Document G5eBBpD6YO5dqQEDrj1qdKRRv

OFFICERS President Ray W. Pa fiord Fort Worth, Texas President-Elect Robert Twells Fostoria, Ohio I'ice-Presidents William O. B randt Los Angeles, Calif. John F. McMahon Alfred, N. Y. Rolland R. Roup Milwaukee, W:isc. rer . Dougherty burgh, Pa. General Secretary and Editor Charles S. Pearce Columbus, Ohio Committee on Publications J. J. Canfield Chairman W. R. K err C. H. H ah n e r Karl Schwartzwalder, C. S. Pearce (ex officio) Managing Editor Jam es S. Welch Cditortal Assistants Mary Ann W'eigelt Emmoline R. Jam ra eastern Representative William T. M ohrm an, Jr. 501 Fifth Ave., New York 17, N. Y. Phone: Oxford 7-2369 Offices j^ ^ ^ fe u l ic e , editorial, and adver2525 North High St., ^ ^ u tn b u s 2, Ohio. Phone LA. 712. A.T.&T. Teletype, CL593 Publication: 20th & Northmpton Sts., Easton, Pa. October, 1954 CONTENTS Papers Cun-Placed Silica Cupola Linings.......................................................301 T. E. Barlow and P. D. Humont Automatic Spraying of G lazes.......................... R. J . Verba Pozzolans-- Their Properties and Manufacture Rudy L. Nordmeyer 307 309 Articles Eisenhower Letter.....................................................................................311 Wollastonite as a Ceramic Material......................................................312 Pereny Kilns.............................................................................................. 317 Nominations for Officers..........................................................' ............322 Rosters Membership Roster..................................................................................R-1 Institute Roster..................................................................................... R-105 Departments In Print for Ceramists..............3 Sections.................................. 313 Mailbox for Readers.............. 4 Schools....................................315 Meetings Calendar.................6 Institute Page........................316' Personal Notes...................... 12 Authors.................................. 318 Out of the K iln ......................13 Names...................................... 320 Men & Positions. . . .1 6 , 17 Building Progress............... 321 Advertisers Index................. 18 6400 copies of thii issue were printed Membership Roster The American Ceramic Society This Roster of members is published only for the use of members of The American Ceramic Society. Listings are in alphabetical order. A separate Roster for the Xational In stitu te of Ceramic Engineers, showing grades of membership, is on pages R-105 to R-108 af this issue. New members received too late to be included are listed in the Addenda on page R-103. - These listings give the m em ber's preferred mailing address. Where this is not his business address his company connection is shown in parentheses. Divisions and other Society affiliations are indicated in parentheses following each name, in accordance with the code jhrenbelow. The absence of any such designation indicates th a t the member is from outside the United States or a student member, aeidier of which has Division affiliation. ' ' B--Basic Science Division D--Design Division - E--Enamel Division K? - G-- Glass Division M-- M aterials and Equipm ent Division R-- Refractories Division. S--Structural Clay Products Division W--W hite Wares Division X-- Xo Division affiliation F-- Fellow of The American Ceramic Society J --Junior Member I-- Xational Institute of Ceramic Engineers ADCOCK. Lawrence \\\, Jr. (W) 459 W. Washington St., Frankfort, Ind. (P. R. Mallory & Co., Inc.) ADDERLEY, James R. 42 Church St., Brierley Hill S. Stafford, England ADERHOLD, George H. (W ) Saxonburg Ceramics, Box 100 Saxonburg, Pa. AFFLERBACH, Harry (E) R.R. 4, Frankfort, Ind. (Ingram-Richardson, Inc.) AGASHE, R. N. (Bricks) Tata Iron & Steel Co. Ltd. P. O. Kumardhubi E-l, Dt. Manbhum, India AGNEW, G. D. (W ) Universal Potteries, Inc. Cambridge, Ohio AHEARN, V. P. (M) Xational Industrial Sand Assn. 1325 E St., X. W., Washington 4, D. C. AHL, George W,, Jr. (W) Summit Mining Corp., Bashore Bldg. Carlisle, Pa. AKAM, J. W. (S) Xatco Clay Products, Ltd. Aldershot, Ont., Canada AKMORAX, Miss Huban 1, Cobankizi Sokak, Buyukdere Istanbul, Turkey (Turkish Glass Works) AKRON PORCELAIN CO. (F. W. Butler) Akron 14, Ohio ALBERS-SCHOENBERG, Ernst (W) 13-B-3 Redfield Village, Metuchen, N. J. (General Ceramics Corp.) ALBERT, Joseph (W) Albert Pottery, Chamblee, Ga. ALBERTALLI, Stephen L. (GJ) Coming Glass Works, Harrodsburg, Ky. ALBERY, D. F. (SFI) 1433 23rd St. X. W., Canton 9, Ohio (Stark Ceramics, Inc.) ALBRECHT, Ernst Keramische Fachschule Hoehr-Grenzhausen/b Koblenz, Germany ALCOCK, Ronald H. " Ferrum" Espaa 402--600, Avellaneda Buenos Aires, Argentina (Ferrum, L. A. de Ceramica y Metalurgia) ALDEX, Charles E. (G) 1214 Parkside Blvd., Toledo 7, Ohio (Kimble Glass Co.) ALELUIA, Joao C. F. Av. Araujo E Silva--59 Aveiro, Portugal ALEXIUS. Carl Axel Iittala Glasbruk, Iittala. Finland ALEXANDER, A. E. (G) Tiffanv & Co., 727 Fifth Ave. Xew York 22. X. Y. ALEXAXDER, John B. (M) Southwestern Portland Cement Co. 1034 Wilshire Blvd. Los Angeles 17, Calif. ALEXAXDER. John M. (M l) 2376 Hamilton Ave. North Bellmore, X. Y. (Swindell-Dressler Corp.) ALEXANDER. R. B. (W) Xational Tile & Mfg. Co. 1200 E. 26th St.. Anderson, Ind. ALGEMENE VERENIGING VOOR De NEDERLANDSE AARDEWERK EN GLAS INDUSTRIE (H. G. P. Kolfschoten) Haaweg 139, Rijswijk, Netherlands ALLEN, Alfred W. (R) Ceramic Engineering Dept. University of Illinois, Urbana, 111. ALLEN, Ben (G) Coming Glass Works, Corning. N. Y. ALLEN, Ralph (W) 1234 Paddock Hills Ave. Cincinnati 29, Ohio (John Douglas Co.) ALLEN, RICHARD L. (RI) E. J. Lavino & Co., Box 365 Newark. Calif. ALLEN, Robert G. (R) Robert G Allen Co., Box 110 Mechanicville, X. Y. ALLEN, Walter C. (R ) U. S. Steel Corp. Research Uab. Lincoln Highway, Kearny, X. J. ALLEN, Warren 'W., Jr. (S) Hydraulic-Press Brick Co. South Park, Ohio ALLIANCE WARE, LTD. (R. E. Strain) Box 550, Vancouver, B. C., Canada ALLIEGRO. Richard A. (RJ) 33-05 150th St., Flushing 54, X. Y. (Xew York State College of Ceramics) ALLISON. Adrian G. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio ALLISON, Leroy W. (M) Ceramic Publishing Co., Inc., Box 9073 North Station, Newark. X. J. ALLMAX, Orin H. (G) Kimble Glass Co., 2626 Dorr St. Toledo 7. Ohio ALT, Leslie R. (SI) 547 Simon St., Hayward, Calif. (Kraftile Co.) ALT.MANX, Berton G. (B) 16700 Cypress Way. Los Gatos, Calif. (Kaiser Aluminum & Chemical Corp.) ALTON BRICK CO. (Eben Rodgers, Jr.) Alton, III. ALUMINUM CO. OF AMERICA (A. R. Pickettl, 1501 Alcoa Bldg. Pittsburgh 19, Pa. R oster 1 AMBERG, Charles R. Alfred Univ. Research Lab., R.R. 1 Box 212B, Kingston, N. 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 Works) AMERICAN CLAY FORMING CO. (Dan McPhail) Tyler, Texas AMERICAN COLLOID CO. (Paul Bechtner) Merchandise Mart Plaza, Rm. 813 Chicago 54, 111. AMERICAN ENCAUSTIC TILING CO., INC. (Robert A. Williams, Jr.) Ninth St. & Kenilworth Ave. Lansdale, Pa. AMERICAN GAS ASSOCIATION (C. G. Segeler) 420 Lexington Ave. New Y'ork 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. Mich. 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. Matthews) 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, III. (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. 0% Chemical Industries Baroda 3, India AMMERMAN, J. H. (RI) 202 Scribner, DuBois, Pa. (North American Refractories Co.) AMRHEIN, Alan G. Box 1659 Georgia Institute of Technology Atlanta. Ga. ANCHOR HOCKING GLASS CORP. (William V. Fisher) Lancaster, Ohio AXCIZAR-SORDO, Jorge Laboratorio Quimico Xacional Ministerio de Minas y Petroleos Apartado 2577, Bogota. Colombia ANDERSON, Harry L. (RD Republic Steel Corp.. Warren, Ohio ANDERSON. Herbert H. (G) 401 X. Main St., Port Allegany. Pa. ( Pittsburgh-Coming Corp.) ANDERSON, Orson L. fG) Bell Telephone Labs., Murray Hill. N. J. ANDERSON, R. E. (W) Robertson Mfg. Co., Box 848 Trenton 5, N. J. ANDERSON, Richard C. (RJ 3516 W. Sunnyside, Chicago, III. (Lindberg Engineering Co.) ANDERSON, Rupert C. (W) Valley View R.R. 2, New Brighton, Pa. (Mayer China Co.) 2 R oster ANDERSON, Scott (Gl Anderson Physical Laboratur> 609 S. Sixth St., Champaign. 111. ANDERSON, William B. (El m Titanium Pigment Corp., I l l Broadway New York 6, X. Y. ANDREASEN, A. H. M. (Honorary) Oster Voldgade 10 Copenhagen K., Denmark (Royal Danish Technical Universitv) ANDREWS, Andrew I. (EFI) Ceramics Bldg., University of Illinois Urbana, 111. ANDREWS, Ray (G) B. F. Drakenfeld & Co., Inc. Box 519, Washington, Pa. ANNIS, Aldon P. (S) Texas Vitrified Pipe Co., Box 111 Mineral Wells, Texas ANTAKI, Emile Calle Espaa 402/600, Avellaneda, Buenos Aires, Argentina (Ferrum S. A. De Ceramica & Metalurgia) ANTHONY, George H. (R) 41 Marion Dr., Poland, Ohio (Youngstown Sheet & Tool Co.) ANWYL, Robert H. (S) Box 597, Toronto, Ohio (Toronto Fire Brick Co.) AO, Takeo No. 11 1-chome Dairyo-Machi Sumiyoshi, Osaka. Japan (Osaka University) ARANGO, G. Botero Balboa 63-13, Medellin, Colombia (Cristaleria Peldar S. A.) ARCHBOLD, Walter H., Jr. (MI) 125 Smallwood Dr., Snyder 21. N. Y. (Electro Refractories & Abrasives Corp.) ARCHIBALD, W. A. British Iron & Steel Research Assn. 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. ARM CO STEEL CORP. (R. S. Burns) Research Library, Middletown, Ohio ARMISTEAD, W. H. (G) 65 E. First St., Corning, X. Y. (Corning Glass Works) ARMSTRONG CORK CO. (E. C. Emanuel) Research & Development Center Lancaster, Pa. ARMSTRONG. Leland R. (RI) 27 Morgan Ave.. Washington. Pa. (Findlav Clav Products Co.) ARNOLD, Howard C. (EFI) 76 Standish Blvd., Pittsburgh 28, Pa. (Federal Enameling & Stamping Co.) ARNOLD, Robert M. (M) Arnold Engineering Co.. Marengo. 