storage Air-Floated Clays Featured KENTUCKY..TENNESSEE CLAY COMPANY Home of Old Mine No.4 Ball Clay Mayfield, Ky. Alliance, O. Paris, Tenn. Consulting Services lOS ROSTER More than 5200 people in the ceramic industry look to the Ceramic Bulletin for authoritative information on the latest in ceramic technology. Offer them your consulting services at the time when they're thinking on ceramics. The Ceramic Bulletin 2525 N. High St. Columbus 2, Ohio $10 per single insertion $48 for 12 insertions in one calender year CER.-\~IlC BULLETIN  The American Ceramic Society BULLETIN A monthly publication devoted to the proceedings of The Society, discussions of plant, technical, scientific, art, and cooperative research problems. Volume 33,1954 Charles S. Pearce, Editor James S. Welch, Managing Editor Emmoline R. Jamra, Editorial Assistant Mary Ann Weigelt, Editorial Assistant Committee on Publications: J. J. Canfield, Chairman; C. H. Hahnert Karl Schwartzwaldert and W. R. Kerr Contributing Editors: Officers of Industrial Divisions and Sections (For names, see back of Title Page) Executive, Editorial, and Advertising Offices: 4055 North High Street, Columbus 14, Ohio Publication Office: 20th and Northampton Streets, Easton, Pa, l..I.l r;~ ..t= C:) ~~.,. II ~. . . I