111. ARNOLD, Russell E. (SF) Box E, E. Akron Station. Akron 5. Ohio (Robinson Clav Product Co.) ARNOLD, Thomas M. (W I) Red Wing Potteries, Inc. Red Wing. Minn. ARRANCE, Frank C. (WI) Coors Porcelain Co., Golden, Colo. ARRANDALE. Roy S. (G) Thatcher Glass Mfg. Co., Inc. 1901 Grand Central Ave.. Elmira. N. Y . AKRAS, George. (E) 32 S. Peoria St., Chicago 7, 1)1. (Quadrangle Mfg. Co.) ARTHUR, Edwin P. (G) 3110 Las Faldas Dr., Fullerton, Calif (Beckman Instruments, Inc.) * ARTIS, William E. (D) Nebraska State Teachers College Chadron, Nebr. ARWIXE, A. S. (R> Refractory & Insulation Corp. Port Kennedv, Pa. ASDELL, Bernard K. (W) Edgar Division Minerals & Chemicals Corp. of America Mclntvre, Georgia ASHER, Glen J. (RI) 2568 Illinois, South Gate, Calif. ( Pryor-Giggev Co.) ASHMORE, Russell C., Jr. 25 New Brick Apts., Clemson, N C ASHWORTH, GEORGE L., & * ' BROTHERS, LTD. (William G. Evans) Broad St. Works Hanley, Stoke-on-Trent, England ASSOCIACAO BRASILEIRA DE CERAMICA (Francisco de Salles V. de Azevedo) Ceramica Sanitaria "Porcelite" S/A Sao Paulo, Brazil ASQUITH, Milton Redfearn Brothers, Ltd. Old Mill Glass Works Barnsley, England ATWELL, George D., Jr. (S) Shenandoah Brick & Tile Corp. Box 32, Winchester, Va. AUER, Konrad F. Xetstal, Kt. Glarus, Switzerland AULT, Neil N. (BI) Norton Co., 1 New Bond St. Worcester 6, Mass. AUSKERN, Allan Dept, of Ceramics, M. I. Bldg. Pennsylvania State University State College, Pa. AUSTENAL LABORATORIES, INC. (R. C. Feagin), 224 E. 39th St. New York, N. Y. . AUSTIN, Arthur O. (W) Box 109, Barberton, Ohio /: (A. O. Austin Co.) , AUSTIN, Charles E. (S) V/ Consolidated Brick Co. . 'r Horseheads, N. Y. ' AUSTIN^Xhester R. (R FI) -; Koppers Co., Inc., Research Dept' Koppers Bldg., Pittsburgh 19, Pa; ' , AUSTIN, James Bliss (RF) Research Laboratory, U. S. Steel Corp. Lincoln Highway, Kearny, N. J. AUSTIN, J. L. (W I) 2057 N. Glebe Rd., Apt. 105 Arlington, Va. AUSTIN, Lewis M. (G) 2234 Middlesex Dr.. Toledo 6, Ohio (Owens-Illinois Glass Co.) AYDELOTT, Elliott C. (E l) Waverly, Pa. (Murray Corp. of America) AZEVEDO, Francisco de Salles V. de Associacao Brasileira de Ceramica Ceramica Sanitaria "Porcelite" S/A Sao Paulo, Brazil AZEVEDO, Marcello R. V., de (I) R. Peixoto Gomide 427 Bairro Bela Vista. Sao Paulo, Brazil (Ceramica Sanitaria Porcelite) B BAAB, Kenneth A. (RT) 628 Sixth Ave.. Bethlehem, Pa. (Bethlehem Steel Co.) BABA. Paul D. 358 Pennington St.. Elizabeth 2, N. J- BABCOCK, Clarence L. (GF) 1718 Potomac. Toledo 7. Ohio (Owens-Illinois Glass Co.) Ceramic Bulletin ABCOCK, M. G. (G) 618 Kenilworth Dr., Pittsburgh 34, Pa. (Pittsburgh Plate Glass Co.) BAKER, Theodore C. (G) R.R. 1, Wayne, Ohio (Owens-Illinois Glass Co.) 1ABCOCK, Paul R. (W I) Frrreennchtown Porcelain Co. BALDAUF, Earl E. (W I) Flamingo Tile Corp., J3ox 112 ly npcchhttown, N. J. Lake Wales, Fla. |K & WILCOX CO. V Kohler) BALDRY, Stanley F. T. E. R. G. Industrial Corp., Ltd. m El. 42nd St., New York 17, N. Y. Luton Rd., Dunstable, Beds 3ACH, Carl H. (S) London, England Tuthill Bldg. Material Co. BALDWIN, W. J. (W) 545 E. 103rd St., Chicago 28, 111. Titanium Alloy Mfg. Div., 3ACH, William E,, Jr. (MJ) National Lead Co.', Box C 7712 Fontana, Prairie Village 15, Kans. Bridge Station, Niagara Falls, X. Y. (Aluminum Co. of America) BALINA, Marcelo O. 3ACHER, Holland R. (D) C.A.P.E.A., Lanus-KM 7 Rock Tavern, N. Y. C. Gral., Belgrano (White Cloud Farms, Inc.) Buenos Aires, Argentina 3ACHMAN, Charles D. (G) BALINKIN, Isay (W) Apt. 13-A, Arnold Dr., Millville, X. J. University of Cincinnati (Armstrong Cork Co l Cincinnati 21, Ohio BACHMAN, George S. (G) BALL, Albert L. (R) 151 W. Washington St., Shelbyville. Ind. Bay State Abrasive Products Co. (Pittsburgh Plate Glass Co.) Westboro, Mass. BACHMAN, Wheeler Carr (W) BALL BROTHERS CO. (G. A. Gregory) R.R. 5, Grafton, W. Va. Muncie, Ind. (Carr China Co.) BANISTER, Monte W. BACKUS, Mrs. Lulu S. (D) Y'MCA, 117 Wr. Monument Ave. 451 S. Goodman St., Rochester 7, X. Y. Davton, Ohio BACON, Frank R. (G) BAQUE, Harold W. (G) , 3153 Darlington Rd., Toledo 6, Ohio 1511 Mohican Dr., Pittsburgh 28, Pa. (Owens-Illinois Glass Co.) (Corhart Refractories Co.) BACON, James F. (G) BARBA, C. E., Sr. (M) . \ 130 Pritchard Ave., Corning, N. .Y. R.R. 1, Doylestown, Pa. (Coming Glass Works) (Globar Div., Carborundum Co.) BACON, Leslie R. (G) BARBA, C. E., Jr. (M) vResearch-s-nd Development Division Creek Rd., R.R. 1, Doylestown, Pa. ; ' Wyandotte Chemicals Corp. (Globar Div., Carborundum Co.) Y Wyandotte, Mich. BARBER, Stephen W. (G) BADGER, Alfred E. (GF) Owens-Illinois Glass Co. Libbey-Owens-Ford Glass Co. 1700 N. Westwood Ave., Toledo 1, Ohio 1701 E. Broadway, Toledo 5, Ohio BARBER, W. A., Jr. (S) b a e r , g . m . (R) Acme Brick Co., Box 425 i Remmey Son Co. Fort Worth, Texas ley St. & Delaware River BARBOUR, David J. (W F) .^^"adelphia 37, Pa. 345 E. Highland Dr., Zanesville, Ohio UOTrc. Richard A. (BJ) BARBRE, Norris H. (S) .15 Allerton Rd.. Shiloh. Dayton, Ohio Mellon Institute, 4400 Fifth Ave. BAGLEY. Norman H. (W) Pittsburgh 13, Pa. '. -, 11 Hillcrest Rd., Caldwell, N. J. BARIUM REDUCTION CORP. (Bell Telephone Laboratories, Inc.) (K. O. Priddy) BAILEY. Floyd (El) South Charleston 3, W. Va. 840 S. Sixth Ave.. Kankakee, III. BARKER, H arry L. (W) ;.""(A. O. Smith Corp.) Salem China Co., Salem, Ohio BAILEY, James (GF) BARKER, Rolland C. (G) : 95 Steele Rd., West Hartford 7, Conn. Glass Mfg. Dept., Lamp Div. _ (Plax Corp.) ` General Electric Co., Nela Park W .L EY , Richard J. Cleveland 12, Ohio Poulton & Co., Ltd. BARLETT, Helen B. (BF) -i Royat Doulton Potteries A C Spark Plug Div., . Burslem, Stoke-on-Trent, England General Motors Corp., Flint 2, Mich. BAILLAUD, Pierre BARNES, Harry H. (SI) ' . ' Etablissements Japy Freres Wah Chang Smelting & Refining Co. ' 6, Rue de Marignan of America, Inc., Glen Cove, N. Y. Paris VIII, France BAIN, Andrew R. BARNES, Wilson R. (R) Corhart Refractories Co. *Phe Whins, 26 Park Terrace 16th & Lee Sts., Louisville 10, Ky. Stirling, ' Scotland BARNETT, Charles W. H. (R) AIR, George J. (GFI) 53A Midland St., Worcester, Mass. ; Technical Products Division (Norton Co.) _ Corning Glass Works, Corning, X. Y. BARNEY, Ronald N. BAKER, Arvid H. (G) Box 1677, Georgia Tech., Atlanta, Ga. 89 Church St., Port Allegany, Pa. BARON, Jean (Pittsburgh Corning Corp.) 15, Place Carnot BAKER, Burton E. (R) Nancy (Meurthe et Moselle) France '1,, 15 Gwynlake Dr., Baltimore 7, Md. (Institut de Recherches (General Refractories Co.) de la Siderurgie) BAKER & CO., INC. (H. Klausmann) BARR, Harold N. (B) ic' 113 Astor St., Newark, N. J. Vitro Corp. of America "AKER, D. Martin (W) 200 Pleasant Valley Way ,1025 Gardner Blvd., Barberton, Ohio West Orange, N. J. fcio Brass Co.) BARR, Harry (M) Dunbar J. (R) Consolidated Feldspar Dept. .. S. Jefferson St., Mt. Union, Pa. International Minerals & Chemical Corp. (North American Refractories Co.) Box 1843, Trenton 7, N. J. "AKER Houston R. (G) BARR, Norman E. (BI) y f .- 158 E. Third St., Corning, N. Y. Eagle Picher Co., Box 290 : (Corning Glass Works) Research Dept., Joplin, Mo. % L . 33, No. 10 (1954) BARR, P.oMrt A. (E ) &o7 River Rd.. Fair Haven, N. J, (Carborundum Co.) BARR, Seymour J. (S) Shenandoah Brick & Tile Corp. Box 32, Winchester, Va. BARRETT, Harvey N,, Jr. (R) 2233 St. James Parkway Cleveland Heights, Ohio (Basic Refractories, Inc.) BARRETT, Maurice (Life) 8 Oxcliffe Rd. Morecambe and Heysham, England BARRETT, Wayne E. (S) R.R. 1, West Des Moines, la. (Central Engineering & Investment Co.) BARRINGER, Lawrence E. (W FI) 23 Front St.. Schenectady 5, N. Y. BARRON, Frank C. (W) R.R. 1, Box 142X, Telegraph Hill Rd. Keyport. N. J. (Atlantic Tile Mfg. Co.) BARROWS PORCELAIN ENAMEL CO. (Dee Charles Davis) Langdon Rd. & Penn R. R. Cincinnati 13, Ohio BARTA, R. Czechoslovak Ceramic and Glass Society Technicka ul.c.5. Praha XIX, Czechoslovakia BARTHOLOMEW', George A. (S) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. BARTLETT-COLLINS CO. (Harrison I. Bartlett) Sapulpa, Okla. BARTLETT, E. E. (G) 4387 Boca Chica Blvd. Brownsville, Texas (Bartlett-Collins Co.) BARTLETT, Harrison I. (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 andar- Caixa Postal 278, Sao Paulo, Brazil BASLER, Wayne G. (GJ) 5735 Gross Dr., Dayton, Ohio BASS, N. W. (R) Brush Beryllium Co., 4301 Perkins Ave. Cleveland 3, Ohio BASSETT. Leon B. (R) Box 284, Alfred, N. Y. (New York State College of Ceramics) BASSETT, Ray E. (S) _ Acme Brick Co.. Box 425 Fort Worth 1, Texas BASSETT, Robert (S) Staso Milling Division 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. (Pittsburgh 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. Petersburg, Fla. BATESON, H. Marshall 68 Spring Grove Loughton, Essex, England (Thermos, Ltd.) BAUER, Richard M. (M) 728 St. Louis Ave., Zanesville, Ohio (Mosaic Tile Co.) BAUER, Wolf G. (S) 5213 11th Ave., N. E.. Seattle 5, W'ash. (Pyro Mineral Engineering) BAULEKE. Maynard P. Ceramic Engineering Dept. Iowa State College, Ames, la. R oster 3 B A l'M, Frederick J . Jr. (B) BECKER. Walter D. (.S) E. 1. du Pont de Nemours & Co., Inc. Brookhaven Pressed Brick & Mfg. Co. Experimental Station, Chemical Dept. Box 542, Brookhaven, Miss. Wilmington, Del. . BEECHER, Milton F. (R F I) BAUMAXN, Henry X., Jr. (BFIJ 50 Woodland Rd., Holden, Mass. 1275 Wyoming Ave. BEELER, L. S. (R) Xiagara Falls. X. Y. Reynolds Metals Co., 2500 S. Third St. (Carborundum Co.) Louisville 1, Kv. BAUM ER. Leon X. (R) BEERMAX, Henry P. (B) 240 Rockingham Rd., Pittsburgh 38. Pa. I.T.E. Circuit Breaker Co. (Mellon Institute) Special Products Div., 601 E. Erie Ave. BAUMLER, Karl (Gj ` Philadelphia 34, Pa. Pittsburgh Corning Corp., Sedalia. Mo. BEERS, Roland F. (D) BAUSCH & LOMB OPTICAL CO. Box 1015, Troy, X. Y. (Murrav Scott) Rochester 2, X. Y. (Beers & Herov) BAYLISS, John M. (R) BEETOX, Earl E. (GI) 629 Frederick St., Lancaster, Ohio 1604 Lincoln St., Bethlehem, Pa. (Mullite Refractories Co.) (Western Electric Co.) BAYXHAM, Ronald O. . BEGIEN, Virginia Box 1046, Georgia Institute of Tech. American Ceramic Society Atlanta, Ga. 4055 X. High St. BAY STATE ABRASIVE Columbus 14, Ohio PRODUCTS CO. BEHNKE, Fred (RJ) (O. S. Buckner) Westboro, Mass. Sprague Electric Co. BEAL, D. S. iE ) North Adams, Mass. 15 Oak Dr., Poland, Ohio BEHREND, Oswald (R) (Youngstown Sheet & Tube Co.) 2557 Robinwood, Toledo, Ohio BEALS, M. Douglas (GI) (Owens-Illinois Glass Co.) Research Lab., Titanium Division BEHRINGER, H. L. (G) Xational Lead Co.. South Amboy, X. J. Tygart Valley Glass Co. BEALS, Robert J. (W I) Washington, Pa. 109 Ceramics Bldg. BEINLICH, Alfred W. (R) University of Illinois, Urbana, 111. 3404 19th Ave., Sheffield, Ala. BEAM, James R. (W FI) (Tennessee Valley Authority) Ludwig Rd., New Castle, Pa. BEINLICH, Justus J. (R) (Ceramic Engineering Service) United States Steel Corp., Room 2421 BEARD, Clinton L. (W I) 525 William Penn Place Bldg. Globe-Union. Inc., 900 E. Keefe Ave. Pittsburgh 30, Pa. Milwaukee, Wise. BELL, Kenneth E. (S) BEASLEY, Dennis R. (G) Saskatchewan Clay Products 3654 Piedmont Rd., Huntington, W. Va. Estevan, Sask., Canada (Sinclair Glass Co.) BELL, Richard (M) BEATHARD, Robert K. (W) Bell Clav Co., Gleason, Tenn. General Tile Corp., Box 38 BELL, W. C. (R) El Segundo. Calif. Dept, of Engineering Research BEATOX, Orville (W ) North Carolina State College Gem Clav Forming Co., Sebring, Ohio Raleigh, N. C. BEAUDOIX. Armand J. (EJ) BELLAMY, Harry T. (R) 3410 Archwood Ave., Cleveland 9, Ohio 2514 Pioneer Rd., Evanston, 111. (Ferro Corp.) * (Armour Research Foundation) BEAVER, Wallace W. (M) BELLAMY, L. B. (R) Brush Beryllium Co., 4301 Perkins Ave. Sterling Abrasives Division Cleveland 3, Ohio Cleveland Quarries Co., Box 801 BEAZELL, William H. (G) Tiffin, Ohio American Window Glass Co. BELLIDO, Bartolom Darnis 9 W. Park Wav, Pittsburgh 12, Pa. Director Gerente de ME.R.S.A. BEBBINGTOX. Philip J. (R) Lugones (Oviedo), Spain 2 Barker Lane, Saxonville, Mass. BELOW, Henry (W) (Arthur D. Little, Inc.) Pennsbury Pottery, Morrisville, Pa. t BECHTXER, Paul (M) BENBENEK, Raymond (SI) American Colloid Co. Merchandise Mart Plaza, Room 813 Chicago 54, III. BECK, Elmer W. (M) Ceramic Supply Co., Crooksville, Ohio BECK, Homer (S) Richland Shale Brick Co. Mansfield, Ohio BECK, Xorman R. (G) Carr-Lowrey Glass Co. Baltimore 3, Md. BECK. Roy D. (MI) 6330 Moraine Ave., Hammond, Ind. (Binks Mfg. Co.) BECK, Warren R. (B) Minnesota Mining & Mfg. Co. Central Research Bldg. St. Paul 6. Minn. BECKEMEYER. Harry J. <W) Research Laboratory 2302 Albright Dr., Greensboro, N. C. BENDER, Bob G. (GI) Rauland Corp., 4245 N. Knox Ave. Chicago 41, 111. BENDHEIM, R. W. (M) L. H. Butcher Co. 3628 E. Olympic Blvd. Los Angeles 23, Calif. BENEDICT, Virginia American Ceramic Society 4055 X. High St.. Columbus 14, Ohio BENJAMIN ELECTRIC MFG. CO. (Hovt P. Steele) Des Plaines, 111. BENNER, Stanley G. (E) General Ceramics Corp. Crow's Mill Rd., Keasbey, N. J. BENNER. W. J. (R) 730 Romona Rd., Wilmette, 111. (Pvro Refractories Co.) BENNETT, A, H. (G) American Optical Co., Research Center Universal-Rundle Corp. New Castle, Pa. Southbridge, Mass. BENNETT, A. Lee (RFI) BECKER, Bruce X. ( WJ) Gladding, McBean & Co. 602 X. Marshall St., Lancaster, Pa. 2901 Los Feliz Blvd. (Radio Corp. of America) Los Angeles 39, Calif. BECKER, Martin G. (S) BENNETT, Dwight G. (EF1) Brookhaven Pressed Brick & Mfg. Co. 204 Ceramics Bldg. Box 542, Brookhaven, Miss. L*niversity of Illinois, Urbana, 111. 4 R oster $ -$ BENNETT, Francis H. (R) Pratt & Whitney Aircraft, MDL D-950 East Hartford 8, Conn. BENNETT, Frederick R. (R) Box 325, Hartsville, S. C. (Carolina Refractories Co.) A BENNETT, Harry J. (W) ; Crooksvile China Co. Crooksville, Ohio BENNETT, Myles P. (R l) . 6552 N. 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 Hyattsville, 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, 111. BERGER, Donald Francis (G) 41 W. South St., Painesville, Ohio (Diamond Alkali Co.) BERGERON, Clifton G. (E l) 12027 W. Potter Rd. Milwaukee 13, Wise. (A. O. Smith Corp.) BERG-IVERSEN, Wiggo A /S Egersunds Fayancefabriks Co. Egersund, Norway BERKELHAMER, Louis H. (E l) 3621 W. Howard St., Skokie, IU. (Ohmite Mfg. Co.) BERNARDINI, Guy F. (W ) Box 70-A, R.R. 1, Latrobe, Pa. (Stupakoff Ceramic & Mfg. Co.) BERNS, Milton H. (M) 42 Dudley Ave., Hamburg, N. Y. . (Electro Refractories & Abrasives Corp.) BERNSTORF, Robert B. (W ) Box 679, East Liverpool, Ohio (Commercial Decal, Inc.) '1 BESSE, Richard W. (W) 481 Brattle Rd.. Syracuse, N. Y-. ,, ..j. (Onondaga Potterv Co.) ii BEST.-Edison F. (G) " A rif Libbey-Owens-Ford Glass Co. ' v 1701 E. Broadway, Toledo 5, Ohio ' ' BETHLEHEM STEEL CO. ; (Hobart M. Kraner) Bethlehem, Pa. BETTISON, L. S. (S) Chambers Brothers Co. 52nd & Media St., Philadelphia 31, Pa. BETZ, George C. (W FI) Metal & Thermit Corp., 100 E. 42nd St New York 17. N. Y. BETZ, Wilbert A. (WI U. S. Potters Assn. 104 E. Fourth St.. East Liverpool, Oh BEVTS, Ralph E. (E l) International Division, Ferro Corp. 4150 E. 56th St.. Cleveland 5, Ohio BEZBORODKO, David (G) , Mechanical Mirror Works, Inc. 661--663 Edgecombe Ave. New York 32. N. Y. B. G. CORP (Frank J. Fallon) Ridgefield. X. J. BICKFORD, Fred A. (G) Box 29, R.R. 2. Campbell. N. Y. (Corning Glass Works) BIDDLE, George J, (R) 208 S. LaSalle St.. Chicago 4, 111. . (Illinois Clay Products Co.) BIDDULPH, Albert 11 Holden Rd. Wolverhampton, England (Ferro Enamels. Ltd.) Ceramic Bulletin IELSTEIX, Han? O. (R) 267 Wilmington Ave.. Dayton 10, Ohio (Wright-Patterson A.F.B.) ILLIAN, Carroll J. (G) Owens-Illinois Glass Co. OGeneral Research Div. X. Westwood Ave., Toledo 1, Ohio ^S, David D. (G) 1Containers, Inc. Santa Fe A\e. Los Angeles 11, Calif. IRCH, Raymond E. (RFI) 1800 Farmers Bank Bldg. Pittsburgh 22. Pa. (Harbison-Walker Refractories Co.) ISHOP, Frederic L. (GF) Kimble Glass Co., Box 1035 Toledo 1, Ohio ISHOP, George J,, III (S) Guignard Brick Works. Box 480 Columbia, S. C. ISHOP, Harold E. (G) Owens-Coming Fiberglas Corp. Anderson, S. C. ISHOP, Laverne R. (R) Aluminum Co. of America 3300 Missouri Ave., East St. Louis, III. ISSELL, Don W,, Jr. (R I) : 850 Sherwood Dr., X. W., Beloit, Wise. (Ipsenlab of Rockford, Inc.) LACK, H. R. (G) ' Kimble Glass Co., 2626 Dorr St. : Toledo 1, Ohio LACK, James A. (D) 13700 Sparta Ave. X. W. ' ,\Kcnt City, Mich. ; (Continental Decalromania Co.) LACK, Lloyd V. (G) vr.RLR. 3, Murphy, N. C. LACKBURN, A. Reif (M I) ' J 204 N. State St., Westerville, Ohio (Ram, Inc.) LACKWOOD, James M. (R I) ; , S9 W. Royal Forest Blvd. ^^U um bus, Ohio ^^ H b o ru n d u m Co.) ;L * P ^ e n r y M., II (RJ) 339 N. Hoover Ave., Whittier, Calif. (North American Aviation) LAHA, Emil (R) ' 415 Ashmead Rd., Cheltenham, Pa. (Selas Corp. of America) LAIR, Gerald E. (G) . 3791 Monroe Ave.. Pittsford, N. Y. (Bausch & Lomb Optical Co.) LAIR, Marion W. (SF) 2131 S. Center St.. Terre Haute, Ind. '-(M anufacturers Equipment Co.) LAISON, Pierre Socit Des Electrodes Et Rfractaires "Savoie." 43, Rue de l'Industrie . Venissieux (Rhone), France LAKE, A. E. (R) 78 Park Ave., West Caldwell, N. J. s (International Engineering, Inc.) LAKE, Edwin M. (D) 1 Box 210, Mount Kisco, X. Y. LAKE, William V. (RI) Macklin Abrasive Co., Jackson, Mich. ;LANCHARD, M. Kenneth (E) A. O. Smith Corp., 3533 N. 27th St. . Milwaukee 1, Wise. !LAU, Henry H. (GFI) Federal Glass Co., 515 E. Innis Ave. Columbus 7, Ohio *LENK0, William Henry, Jr. (G) . 1412 Main St., Milton, W. Va. ; (Blenko Glass Co., Inc.) MESSING, Robert Lee (RI) 1720 Boneta Ave. Richmond Heights 17, Mo. jclede-Christy Co.) G. (G) fe Minerai Co., 18 W. Chelten Ave. Eiladelphia 44, Pa. `LISS, Roderick T. (S) Deister Concentrator Co. ` . 35 E. Center Si.. Xesquehoning, Pa. rQL. 33, No. 10 (1954) BLOCKSIDGE, Arthur B., Jr. (R) BONNOT, B T. (MF) Jones & Laughlin Steel Corp. Bonnot Co., Canton, Ohio 40 Longworth St.. Pittsburgh 7, l'a. BOONE, John W. iG) BLODGETT. Malcolm (S) 46 Rugby Rd.. Binghamton, N. Y. 660 Main St., Woburn, Mass. ( international Business Machines Corp.) (R. Guastavino Co.) * BOOTH, John F. BLODGETT. William E. (W) Hazleheatl Hall. Penistone, Nr. Sheffield 18 Mishawum Rd., Woburn, Mass. Sheffield, York, England (R. Guastavino Co.) (Hepworth Iron Co., Ltd.) BLOHM, Richard E. (XJ) BOOZE, M. C. iRFI 1625 Xorthern Parkway, Charles Taylor Sons Co. Baltimore 12, Md. Box 58, Annex Sta.. Cincinnati 14, Ohio (Rheem Manufacturing Co.) BOPP, Harold F. (GF) BLOOM, Ray A. (R) 67 Gorton St.. Corning. X. Y. Technical Library (.Corning Gla>> Works) Timken Roller Bearing Co. BORDARAMPE. P. J. Canton 6. Ohio A. P. Green Argentina, Piedras 383 BLOOR. C. A. (W) Buenos Aires Argentina Universal Clay Products Co. BOROM, Marcus P. Sandusky, Ohio Box 2933. Georgia In>titute of Tech. BLOORE, Robert Boulton Atlanta, Ga. Swinnertons, Ltd. BOROS. John i\Vi Hanley, Stoke-on-Trent. England 1140 E. JacV>on St. BLUE RIDGE GLASS CORP. Long Beach 5. Calif. (J. H. Lewis) Kingsport, Tenn. ( Pacific Tile and Porcelain Co.) BLUM, Seymour (I) BOSCH, F. M. 97 Pierce Rd.. Watertown, Mass. Lab. Anorganisch-Tech. & BLUME. Arthur J. (SI) Electro chemie Murray Tile Co., Cloverport, Ky. 22 Plateaustraat, Ghent, Belgium BLUMEXTHAL, George (W I) BOSLER, Krell (E) Golding-Keene Co., Keene, X. H. Florence Stove Co., Gardner, Mass. BLUNT, Royden A. (GF) BOTFIELD REFRACTORIES CO. Buck Glass Co. (George B. Botfieldl Fort Ave. & Lawrence St. Swanson & Clvmer Sts. Baltimore 30, Md. Philadelphia 47, Pa. BLYTHE COLOUR WORKS, LTD. BOTHE. James V. (GJ) Cresswell, Stoke-on-Trent, England 60 E. Fourth St., Corning, X. Y. BOARDMAN, Charlotte K. (R) (Coming Glass Works) Thomas A. Edison, Inc. BOTFIELD, George B. (R) 51 Lakeside Ave., West Orange, X. J. Botfield Refractories Co. BOBROWSKY, A. R. (R) Swanson & Clvmer Sts. 2012 Pontiac Road, R.R. 5 Philadelphia 47, Pa. Ann Arbor, Mich. BOUDER, Norman M., Jr. (G) (Ford Motor Co.) 4820 Roland Ave., Baltimore 10, Md. BOEKER, V. W. (GI) (Pemco Corp.) Owens-Coming Fiberglas Corp. BOULTBEE, Donald (EJ) 16 E. 56th St., Xew York, X. Y. 5508 Waveland Ave., Chicago, 111. BOGATAY, Paul (D) BOURDILLIAT, Felix 45 W. Weisheimer Rd. 3 F Rue du Docteur Roux Columbus 14, Ohio Paris XV, France (Ohio State University) BOURGERIE, R. D. (B) BOGXAR, Edwin J. (R I)' Radio Materials Corp. Bognar & Co., Inc., 1803 Oliver Bldg. 3325 X. California Ave.. Chicago 18, 111. Pittsburgh 22, Pa. BOVEE, Benedict A. (M) BOHN, Edward L. (R) 1837 Winter Rd. MuIIite Refractories Co.. Shelton, Conn. Grand Island. R.R., N. Y. BOLANOVICH, Melvin (S) (Globar Div.. Carborundum Co.) 3118 Palmer Sq., Chicago 47, III. BOWER, David X. (G) (Illinois Brick Co.) 3932 Rohr Dr., Toledo 13, Ohio BOLE, George A. (XF) (Owens-Illinois Glass Co.) Engineering Experiment Station BOWER. James A. (W ) Ohio State University 107 First St., Chester, W. Va. Columbus 10, Ohio (Taylor, Smith & Taylor Co.) BOLLINGER, Robert H. (MI) BOWERS. Donald J. (M) Georgia Kaolin Co., 433 N. Broad St. 950 Highland Dr.. Columbus 14, Ohio Elizabeth 3, N. J. (Battelle Memorial Institute) BOLON, David G. (RI) BOWES. Urban E. (GF) 1220 Russel Rd., Ann Arbor, Mich. Owens-Illinois Glass Co., Box 1035-1036 ( Norton Co.) Toledo 1, Ohio BOLTON, Harry L. (R) BOWMAN, D. Scott (M) Philadelphia Quartz Co. 818 E. Side Dr.. Geneva, 111. Public Ledger Bldg. (Carborundum Co.) Independence Square BOWMAN, Donald C. (E) Philadelphia 6, Pa. 170 N. Du Bois Ave., Elgin, Til BOLZ, Leonard H. (B) (Chicago Vitreous Corp.) National Bureau of Standards, Div. 9: 7 BOWMAN, Eugene D. (G) Conn. Ave. & Van Ness 824 Oakwood Ave.. Columbus 6, Ohio Washington 25, D. C. (Kimble Glass Co.) BONEBRAKE, H. P. (W) BOWMAN, John G. (W) Aluminum Co. of America, Alcoa Bldg. 341 S. Juliana St., Bedford, Pa. Pittsburgh 19, Pa. BOWNE, Martin S. (SI) BONK, John A. (G) Lee Clay Products Co., Inc. Coming Glass Works, Fallbrook Plant Clearfield, Kv. Corning, N. Y. BOYCE, Joseph (G) BONNER, Don B. (W) Vitro Mfg. Co., 60 Greenway Dr. 2149 E. 37th St., Los Angeles 11, Calif. Pittsburgh 4. Pa. (Bonner Engineering Co.) BOYCE. Robert E. (W) BONNOT CO. (B. T. Bonnot) Harker Pottery Co. Canton, Ohio East Liverpool, Ohio Roster 5 BOYD, Frank H. (M) S. G. Frantz Co., Inc, Box 1138, Trenton, X. J. BOYD, John E. (MIJ 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, 111. (Industrial Publications, Inc.) BOYNTON, Robert S. (X) National Lime Assn. '925 15th St. N. \Y. Washington 5, D. C. BOZZO, J. G. (G) Pierce Glass Co.. Port Allegany, Pa. BRACKB1LL, Charles E. (S) 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., Coming, N. Y. (Corning Glass Works) BRADLEY, Fennimore X. (W I) 906 E. Deleware. Urbana, 111. (University of Illinois) 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, 111. 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 1, Ohio BRAIN, Douglas G. (VV) 1960 Jane St., Toronto 15, Ont., Canada (Standard Sanitary & Dominion Radiator, Ltd.) BRAMLETT, William P,, Jr. (GI) Cumberland Rd.. R.R. 2, Millville, N. J. (Armstrong Cork Co.) BRANDT. Kristian H. (B) 1308 X. Wilson Ave.. Pasadena, Calif. (Solar Mfg. Co.) BRANDT. Martha W. (G) National Glass Budget 800 Grogan Bldg.. Pittsburgh 22, Pa. BRANDT, Neill M. (GF) Mellon Institute, 4400 Fifth Ave. Pittsburgh 13, Pa. BRANDT. William O. (RFI) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. BRANT, David G. (W I) Universal-Rundle Corp., Box 300 Redlands, Calif. BRASHARES, C. A. (R) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. 6 R osier BRASSF1E1.D, Henry C. (B) R.R. 1, Stevens Rd., Foster, Ohio (General Electric Co.) BRAUCKMAX, Alvin J. 3 Kern Ramble, Austin, Texas BRAY, A. C. (SJ) Western Clay Mfg. Co., Box 176 Helena, Mont. BRAY', Kenneth J. (W) Wenczel Tile Co., Trenton, X. J. BRAZEE, Erland Elektriska Svetsnings A/B Gothenburg, Sweden Brazilian Ceramic Society-- see Associacao Brasileira de Ceramica BREEDLOVE, James G. (W I) American Lava Corp. Chattanooga, Tenn. BREENE, George A. (G) Industrial Colloids Co. Emlenton, Pa. BREEZE, Lewis K. (E) 1244 Eastwood Ave., Mayfield Heights Cleveland 24, Ohio (Glascote Products, Inc.) BREITW IESER, 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, I. P. (S) Cooksville Co., Ltd., 1055 Yonge St. Toronto 5, Ont., Canada BRETZ, Lewis A. (S) 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. BRINKMAN, Robert J. (XJ) 3405 W. 90th St., Cleveland 2, Ohio (Carborundum Co.) BRISTOW, J. S. William Jessop & Sons, Ltd. Brightside Works, Sheffield, England BRISTOW, Robert H. (W I) 1348 Evergreen Ave. Schenectady 6, N. Y (General Electric Co.) BRITCHER, Gordon (S) 306 Berkeley Dr., Syracuse 10, X. Y. (Syracuse Pottery Co.) BRITISH CERAMIC SOCIETY North Staffordshire Technical College Stoke-on-Trent, England BRITTAIN. Clifford G. Box 1307, Clemson, S. C. BRITTON. Marvin 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. 3ROWN, Clarence B., Jr. (R) Hardinge Co., Inc., 205 W. Wacker Dr Chicago, 111. ' BROWN, Colin C. (R) 21 Medburv Ave., Cuba, N. Y. BROWN, Donald Xicol (G) 4 E. Third St., Corning, N. Y. (Corning Glass Works) BROWN, Donovan P. (RI) 420 Curtis Bldg., 2842 W. Grand Blvd. Detroit 2, Mich. (North American Refractories C o) 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. (S) Baltimore Brick Co. 3200 E. Madison St., Baltimore 5, Md. BROWN, Lawrence H. (W FI) Box 632, East Liverpool, Ohio (Hall China Co.) BROWN, Leslie (W) , Lenox, Inc., Trenton 5, N. J. BROWN, Meredith C. (S) 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, I1L BROWN, Roy W. (G) 3842 Grennoch St., Houston 25, Texas (Carborundum Co.) BROWN, Wilbur F. (GF) Libbey-Owens-Ford Glass Co. Rossford, Ohio Comstock & Westcott, Inc., Box 835 BROWN, William E. (R) Box 217, R.R. 1, Norristown, Pa. (E. J. Lavino it Co.) BROWNE, Thomas C. (RI) 2115 Orchard Dr. South Plainfield, N. J. (Titanium Div., National Lead Co.) BROWNELL, Wayne E. (BI) 126 Hornell St., Homell, N. Y. (New York State College of Ceramics) BRUEGGERHOFF, Charles (R) Mexican Zinc Co., N. Rosita Coahuila, Mexico BRUMMER, George M. 965 Sweet Home Rd. Williamsville 21, N. Y. BRUNNER, Cedric D. (W) 2223 Table Dr.. Golden, Colo. (Coors Porcelain Co.) BRUNO, Lucien V. (S ' Federal Seaboard Terra Cotta Corp Perth Amboy, X. J. BRUSH, George D. (SI) Harrop Ceramic Service Co. 35 E. Gay St., Room 413 Columbus 15, Ohio BRUSSE, William, Jr. (E) Temco, Inc., Nashville 9, Tenn. BRYANT, Albert D. (M) Standard Silica Corp. Box 407, Ottawa, 111. Ceramic Bulletin YANT, Eugene E. (E FI) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio YCE, Homer L. (X) Henderson Clay Products, Box 870 Henderson, Texas A. (RI) 3 ^ ^^R u h St., Benton, Ark. (S B ^ G re e n Fire Brick Co.) CK GLASS CO. (Royden A. Blunt) Fort Ave. & Lawrence St. Baltimore 30, Md. CK, Ivan E., Jr. (E l 300 Greenwood Ave., R.R. Cape Mav, X. J. CKLES, Paul E. (RI) 810 W. Sixth St.. Tyler, Texas (American Clav Forming Co.l CKNER, O. S. (GI) Bay State Abrasive Products Co. Westboro, Mass. EGE, Robert H. (\Y) Globe-Union, Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. EHLER, Bert P. (R) 2439 Torrington Ave., Parma 29, Ohio (Cleveland Builders Supply Co.) IESSEM, W. R. (B) Pennsylvania State University College of Mineral Industries State College, Pa. IFFALO POTTERY, INC. CR. E. Gould) 25 Hayes PI. Buffalo 10. N Y. JILDERS BRICK CO. ' (R. C. Houlahan) 800 Ninth Ave., S., Seattle, Wash. JK tA S , Bulent Sumerbank, Ankara, Turkey JLLARD, Edward R. (E) 4. F. Drakenfeld & Co., Inc. Washington, Pa. JNGE, Fred H. (M) M. A. Hanna Co., Research Lab. B flkng, Minn. J f l ^ B ) s c a r G. (GF) ^IH s-Illinois Glass Co. Box 1035--1036, Toledo 1. Ohio JRCHENAL, Charles H. (W) Cambridge Tile Mfg. Co., Box 71 Cincinnati 15, Ohio URCHFIEL, B. M. (R FI) 4458 Rosewood PI., Riverside, Calif. (Hancock Brick Co.) URCHFIELD, Paul E. (M) Wyandotte Chemicals Corp. 1609 Biddle Ave., Wvandotte, Mich. URDICK, Milton D. (W FI) Porcelain & Pottery Section National Bureau of Standards Washington 25, D. C. URDICK, Robert (R) Alfred University, Alfred, NT. 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 Lab. 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.) `URKERT, John G. Box 214, Alfred, N. Y. laBfcA LTER, Edward (SI) Interlaaken Dr. ^ K m a 99, Wash. (Builders Brick Co.') HJRKS, Cecil M.. Jr. (RI1 209 Hammes. Joliet. 111. (General Refractories Co.l ^ol. 33, No. 10 (1954) BURLEY, Frank N. (W ) 520 W. Ricketts St., Kokomo, Ind. (Kokomo Sanitary Pottery Corp.) BURLEY, Newton Ray (W) 1864 Dresden Rd., Zanesville, Ohio (Burlev Clay Products Co.) BURLINGAME, Howard G. (E) California Metal Enameling Co. 6904 E. Slauson Ave. Los Angeles 22, Calif. BURNAND, Guy M. (Life) Messrs. Johnson, Matthey & Co., Ltd. 78, Hatton Garden ` ' London. E. C. 1, England BURNS, Frederick L. (W) 1 777 Norwood Blvd., Zanesville, Ohio (W. I. Tvcer Pottery Co.) BURNS, Henry K,, Jr. (SI 1620 Waverland Dr., Macon. Ga. (Burns Brick Co.) BURNS, R.*S. (E) ' Armco Steel Corp., Research Library Middletown, Ohio BURRISS, William K. (G) Rm. 713, Caxton Bldg., 812 Huron Rd. Cleveland 15, 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.) BURTON, 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. (GI) 2531 Biownsville Rd., Pittsburgh 10, Pa. (Natco Corp.) BUSH, Ralph R. (M) 520 McKinley St., North Canton, Ohio (Bonnot Co.) ' BUSHONG, R. M. (R) National Carbon Co., Tiffin & Town Sts. Fostoria, Ohio BUSTEED, Donald J. (R I) 8 Janet Circle, Shrewsbury, Mass. (Bav State Abrasive Products Co.) BUTCHER, L. H,, CO. (R. W. Bendheim) 3628 E. Olympic Blvd. Los Angeles 23, Calif. BUTCHER, William T. "Woodgarth," 3 Stamford Brook Ave. London, W. 6, England (Goodlass Wall & Lead Industries, Ltd.) BUTKOVICH, Edward M. (R) 9000 Buffalo Ave., Chicago 17, 111. (Armour Research Foundation) BUTLER, C. Edward, Jr. 152 Elm St., Hudson, Ohio (Consultant) BUTLER, F. W. (W) Akron Porcelain Co., Akron 14, Ohio BUTLER, Mike W. (S) Box 816, Austin 64, Texas (Elgin-Butler Brick Co.) BUTLER, Thomas J., Jr. (S) 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 Aluminum & Chemical Corp. 124 Broadway, Oakland 12, Calif. c CABANIE, Lucien E Japy Freres. Fesches-Le-Chatel (Doubs) France CABLE, John A. (W) 1011 22nd St. N. E., Canton 4, Ohio (U. S. Quarry Tile Co.) CABLE, Margaret (DF) 1520 San Miguel Ave. Santa Barbara, Calif. CABLE, Stephen J. (W) 811 28th St. N. E., Canton, Ohio (Sparta Ceramic Co.) CABOT, GODFREY L,, INC. (Frank E. Daley) 105 Glen Dr. Yardley, Pa. CACCAMISE, Charles T. (M) Electro Metallurgical Co., 137 47th St. Niagara Falls, N. Y. CAHOON, G. J. (W I) Knox Porcelain Corp. Knoxville 11. Tenn. CAHOON, Harold P. (S) 1555 E. 3350 South Salt Lake City, Utah (Interstate Brick Co.) CAITO, A. M. (RI) Basic Refractories, Inc. Maple Grove, Ohio CALA, Charles F. (G) 144 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) Rolland Glass Co., Clarksburg, W . Va. CALDWELL, William D. (E l) Perfection Stove Co., 7609 Platt Ave. Cleveland 4, Ohio CALLAHAN, H. D. (W FI) U. S. Quarry Tile Co. East Sparta, Ohio CALLAHAN, Jerome T. 1081 Arlington Ave., 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, N.L., Mexico CAMERON, Robert Ayre (G) Coming Glass Works, Corning, N. Y. CAMPBELL, C. V. (MI) 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 Shelby St., Shelbyville, Ind. (Pittsburgh Plate Glass Co.) CAMPBELL, Ian (B) California Institute of Technology Pasadena 4, Calif. CAMPBELL, John D. (El Box 52, Orange, N. J. (Lithium Corp. of America, Inc.) CAMPBELL, Robert M. (W FI) Alfred, N. Y. (New York State College of Ceramics) CAMPBELL, 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. Orme) Cambridge, Ohio Roster 7 i CAMPOS, F. Torres CARROLL. William F. (Wl Puerto Rico Clay Products Co. 3499 McNally Ave., Altadena. Calif. Box 47-9. San Juan. Puerto Rico (Florence Ceramics Co.) CANADIAN CERAMIC SOCIETY CARRUTHERS. John L. <SFI> (Miss L. C. Keith. 49 Turner Rd. Lord Hall, Ohio State University Toronto 10. Ont., Canada Columbus 10, Ohio m C-UaiELD. j. j. (EF) CARTER. D. R. (M) Orlando Dr.. Middletown 20. Ohio Eagle-Picher Co. ^ H K n c o Steel Corp.) American Bldg., Cincinnati 1. Ohio CANNING, Robert (G) CARTER, F. B. (W I) 202 Fox Chapel Rd.. Pittsburgh 38, Pn Tiffin 12, Ohio (Pittsburgh Plate Glass Co.) (American Radiator & CAPELLMAN. John J. iR) Standard Sanitary Corp.) 1118 Highland St.. Tarentum 1, Pa. (Pittsburgh Plate Glass Co.) CAPPELLI, Louis A. Theta Xi House. 17 Fourth St.. N. \\ \ Atlanta. Ga. CAPPS, Hubert (Xl 1108 W. Third St.. CofFeyville. Kan-> (Ludowici-Celadon Co.) CAPPS, Webster (G> National Bureau of Standards CARTER, Herbert D. ( E F I) 3351 Dorchester Rd. Shaker Heights 20. Ohio (Harshaw Chemical Co.) CARTER, J. Guild (Ml 190 W. State St., Trenton. N. J. (Sales Representative) CARTWRIGHT. Robert A. 195 Tenth St., X. W,, Atlanta. Ga. Washine'on 25. D. C. CARTWRIGHT, S. V. (RI) CARBORUNDUM CO. (H. C. Martin) 1224 Victoria Ave., Corona, Calif. Niagara Falls. N. Y. (Jordan Tile Mfg. Co.) CARDER. Frederick (Honorary, GF) CASAMO, Charles C. (G) Steuben Div.. Corning Glass Works Sylvania Electric Products, Inc. Coming. X. Y. Emporium, Pa. CAREY, J. Sheldon <D> Dept. of Design. University of Kansas CASE, W. A., & SON MFG. CO. (Willard G. Young) Robinson, III. .. . Lawrence, Kans. CASSADY, Bert L. (R) CARINI, George F. 5115 S. Lewis Ave., Tulsa 15, Okla. 628 S. Seminole. Okmulgee, Okla. CASTANY, Charles I. (X) CARL, John E. (G il V Coming Glass Works _ 630 W. Winnipeg San Antonio 11, Texas . "( Central Falls, R. I. CASTERLINE, Dale R. CARLSON, Joseph A. (S) 243 Imperial Ave., Painted Post, N". Y. 50 Hawthorne St. CATHER, Helen Fisher (W) ; San Francisco 5, Calif. Box 2372, Laguna Beach, Calif. (Kraftile Co.) (Cather Kilns) CARLSON. William G, (RI) CATON, Milton W. (RF) 1452 Penn Ave.. Pittsburgh 21, Pa, 22490 Nevada Ave., East Detroit. Mich. fWestinghouse Electric Corp.) (Ceramic Div., Q f l | L E . Edward C. (S') Champion Spark Plug Co.) H i 128. Ironton. Ohio CAUTHORN, James E. (RJ) ^^TCarlvle Tile Co.) R.R. 4, Mexico, Mo. CARMI, Moshe CAVANAUGH, D. J. (W I) Box 1039. Alfred, X. Y. 822 32nd St., Parkersburg, W. Va. CARNAHAX. Thomas D. (MI) (U. S. Quarry Tile Co.) B. F. Drakenfeld & Co.. Inc. CAWOOD, Richard L. (M) Box 519. Washington. Pa. East Liverpool, Ohio CARNES, Kenneth C. (G) (Patterson Foundry & Machine Co.) - Toledo Engineering Co.. Inc. CAYFORD, James M. (E l) 3001 Sylvania Ave.. Toledo 13, Ohio 1317 Ridge Ave., Steubenville. Ohio CARNES. Samuel J. ( p ) (Toronto Paperboard Co.) Camark Pottery Co., Camden, Ark. CECIL, Paul S. (E) CARO, Robert (W ) Seaporcel Metals, Inc. , Hedi Schoop Art Creations, Box 384 28--20 Borden Ave. North Hollywood, Calif. Long Island City 1, N. Y. 'CAROTHERS. Harry S. (M) CENTRAL GLASS & - H. C. Spinks Clay Co., Inc. CERAMIC RES. INSTITUTE 1000 First National Bank Bldg. (Atma Ram) P. O. Jadavpur College *v*` Cincinnati 2. Ohio Calcutta 32, India CAROTHERS. R. B. (MF) CENTRAL SILICA CO. (E. C. Sawyer) H. C. Spinks Clay Co., Inc. 806 Market St., Zanesville, Ohio Box 829, Paris, Tenn. CERAMIC ASSOCIATION OF JAPAN CAROTHERS. Richard B,, Jr. (M) (Yogyo Kyokwai) H. C. Spinks Clay Co.. Inc. 7, Shiba- Nishikubo- Sakuragawacho Box 829. Paris, Tenn. Minato-ku, Tokyo, Japan CAROTHERS. T. E. (M) CERAMIC COLOR & 1700 Devereaux Dr.. Burlingame, Calif. CHEMICAL MFG. CO. (Gladding. McBean & Co.) (W. F. Wenning) CARPENTER. F. Scott. Jr. (W ) Box 297, New Brighton, Pa. White Pigments Division CERMAK, Frank (WF) Godfrey L. Cabot, Inc., 77 Franklin St. 1542 Union St., Schenectady 8, N. Y. Boston 10. Mass. CERNY, Joseph J. (E) CARPENTER. Woodrow (E) 5226-28 W. 26th St. Barrows Porcelain Enamel Co. Chicago 50 (Cicero) 111. Langdon Rd. & Penn. R. R. (Resistors, Inc.) ^ ^ C in cin n ati 13, Ohio CF.RULLI, Nicholas F. ^^ [-L O W R E Y GLASS CO. 73 Forest Ave., Caldwell. X. J. `^ H rX o rm a n R. Beck) Baltimore 3, Md. CHADEYRON, A. A. G. Ca r r o l l , Joseph (X) Cleveland Magnesite & Marquette University, Physics Dept. Refractory Co. Ltd. 1131 W. Wisconsin Ave. Normanby Brickworks. Normanby Milwaukee 3. Wise. Middlesbrough, York, England Vol. 33, No. 10 (1934) CHALAM, C. Venkata (J) Sodepore Glass Works, Ltd. Bhadaninagar T.P.O. 130 Hazaribagh District, Bihar, India CHAMBERLAIN, James M. W. (S) Box 350, Akron 9, Ohio (U. S. Stoneware Co.) CHAMBERLAIN, Richard S. (RI 2671 S. Clement Ave., Milwaukee. Wise. (Harrop Ceramic Service Co.) CHAMBERS. Gordon H. (M) Foote Mineral Co.. 18 W. Chelten Are. Philadelphia 44, Pa. CHAMBERS, J. Fred (Ml National Gvpsuni Co., Luckev, Ohio CHAMPION SPARK PLUG CO., CERAMIC DIV. (James S. Owens) 8525 Butler Ave.. Detroit 11. Mich. CHANDLER. Keith B. (W) 3160 W. 106th St., Cleveland 11. Ohio (Cleveland Ceramic Corp.) CHANTLER, L. W. (R) Standard Lime & Stone Co. Millville, W. Va. CHAPMAN, Frank E,, Jr. (E l) 5905 Hamilton Ave., Baltimore 6, Md. (Pemco Corp.) CHARBONNIER. 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. CHARLTON, Alex E. (W) Photoceramics. Inc. 1822 Western Ave., Cincinnati 14. Ohio CHARMAN. Walter M.. Jr. (R) Ferro Engineering Co. 1208 Hanna Bldg., Cleveland 15, Ohio CHARVAT. Fedia R. . Mass. Inst, of Technology 409 Graduate House Cambridge 39. Mass. CHASE, Dana (EF) Dana Chase Publications Elmhurst National Bank Bldg. York St. at Park Ave., Elmhurst, 111. 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 s/Loing Seine et Marne, France CHESLER, Isidor (M) 710 E. 14th St.. New York 9. X. Y. (Eagle Pencil Co.) CHESTER. A. E. (El Promat Division,( Poor & Co. 851 S. Market St., Waukegan. 111. CHESTERS, John H. (F) . United Steel Co., Ltd. Research & Development Dept. "Swinden House," Moorgate Rotherham, York. England CHICAGO HARDWARE FOUNDRY CO. (John J. Geraghty) North Chicago. 111. CHICAGO POTTERY CO. (J. S. Clifford) 1920 Clybourn Ave. Chicago 14, 11!. CHICAGO VITREOUS CORP. (William Hogenson) 1425 S. 55th Court Cicero 50, 111. CHILCOTE, Joseph H. (R) 1907 16th St.. N., Arlington 1. Va. (Bureau of Ships, Navy Dept.) CHILD, James L.. Jr. (Si Hancock Brick & Tile Co., Box 59 Findlav. Ohio CHILDS, Clayton G. (B) 2257 X. York St., Owensboro, Kv. (General Electric Co.) CHILDS, Edwin E,, Jr. (EJ) 3602 Bowers Ave.. Apt. A Baltimore 7. Md. (Pemco Corp i Roster 9 rHILDS, H. \Y. (\Y) CLARK, Roland J. (M) COHEN, Alvin J. (G) Bell Minerals Co., West Paris, Me. Precision Grinding Wheel Co., Inc. Mellon Institute, 4400 Fifth Ave. :HING, Tung Rey 8301 Torresdale Ave. Pittsburgh 13, Pa. 93 Chatham Rd., Kowloon, Hong Kong Philadelphia 36, Pa. COHEN, Arthur E. (G) THIOCHETTI, Vincent iG) CLARK, Thaddeus J. E. (W) Sylvania Electric Products, Inc. 32 Oak Square, South Attleboro, Mass. 113 Elmore Ave., Trenton 9, X. J. Cottage Place, Minela, X. Y. (_Owens-Corning Fiberglas Corp.) (Trenton Potteries Co.) COHEN, Bernard (G) BOYD & W H IT E CO. CLARKE, Ford K. (G) 204 Fall. St., Seneca Falls, X. Y. ^ ^ ^ B e r t A. Ebersole) 610 \V. 57th St. Philco Corp., Church Rd., Lansdale, Pa. (Svlvania Electric Products, Inc.) ^ K a g o 21, 111. CLAUS, Karl M. (W) COHEN, Joseph (M J) 3HIU, Hung-Wen (G) Mosaic Tile Co., Pershing Rd. Ferro Corp., Allied Engineering D i\. 204 Hudson Ave., Newark, Ohio Zanesville. Ohio 4150 E. 56th St., Cleveland, Ohio (Holophane Co., Inc.) CLAYCRAFT CO. (Phillip W. Tefft) COIN, R. H. (E) :HORMANN, O. I. (G) Box 866. Columbus 16, Ohio Ingram-Richardson, Inc. 195 Gregory Hill Rd., Rochester, X. Y. CLAYPOOLE, Stewart A. (G) Frankfort, Ind. (Pfaudler Co.i R.R. 2, Painted Post, N. Y. COLCORD, John E. (RJ) :HOTHIA, Boman S. (Corning Glass Works) 3425 Ethyl St., Clay Twp. Wadia Bldg., 137 Queen's Rd. CLEMENS, August, Jr. (M) South Bend, Ind. Bombay, India 205 E Gittings Ave., Baltimore 12. Md. ( Bendix Products Div.) CHRISTENSEN. Carl J. (R) (Arcrods Corp.) COLE, G. Percy (G) University of Utah CLEMENS. Eugene C. (SI) Dominion Glass Co., Ltd. Salt Lake Citv, Utah Cannelton Sewer Pipe Co. Box 190, Montreal, Que., Canada CHRISTENSEN, Chr. Cannelton. Ind. COLE. Sandford S. (BFI) Den Kongelige Porcelainsfabrik & CLEVELAND MUSEUM OF ART Titanium Division, National Lead Co. Fajancefabriken Aluminia A/S (William M. Milliken) Research Dept., Box 58 Smallegade 45, Copenhagen F., Denmark Cleveland 6, Ohio South Amboy, X. J. CHRISTIE, Leonard D., Jr. (R) CLEVELAND, Theodore K. (G) COLE, Sandford S., Jr. (R JI) 343 Sound Beach Ave. Sixth & Grayson Sts. Power Tube Div., Raytheon Mfg. Co. , Old Greenwich, Conn. Berkeley 10, Calif. Waltham 54, Mass. (Babcock & Wilcox Co.) (Philadelphia Quartz Co. of Calif.) COLEMAN, Caruthers A. (S) CHRISTMAN, Brian B. (W) CLEVENGER. Thomas R. 113 Cheapside, Lexington, Ky. it^ 5 ,, E g g e rt Ave., Metuchen, N. J. 7 Bartlett St. (Big Run Coal & Clay Co.) ' f^jfRiehmond Radiator Co.) New Brunswick, N. J. COLEMAN, J. C. (G) CHRISTMAN, C. E. (E) CLEVERLY, Robert B. (SI) 3746 Mapleway Dr., Toledo 14, Ohio "Federal Enameling & Stamping Co. American Vitrified Products Co. (Kimble Glass Co.) Pittsburgh, Pa. Box 364, Sta. A., East Liverpool, Ohio COLEMAN, Robert L. (SI) CHRISTMAN, H. M. (RI) CLEWS, Francis H. 467 Dogwood, Park Forest ,;:;1023 Roosevelt, N. E., Massillon, Ohio British Ceramic Research Assn. Chicago Heights, 111. -! .(Massillon Refractories Co.) Queens Rd., Penkhull (Chicago Brick Co.) CHRISTOPHER, A. B. (S) Stoke-on-Trent, England COLEMAN, Thomas B. (S) - Chambers Bros. Co., 52 & Media CLICK. Roy, Jr. 635 Tarboro St., Rocky Mount, N. C. ; [Philadelphia 6, Pa. University of Alabama, Box 791 (Nash Brick Co., Inc.) CHU..Gordon P. K. University, Ala. COLLIER, Roger E. ' Research Laboratory, Pfaudler Co. CLIFFORD, J. S. (W) 770 Techwood Dr., N. \V., Atlanta, Ga. West Ave., Rochester 3, N. Y. Chicago Pottery Co. COLLINS, G. F. (G) 1920 Clvbourn Ave., Chicago 14. 111. Pittsburgh Plate Glass Co., Box 750 pPrince Edward Rd. CLIFT. Robert E., Jr. (X) Henrvetta, Okla. vloon, Hong Kong Cove Rd., Stonington, Conn. COLLINS, Paul F. (W I) CIA. MEXICANA DE REFRACTARIOS CLINE, I. R. (S) Microcast Div., Austenal Labs., Inc. A. P. GREEN, S. A. (H. Fetter) Western Brick Co., Danville, III. 7001 S. Chicago Ave., Chicago 37, 111. Hamburgo 51, Apartado Postal 71 Bis CLINE, Robert \V. (W I) COLLINS. Robert (G) Mexico, D. F. 377 Main St.. East Aurora, N. Y. 89 Union St., East Rutherford. X. J. CICHOWSKI, V. J. (E l (Onondaga Pottery Co.) (Westinghouse Electric Corp.) Fusite Corp., 6028 Fernview Ave. CLIXGAN. J. R. T. (R) COLLINS. William G. (M l) Cincinnati 13, Ohio Niles Fire Brick Co., 165 E. Park Ave., Johns-Manville Corp., Waukegan. III. CINCINNATI MILLING PRODS. DIV. Niles. Ohio COLONIAL INSULATOR CO. CINCINNATI M ILLING MACHINE CLIPPER DIAMOND TOOL CO., INC. (R. W. Hemphill) 945 Grant St. CO. (Hayward A. Gay) (Joseph Klipper) 21 W. 46th St. Akron 11, Ohio 4701 Marburg Ave.. Cincinnati 9, Ohio New York 36. N. Y. COLOSKY, Benjamin P. CLARE, Robert L. (SFI) CLOSE, Paul (G ) 1621 Windrew Ave. ,, -212 Rector St., Perth Amboy, X. J. Owens-Illinois Glass Co. South Plainfield. Nr. J. CLARK, Alec W. Box 1035-6, Toledo, Ohio COLUCCI, George M. (W) Beatson, Clark & Co., Ltd. CLOUGH, Philip J. (R) 2459 S. Seneca Ave., Alliance, Ohio Rotherham, York, England CLARK, C. Burton (R) 113 DeArment Parkway Pittsburgh 28, Pa. (Harbison-Walker Refractories Co.) CLARK, Horace N. (R) Refractory & Insulation Corp. 120 Wall St., New York 5, N. Y. '-LARK, James L. (S> 5 Stuart St., Denver. Colo. rT (Robinson Brick & Tile Co.) ^ l a r k , John D (XI) National Research Corp. (Royal China Co.) 70 Memorial Dr., Cambridge 42, MassC. OLUMBIA FIRE BRICK CO. COATES, Bill (SF) (M. L. Hamaker) Coates Co., Box 935, Austin, Texas First National Bank Bldg. COBLE, Robert L. , Canton 2, Ohio Massachusetts Institute of Technology COLUMBIA-SOUTHERN Room 2-067, Cambridge, Mass. CHEMICAL CORP. <R. W. Miller) COEN, Bernard (W ) One Gateway Center, Pittsburgh 22, Pa. Woodbridge Sanitary Pottery Corp. COMEFORO, J. E. (B) 500 Green St., Woodbridge, X. J. 70 Roberts Dr., Bedford, Mass. COFFEEX. William W. (E FI) (Sylvania Electric Products. Inc.) 656 Lindley Rd.. Glenside, Pa. (Foote Mineral Co.) LXARK, John R., Jr. (S) m .^yashington Brick Co.. Muirkirk, Md. LXARK, John T. (W) 1024 Boulevard, Westfield, N. J. (Metal & Thermit Corp.) COFFER, L. Wallace (R) Extractive Metallurgy Division Battelle Memorial Institute COMMERCIAL DECAL, INC. (Alfred Duhrssen) East Liverpool. Ohio COMMERCIALORES, INC. (Albert R. Eckel) Clover, S. C. COMMONS, Charles H., Jr. (W FI) ' Ragle-Picher Co., American Bldg. 505 King Ave., Columbus 1, Ohio Foote Mineral Co.. Berwyn, Pa. Cincinnati 1, Ohio COFFIN, Leon B. (W) COMPAGNUCCI, Julius P. (W) t L ARK, Keith R. (W) Andover, X. Y. Bay Ridge Specialty Co., Inc. Mfg. Corp. (Alfred University) Trenton 6, N. J. frfith St. & Seville Ave. COGEN, Saul (S) COMPANHIA PAULISTA .-- j Angeles 58, Calif. Davidson Brick Co., 4701 Floral Dr. DE MINERACAO LLARK, Richard E. (MI) Los Angeles 22. Calif. (Eduardo C. Simonsen) Sparta Ceramic Co. East Sparta, Ohio COHEN, Aaron (S) Box 405, Willamina, Ore. Rua Boa Vista 84-7 Andar Sao Paulo, Brazil VOL. 33, No. 10 (194) Roster 11 OXARD, John B. (5) 600 Hawthorne Lane. Mansfield, Ohio (Richland Shale Brick Co.) OXDOX, Edward U. (G) 5 Crestwood Rd . Corning, X. V. (Corning Glass Works.) Q ^fl^Carroll (Gi |Virginia Ave., Columbus 12, Ohio du Pom de Xemours & Co.) OXN, Willi' M. (Gi 6312 Indiana A\c., Kansas City 30. Mo. (Consultant i OXNELL, George A. iBt Pacific Coast Borax Cm.. Box 9128 Station S. Lo Angeles 5. Calif. ONNELLY, Daniel S. (Ri 2801 X. Park Blvd. Cleveland Heights 18. Ohio (Tocco Div.. Ohio Crankshaft Co.) ONOVER. Ra> C (RI) Gladding. McBean & Co. 2901 Los Feliz Bhd. ' Los Angeles 3Q. Calif. ONRAD, Charles E.. Jr. (G) Libbey-Owens-Ford Glass Co. Box 4278, Charleston 4, W. Va. ONRAD, Keith <G) Owens-Illinois Glass Co. 1700 X. Westwood, Toledo 6, Ohio ONROE, Barden A. (GJ) 93 Gorton St.. Corning, X. Y. (Corning Glass Works) ONSOLIDATED GLASS WORKS, LTD. (I. Donen) Box 562 ... - Germiston, Transvaal. South Africa ONSUMERS GLASS CO., LTD. (John X. Jordan) Box 456, Station B . Montreal, Que., Canada NTARDI, William A. (W I) 206 Highland Ave., Metuchen, N. J. (Automatic Mfg. Co.) OOK, Eugene M. (G) 509 Broadlawn Terrace, Vineland, X. J. Ji^m ble Glass Co.) O ^^^H erm an L. (EF) ^ H rB e a rd s le y Ave., Muskegon, Mich. (Norge Div., Borg-Warner Corp.) OOK, Leslie J. (M) 1621 Reliez Valley Rd. Lafayette. Calif. (Leslie Cook Laboratories) OOK MANUFACTURING CO. (Edgar H. Freeman) Box 157 Walnut. Calif. OOK, Ralph L. ( EF ) 204 Ceramics Bldg. University of Illinois. Urbana, 111. OOKE, Charles C. (G) 2858 S. 109th St.. Toledo 11, Ohio (Owens-Illinois Glass Co.) OOKE, David C. (W I) 25 Chestnut St.. Haddonfietd, X. J. (Universal-Rundle Corp.) OOKE, Robert S. (E l Industrial Centre # 5 Quebec, Que.. Canada (Crane Steelware, Ltd.) OOKE, William C. (G) Blue Ridge Glass Corp. Kingsport. Tenn. OOMBS, W. M. (G) Owens-Illinois Glass Co. . Bridgeton Plant No. 14, Bridgeton, X. J. OOPER. Alfred R. (G) 232 Dauntless Lane, Hartford, Conn. (Hartford Empire Co.) OOPER, George 1. ( \\*) 401-Mackley Apts., Philadelphia 24, Pa. (Signal Corps Supply Agency) OOPER, Walter W. (M) ^Chemical Co. Janie Chemicals Sales and, Mich. OOPER, William G. (WI 19316 Stockton Ave. Maple Heights. Ohio (Ferro Corp 1 OL. 33, No. 10 (11.V4) COORS PORCELAIN CO. (H. W. Ryland) 600 Ninth St. (.olden, Colo. COPE. William E. (Ml Barela} Machine, Inc. Box 146, Sebring, Ohitt COPPIXG. J. W. (W) Switchgear & industry Control Dept. Canadian General Electric Co.. Ltd. Parr St.. Peterborough. Out.. Canada CORBAX. Wilbur H. (W) 31u8 Dresden Rd., Zanesville. Ohio (Ceramic Supplv Ct>.> CORBETT, Keith T. 26341 Park Lawn Dr., Euclid 17. Ohin CORBMAX. Morriss (S> Xew Jersey Shale Brick & Tile Con. Box 249, Somerville, X. J. CORDES, John E. (W ll 5333 Humboldt Ave., S. Minneapolis 19. Minn. (Lithium Corp. of America, Inc.) CORHART REFRACTORIES CO., INC. (Frederick S. Thompson) 1600 W. Lee St., Louisville 10, Kv. CORNING GLASS WORKS (J. T. Littleton) Corning, X. Y. CORXISH. Frank L. (G) Corning Glass Works, Charleroi, Pa. CORXWELL, George L. (B) 171 Eiseman, Kenmore 17, X. Y. (Exoion Co.) CORSOX, Robert (GJ) 203 E. Valley St., Endicott, X. Y. CORWIN, Rudolph E. (R) Applied Physics Laboratory University of Washington 1013 E. 40th St., Seattle 5, Wash. COSOLITO, Bartolo G. Box BB, Alfred. X. Y. COUCH. Albert H. (RFI) Libbev-Owens-Ford Glass Co. 1701 E. Broadwav, Toledo 5, Ohio COUGHAXOUR, L. W. (B) 5515 Oakmont Ave., Bethesda 14, Md l National Bureau of Standards) COUNTS. William E. (B) 164*) Euclid Ave., Flint, Mich. (A. C. Spark Plug Div. General Motors Corp.) COURT, Richard A. (G) Box 109, South Woodstock, Conn. (American Optical Co.) COURT, G. R. (EJ) 743 S. Osborn Ave., Kankakee. 111. (A. O. Smith Corp.) COURTER, R. F. (M) Globar Div., Carborundum Co. Niagara Falls, X. Y. COURTNEY, Scott J. (G) B. F. Drakenfeld & Co. 45-47 Park PL, Xew York 7, X. Y. COVAX, H. E. (S) 464 Canyon Dr., X., Columbus. Ohio (Orton Ceramic Foundation) COWAX, J. G. "Roselands," Billington Haughton, Staff, England (Universal Grinding Wheel Co.) COWAX. R. Guy (DF) 416 Brooklea Dr.. Fayetteville, X. Y. (Onondaga Potterv Co.) COWAX. Robert E. 204 Ceramics Bldg. Universi-tv of Illinois. Urbana. Ill COWELL. J.'Robert. Jr. (G) Woodville Lime Products Co. 2140 Jefferson Ave. Toledo 2. Ohio COWLES. Robert J. (W) Quality Components. Inc. St. Marvs. Pa. COWLING. Kenneth W. "9 Norwood Rd. Sheffield 5. England (Thos. Marshall' & Co., Ltd.) COX. Edwin H. (\V) 20111 Wickfield Ave. Cle\eland 22. Ohio t Ferro Corp.) COX, John E. (R.) The Horse Head Inn. Palmerton, Pa. (Xew Jersey Zinc Co.) COX. Paul E. (SFl 520 X. Tenth St., Baton Rouge S, La. (Louisiana Geological Survey i COX, Samuel F. (G) ' Pittsburgh Plate Glass Co. Creighton, Pa. COX. Shaun M. J. A. Jobling & Co., Ltd. Wear Glass Works Sunderland. Durham, England COY. John Joel (El 1680 Victoria Park Ave.. Wexford V. U Toronto. Ont.. Canada 1Frigidaire Products of Canada Ltd. ' CRAFT, R. S. (R) Findlay Clay Products Co. Washington. Fa. CRAIG, Bruce G (E) 4520 X. 148th, Milwaukee. Wic (A. O. Smith Corp.) CRAIG. David M.. Jr. (G) Pittsburgh Plate Glass Co. 420 Fort Diujuesne Blvd. Pittsburgh 22, Pa. CRAIG, James W. (R) Canadian Refractories, Ltd. 1050 Canada Cement Bldg. Montreal 2, Que., Canada CRAIG. John D.t Jr. (M) Pennsylvania Pulverizing Co. 2 Gatewav Center, Pittsburgh 22, Pa CRAIN, Harold H.. Jr. Port Matilda, Pa. CRAMER, W. E. (W FI) Industrial Ceramic Products. Inc. 965 W. Fifth Ave., Columbus 8. Ohio CRANDALL, Eugene R. (RI) 258 Gulf St.. Milford, Conn. (Mullite Refractories Co.) CRANDALL, James R. (E l) 4514 Chestnut St., Bethesda 14. Md (National Bureau of Standards) CRANDALL, William B. (RI i Box 707, Alfred. X. Y. (O.X.R. Research Project! CRAXDOX, A. S. (G) American Window Glass Co. 9 W. Park Wav. Pittsburgh 12. Pa. CRANE CO. (W. M. Hamilton) Chattanooga Div., Chattanooga. Tenu CRAWFORD. George E. (W FI) 221 Sumner Ave., Xew Castle. Pa. {Universal-Rundle Corp.) CRAWFORD, George S. (M) Research Council of Alberta University of Alberta Edmonton, Alta., Canada CRAWFORD, J. C., Jr. (R) Johns-Manville Sales Corp. 22 E. 40th St.. Xew York 16, X. Y. CRAWFORD, J. L. (RFI) 740 Brittany Lane Universitv City 24, Mo. CREED, Michael B. (R) 63 Marvel Rd., Xew Haven, 0*:m. (Mullite Refractories Co.) CRESOX. Walter F. (R) Babcock & Wilcox Co. 1220 National City Bank Bldg Cleveland 14, Ohio CRESS, William C. (RI) Carolina Ceramics, Inc. R.R. 3, Columbia. S. C. CRESSY, Morton (G) Hartford-Empire Co. 333 Homestead Ave., Hartford 2. Conn CRIDER. Paul H. (E) Butler Dr., Turtle Creek, Ta (U. S. Steel Corp.) S. A. CRI STALERIAS DEL URUGUAY (Francisco J. Gercar) Comercio 1491 Montevideo. Uruguav CROCKETT. William E. (X) 1215 XL Arlington Ave. Indianapolis, Ind. (Sales Engineer) Roster 13 BONIN CHINA CO. Minerva, Ohio ROXIX, Leo J. ( R > 56 MacArthur Rd.. Natick, Mass. (Raytheon Mfg. Co l RONINGER, George J. (Mi Wahl, Inc., Brocton, N. Y. Arthur H. ( M ) lare Lead & Fluorspar Mining Co. Box 49, Rosiclare. 111. 'RONN, Eduard Steingutfabrik Sellwarzwaid, G.M.B.H. Hornberg (Schuarzwaldbahn), Germany 'ROOK, Charles Edmund (M 1 Los Angeles Chemical Co. 1960 Santa Ec Ave. Los Angeles 21. Calif. TROOKSTOX. Jame> A. (RI) 28 Alton Dr.. Pittsburgh 34. Pa. (Harbison-Walker Refractories Co.) CROOKSVILLE CHINA CO. (Harry J. Bennett ) Crooksville, Ohio .'ROOM, Henry C. 1112 S. Tarlxru St.. Wilson, X. C. CROOM, Milton M. (X) 2011/* Groveland Ave.. Raleigh, X. C. (N. C. Dept, of Conservation & Development I CROSBY, Donald P. (RI) . .Harbison-Walker Refractories Co. Fulton, Mo. CRQSKEY, Carl D. (W ) ` 061 Morrow Ave., Schenectady 9, N. Y. (Locke Dept., General Electric Co.} CROSS, A. H. B. '.- Brown-Firth Research Lab. -A Princess St., Sheffield 4, York, England CROSSAN, W. A. <S) . ..^Metropolitan Brick, Inc. 'A1017 RenkertfBldg.. Canton 2, Ohio CROSSLEY MACHINE CO. ' .. (William J. Harris) Trenton 9, X'. J. CROWE, Samuel H., Jr. (G) ,y;416 Mississippi Ave.. Crystal City, Mo. ^ ttttsb u rg h Plate Glass Co.) < ^ H , E Y , Henry L. (B) ^ i^ ^ e n tr a l Ave.. West Orange, X. J. (Henry L. Crowlev & Co., Inc.) CROWLEY, Michael S. (RJI) 244 Alleghenv. Park Forest, 111. (Standard Oil Co.--Indiana) CROZIER, George W. Box 827, Alfred, X. Y. CRUIKSHAX'K, C. L. (M> Great Lakes Foundry Sand Co. 720 United Artists Bldg. Detroit 26. Mich. CULBERTSON, J. H. (W ) . ...^National Ceramic Co. A-*500 Southard St., Trenton 2, N. J. frVMMlNS, Arthur B. (B) . - Morning Glory Rd., Bound Brook, N. J. (Johns-Manville Co.) CUMMINS, Robert K. (G) a- General Electric Co., 1133 E. 152nd St. Cleveland 10. Ohio CUKLIFFE. J. A (W) 266 Seventh St. . Medicine Hat. Alta.. Canada " (Medicine Hat Brick & Tile Co.. Ltd.) CUNNINGHAM, j . h .. Jr. (S) Cunningham Brick Co., Thomasville, X. C. . CUNNINGHAM. Robert J. (G) 56 W. Channel St., Newark, Ohio - . (Owens-Coming Fiberglas Corp.) CURCIO. Anthony L. (WT) - .21 Church St., Bound Brook, X. J. a ; (Automatic Mfg. Corp.) VURRAN, EDWARD . E n g in e e r in g , l t d . ( d . Ryan) ^tfbC&rdiff, Wales ^ ^ ^ B A X , Martin T. 562, Alfred. X. Y. ffVRAN, Robert (R l) .J,,y. 75-08 35th Ave. A Jackson Heights 72. X. Y. ' (Plibrico Co.) yL. 33, No. 10 (1954) CURRV William J., Jr. (R) Hiram Swank's Sons, Box 630 Johnstown, Pa. CURTIS. Carl E. (RI) 404 W. Vanderbilt Dr. Oak Ridge, Tenn. ,, (Carbide & Carbon Chemical Corp.) CURTIS, William H., Jr. 5^ Crosbv St., Hornell. X, Y. CURTS, R. M. <G> American Potash & Chemical Corp. 122 E. 42nd St.. Xew York 17, X. Y. CUTHILL. John R. <E>. Enameled Metals Section National Bureau of Standards Washington 25, D. C. CUTLER. Ivan B. |B> 220 Mines Bldg., University of Utah Salt Lake Citv 1. Utah CZARXECKI. Kamil B. 75 Queen's (ate * London. S. W. 7, England (Aglite, 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. (MFI) 5628 Greenbush, Van Nuys, Calif. (H. C. Spinks Clav 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) 234 Delevan Ave., Coming. X. Y. (Corning Glass Works) DALY, Howard J.. Jr. (I) Norton Co., New Bond St. Worcester 6, Mass. DAMERELL, Marguerite (W) Exton, Pa. (Damerell Mfg. Co.) DAMMAXX, Richard W. (S) 19 Parkway Lane, Bradford, Pa. (Hanlev Co.) DANIELSON, R. R. (EFI) Metal & Thermit Corp., Carteret, X. J. DANK, Milton (G) Owens-Illinois Glass Co. 1700 X. Westwood Ave., Toledo 7, Ohio DANKS, William H. (G) 216 Mississippi Ave., Crystal City, Mo. (Pittsburgh Plate Glass Co.) DARBY, George M. (M) 61 Washington Ave., Westport, Conn. (Dorr Co.) DARLING, D. G. (S) Toronto Brick Co., Ltd. 425 Bayview Ave. Toronto 17, Ont., Canada DARRAH, W. A. (G) 901 X. Oak Park Blvcl., Oak Park, III. (Continental Industrial Engineers. Inc.) DAS GUPTA, A. K. (W l Solar Mfg. Corp. 46th St. & Seville Ave. Los Angeles 58, Calif. DAUMKE. Arthur H. (E) 4451 X. California Ave. Chicago 25, 111. (Harshaw Chemical Co.) DAUWALTER, A. C. (S > W. S. Dickey Clay Mfg. Co. 607 Commerce Trust Bldg. Kansas City 6, Mo. DAVEY. Earl R. (W) Canadian Ohio Brass Co., Ltd. Niagara Falls, Ont., Canada DAVEY, Frederick K. (B) 20 Seminary Ave., Lutherville, Md. (Friez Instrument Div., Bendix Aviation Corp.) DAVIES, Chester A. (W l) Park Lake Ave., Titusville, X. J. (American Radiator & Standard Sanitary Corp.) DAVIES. Edward G. (G) Dominion Glass Co., Ltd. W'allaceburg. Ont., Canada DAVIES, Thomas H. (C, > Mellon Institute, 4400 Fifth A\c. Pittsburgh 13, Pa. DAVIS. Earl K. (G) Bausch & I.omb Optical Co. Rochester, X. Y. DAVIS, Dee Charles (E) Barrows Porcelain Enamel Co Langdon Rd. & Penn R. R. Cincinnati 13, Ohio DAVIS FIR E BRICK CO. Oak Hill, Ohio DAVIS, Harry E. (WFI> Universal Potteries, Inc. Cambridge, Ohio DAVIS, H. M. (E) Pennsylvania State University Mineral Industries Bldg. State College, Pa. DAVIS, James K. (G) 211 Walnut St., Elmira, X. Y. (Corning Glass Works) DAVIS. X. B. (M) Canadian Flint & Spar Co.. Ltd. Room 512, 140 Wellington St. Ottawa, Ont., Canada DAVIS. Sam H., Jr. (W) 808 X. Howard, Robinson, 111. (W. A. Case & Son Mfg. Co.) DAY, Arthur L. (Honorary, G) 9113 Old Georgetown Rd. Bethesda 14, Md. DAY, Charles M. (R) Valley Dolomite Corp. Rnt. 7%. Arcade Bldg. 812 Olive St.. St. Louis 1, Mo. DAY. Frank, Jr. (G) Corning Glass Works. Corning, X. Y. DAY. Jack F. (W l) 835 Forest Ave., Zanesville, Ohio DAY, Ralph K. fGFI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway. Toledo 5. Ohio DAY. Robert B. (SI) 516 S. Walnut St., Brazil, Ind. (Arketex Ceramic Corp.) DEADWYLER. Earnest W. (I) 61 Winthrop Rd,, Columbus 14. Ohio DEAR, Paul S. (BFI) Virginia Polytechnic Institute Box 205. Blacksburg, Va. DE BECK. Hubert O. (M) Box 264, Johnson City, Tenn. (Consulting Engineer) DEBENHAM, W. S. (E l) United States Steel Corp. 525 William Penn PI. Pittsburgh 30, Pa. DECKER. Alfred R. (M) 811 X. Seventh St. Cambridge. Ohio DECKER. Edward L. (E) 825 Exeter Hall Ave. Baltimore 18, Md. (Penico Corp.) DE COURSEY. Donald T. 688 Florida Ave., Pittsburgh 28, Pa. DEETH, H. R. (M) American Nepheline Ltd. Lakefield, Ont.. Canada de FELICE, Ralph (D) 28 Shore Cliff PI. Great Neck, Long Island, X. Y, (Abels, Wasserberg & Co.) DEIGN AX, Charles J. (SI) 120 X. Everett Ave., Columbus. Ohio (Claycraft Co.) R o s t e r 15 ELAHOY, David L. (Ri 8610 Bollier Ave.. Niagara Falls. N. Y. (Harper Electric Furnace Corp.) LEEUVV, Peter Central Post Office Box 323 Txo*ktyou, Japan j a ^ borundum Co.l ^ O , Cyril B. (Gl m wGlass Industry 55 W. 42nd St.. New York 36. X. Y. leLONG, Hermon \Y.. Ill (G) 67 Main St.. Dansville. X. Y. (Eastman Kodak Co. I >EMAISOX, R. J. (R! Quigley Co., Inc.. 527 Fifth Ave. New York 17, X. Y. }eMARIA, Vincent C. (G) 1468 Wms. Bridge Rd., Bronx 61. X. Y. (Sylvania Electric Products. Inc.) DEMING, Wilbur S.. Jr. (M) . C. Tennant. Sons & Co. of New York 100 Park Ave., New York 17, X. \ r. DEMONGEOT. Henri (D) Interkiln Overseas Corp. Box 1348, Grand Central New York 17, X. Y. DEMUTH GLASS WORKS, INC. (Willard B. Midgettel Box 629 'Parkersburg. W. Va. DJ5NEEN, W. F. (Ml Carolina Feldspar Corp. ljiErwin, Tenn. fipNERO, John V. (RJ Prospect St.. Apt. 3 Vt&Aiance, Ohio .- - ; ; j f (Babcock & Wilcox Research Center) DENISON EN G IN EER IN G CO., T H E . C. Denison) 1160 Dublin Rd. Sjrtumbus 16, Ohio ISON, George W. (SF) Clay Co.. Box 1776 veland 5. Ohio ISON, Norman E. (S) HOhio Clay Co., Box 1776 M veland 5, Ohio IN, W. C. (M) ie Denison Engineering Co. . 1160 Dublin Rd., Columbus 16. Ohio BN KONGELIGE PORCELAINS ... Fa b r ik & f a ja n c e f a b r ik e n ALUMINIA A/S . (hr. Christensen) Smallegade 45 fe^Copeaihagen F.t Denmark 9&NMAN, Cedric E. (S) /i-'.-'Great Bend Brick & Tile Co., Tnc. U. Box 53, Great Bend, Kans. W R O SSE, Victor A. (.E l) Shaw Ave., Lakewood 7, Ohio Corp.) John W. (RI) Arizona Dr., New Kensington, Pa. American Window Glass Co.) p O E , Gerhard fX) jfftrnegie Institute of Technology ?ittsburgh 13, Pa. IKGER, w. a . (El) Smith Corp. `^ ^ ^ 3 3 N. 27th St.. Milwaukee 1, Wise. .^^SOUX, Juan Ramon (JI) 1486, Panama. Rep. of Panama Products Co.. Inc.) T??SAIX, Herbert A. (RI) ` .122 Jefferson Park Dr. .Huntingtojv W. Ya. jBaarfbbooursviille Clay Mfg. Co.) , ^ S E N N E f Claude M. (SJ) g li s e Boischatel, Co. '^j.Montinorencv. Que., Canada - ^ ^ ( C ita d e l Brick Ltd.) "v^ S IA R D IN S , Gregorv T. (R) Foster, Kv. ^Wheatstone Corp ) T A M O R E , Walter A. (S) rium Reduction Corp. outh Charleston 3, W. Va. fcVORST. F. B. M. Zonnehuis. Terborg. Holland i i -OConinkli jke Fabrieken Diepenbrock & `I*?:: Reigers N. V.) Voi-. 33, No. 10 (1954) DEUTSCHE GLASTECHNISCHE GESELLSCHAFT l^H. Maurach) Untermainkai 12 Ftankfurt A. M., Germany DEUTSCHE KERAMISCHE GESELLSCHAFT (Mr. Knauf) Poppelsdorferallee 15 Bonn, Germany DEUTSCHER, Jerome S. (SI) 415 West Buist, Phoenix, Ariz. (Phoenix Brick Yard) de VASCON'CELLOS, Antonio Ceramica Martina S/A Rua Luiz Martini. s/n Mogi Guacu DeVILBISS CO. (E. F. Frey) Sao Paulo. Brazil Toledo 1. Ohio DeVOE, Charles F. (G) 38 W. Fourth St.. Corning. X. Y. {Corning Glass Works) DEVOL, Lee (G.) . 2524 Shroyer Rd., Dayton 9, Ohio (Wright Air Development Center) DEWEY, B. F. (W ) 42 Summit St., LeRoy, N. Y. (Lapp Insulator Co.) DEXHEIMER, E. C. (E) 917 Country Club Drive St. Louis 21, Mo. DIAMOND ALKALI CO. (L. T. Welshans) Painesville, Ohio DIAMOND, Grant S. (RFI) Electro Refractories & Abrasives Corp. 344 Delaware Ave., Buffalo 2, N. Y. DICK, Clarence H. (G) Gordon St., Natrona Heights, Pa. (Pittsburgh Plate Glass Co.) DICKAS, Charles H. (E) 1524 Sunset Rd., Chattanooga, Tenn. (Samuel Stamping & Enameling Co.) DICKENS, H. A. Nilsen Porcelains (Aust.) Pty. Ltd. 221 Separation St. Northcote, Victoria, Australia DICKEY, Herbert R. (S) 26 Regent St. St. Thomas. Ont., Canada (Canada Vitrified Products, Ltd.) DICKEY, John M.. Jr. (SI) Windy Knoll, Brookville, Pa. (Hanlev Co.) DIENER. Leonard W. (S) Cuthhert & Park Ave. Collingswood. X. J. (Diener Brick Co.) DIETERT. Harry W. (R) 9330 Roselawn Ave., Detroit 4, Mich. (Harrv W. Dietert Co.) DIETRICH, Waldemar F. (R) 3137 N Street. N. W. Washington 7, D. C. (U. S. Bureau of Mines) D1ETTERLE, Edwin W. (W I) 3834 Monteith Dr. Los Angeles 43, Calif. (Ferro Corp.) DIETZEL, Adolf Max-Planck-Institut fur Silikatforschung, Wurzburg, Germany Neunerplatz 2 DILLARD. William F., Jr. (S) Merry Bros. Brick & Tile Co. Augusta, Ga. DILLEN DER, Richard D., Jr. 105 Munro St., R. R. 3 Hixson. Tenn. DILL1ARD, Paul D. (B) 1313 E. Wheeling St., Lancaster, Ohio (Anchor Hocking Glass Corp.) DILLINGHAM, Robert P. (W) 2207 Cheyenne St., Golden, Colo. (Coors Porcelain Co.) DILLON. C. L. (G) Latchford Marble Glass Co. Box 71707, Los Angeles 1, Calif. DILLON, Zale (W) 70 Pinckney Rd.. Red Bank, N. J. (Atlantic Tile Mfg. Co.) DIM MICK, Henry M. (G) 249 S. Main St., Butler, Pa. {Dimmick Associates ) DIXGLEDIXE, H. F. (S) National Sewer Pipe Ltd. 330 Wentworth St., X. Hamilton, Ont., Canada ` DIXGLER, Edward L., Jr. (Rl Box 363, Birmingham, Mich. (Carborundum Co.) DINGWALL, Andrew _(G) 325 Spring St.. New York 13. N. \ . (Consulting Scientist) DINGWALL, Andrew G. F. <GJ ^ 588 Grove St.. Upper Montclair. X. J. ( R C A Victor I DIPPELL, L. V. <R> 17 Second Ave.. Tiffin 9, Ohio (Sterling Abrasises Div., Cleveland Quarrie? Co.) DIRATS. Elwyn (B) 100 Western Circle. Westfield. Mass. (J. Dirats & Co., Inc.) DIRKSEX, A. J. (G) American Potash & Chemical Corp. 122 E. 42nd St., New York 17. N. Y. DISTILLATOR. Philip R. (W ) Jackson Vitrified China Co. 2 West St.. Pelham Manor 65. N. V. DITHRIDGE, Edward H. (E) 60 Bedford St. Port Hope, Ont., Canada (Port Hope Sanitary Mfg. Co., Ltd.) DIXON, Anna Lane (D) 815 X. Fourth St., Burlington, Iowa DIXON, Gene (R) Kvanite Mining Corp., Cullen. Va. D IXO N, JO SEPH, CRUCIBLE CO. (W. R. Wyckoff) 167 Wayne St. Jersey City 3, N. J. DLUGOZIMA, W. R. (W I) R. R. 19, South View Dr. East Liverpool, Ohio (Patterson Foundry & Machine Co.) DODD, Charles M. (R FI) Dept, of Ceramic Engineering Iowa State College, Ames, la. DODGE, Alfred W. (G) Hazel-Atlas Glass Co., 126 Market St. Zanesville, Ohio DODSON. W. E. (R) Fire Brick Service & Supply 900 E. 72nd St.. Cleveland 3, Ohio DOLL, Charles E. (W ) Mount Clemens Pottery Co. Mount Clemens. Mich. DOLPH. James L. (E) R. R. 2. Darlington Rd. Beaver Falls, Pa. (Ingram-Richardson Mfg. Co.) DOMINION MINERALS DIV., RIVERTON L IM E & STONE CO.. INC. (V. V. Kelsey) Pinev River, Va. DONAHEY, John W. (GI) Waynesborough Rd., Paoli. Pa. (Foote Mineral Co.) DOXEN. 1. Consolidated Glass Works Ltd. Box 562, Gernnston Transvaal, South Africa DONEY, Louis M. (G) R. R. 1. Powell, Tenn. (Oak Ridge National Lab.) DONNENWIRTH. A. L. (R l) Carborundum Co., Falconer. X. A . DORA, Joseph C. (E l) 3246 West 62nd PI.. Chicago, 111. (Crane Co.) DORAN, Robert F. (GI) Sylvania Electric Products. Inc. Cottage PI., Mineola, X. Y. DORE, James E. (R l) 2518 W. Euclid, Spokane 13. Wash. (Kaiser Aluminum & Chemical Corp.) DORF, Arthur L. 249 S. Pugh St., State College, Pa R o s t e r 17 DORN, Alvah J. (G) 141 Wall St., Corning, X. V. (Corning Glass Works) DORN, G. Neal (SI) . 1015 Kemp Ave., Ironton, Ohio fCarlyle Tile Co.) I ^ M f t l C H , W. E. (R) Miguel Ave., Coronado 18, Calif. DOT^raiY, Andrew W. (G) 205 Bowers Dr., Horseheads, X. Y. (Corning Glass Works) DORSETT, O. A. (W) Knox Porcelain Corp., Knoxville, Tenn DORSEY, Baird L. ( Ri 300 Walnut Rd., Pittsburgh 2, Pa. (Jones & Laughlin Steel Corp.) DORSEY, John J. (WJD 385 Good Ave., Indianapolis 19, Ind. (P. R. Mallorv & Co., Inc.) DOTY, Henry 'S. fRl ' - Commercialores Inc. - ) ' 39 Cortlandt St., Xew York 7, X. Y. DOUGHERTY', Leon A. (W) .:?'{-370 North St.. Sun Prairie, Wise. , [(Wisconsin Porcelain Co.) DOUGHERTY, Sylvester J. (R) *y^|ietallurgical Dept. 'fYW*irton Steel Co., Weirton, W. Va. pOyjSHERTY. W. E. (ME) iS Barr Ave.. Pittsburgh 5, Pa. 'Hommel Co.) ,, AS, Edward A. (E l) ^Margin St. -Newton 65, Mass. dnger Corp.) IS, JO H N . CO. (A. J. Raible) nnati 16, Ohio <S, R. W. of Glass Technology nton," Hallam Gate Rd. eld 10, England IS, Richmond glas Firebrick Co., Ltd. jr, Ayrshire, Scotland |N G , Robert F. (G) ch & Lomb Optical Co. naking Dept., 635 St. Paul St. bester, N. Y. ilN G , G. N. ngton's Tiles (S.A.) (Pty.) Ltd. 70, Meyerton svaal, South Africa 5, Arthur D. (S) aycraft Co., Box 866 nbus 16, Ohio M. Ellis (D ). , id University, Alfred, N. Y. |,' Mary (X) ' Case Co., 21 East St. Attleboro, Mass. iN FE LD , B. F. & CO. J. Courtney) 45-47 Park PI. r York 7, N. Y. R, Harry C. (X) 0 Maplewood Dr., Euclid 17, Ohio arshaw Chemical Co.) ; (MENS GLASSVERK ar Tanberg) Drammen, Norway ER, Perry E. (W) , sfield Sanitary Pottery, Inc. pPerrysville, Ohio iSSLER, Philip (M FI) ,, i winded-Dressier Corp., Box 1888 ^laFittsburgh 30, Pa. ^ S Y L I N G , Lewis J. (R) Milltown Rd., Milltown, N. J. nigley Co., Inc.) iARD, W. J. (W I) ^Mansfield Sanitary Pottery, Inc. "'-FerTysville, Ohio CER, Julius nfabriken Bayer ngesellschaft jflffefeld-Uerdingen, (22a) Deutschland " (MOND, W. W. (G) KTS504 Midmoor, Madison 4, Wise. $S(Bjorksten Research Laboratories) 33, No. 10 (1954) DuBOlS. H. B. (M FI) Consolidated Feldspar Dept. , International Minerals & Chemical Corp. Erwin, Tenn. DuBOlS. Harold V. (W) 4147 159th, Lawndale, Calif. (Vernon Kilns) DUBOV1CK, Walter A. (R) Engineered Precision Casting Co. Box 68. Matawan, X. J. DuBOVY. Martin P. (E) 1109 E. Washington St. Frankfort. Ind. ( Ingram-Richardson Co.) DUCHE, Frederic Compagnie Generale d'Electro-Ceramique 12 rue de la Baume, Paris 8, France DUCKWORTH, Winston (BI) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio DVDDIXG. B. P. International Commission on Glass Research Laboratories General Electric Co., Ltd. Wemblev, Middlesex, England DUEVEL, Charles O., 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 FRESXE, 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) DUGGAN, J. J. (G) Walsh Refractories Corp. 101 Ferry St., St. Louis 7, Mo. DUHRSSEN, Alfred (D) Commercial Decal, Inc. East Liverpool, Ohio DUKE, John J. (W) Box 33, Saxonburg, Pa. (Du-Co 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, 111. DUNCAN, Beverly W. (R) Alloy Precision Castings Co. E. 45th St. & Hamilton Ave. Cleveland 12, Ohio DUNCAN, J. 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 1, Ohio (Kelley Island Lime & Transport Co.) DUNGAN, Robert (BJI) 19 O'Connor Ave., Homell, N. Y. DUNN, H. E. (R) Suite 206, 300 Mt. Lebanon Blvd. Pittsburgh 34, Pa. (Vanadium Corp. of America) DUNN1CAN. Ward G. (G) 277 E. Seventh St., Clifton, N. J. (Becton, Dickinson & Co.) DUPLIN, V. J., Jr. (B) 300 North Ave., Fanwood, N. J. (Babcock & Wilcox Co.) du PONT, E. I., de NEM OURS & CO., INC. (John M. Olsen) Electrochemicals Dept. Wilmington 98, Del. DURHAM, Carl T. ( B) 28 Gahl Terrace, Reading, Ohio (General Electric Co.) DURST, William A. (X) 209 Madison St., St. Marys, Pa. (Stackpole Carbon Co.) DUWEZ, Pol (B) California Inst, of Technology Pasadena, Calif. DYNES. Marvin W. (G) Van Dyne Quartz Works Box 380, R. R. 1, St. Charles, 111. DYRE, Warren T. (E) 317 Estaugh Ave., Haddonficld, X. J. (Universal-Rundle Corp.) E EAGLE, J. Eugene (M FI) 3202 McShane Way, Baltimore 22, Aid. (Pemco Corp.) EAGLE-PICHER CO. (D. R. Carter) American Bldg., Cincinnati 1, 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. (L. H. Butcher Co.) EAST, Walter H. (R) 1810 Tamerlane Dr., Glendale 8, Calif. (G. S. Marshall Co.) EASTER, George J. (R FI) Electro Refractories & Abrasives Corp. Willett Rd., Buffalo 19, N. Y. EBERSOLE, Robert A. (R) Chisholm, Boyd & White Co. 610 W. 57th St., Chicago 21, III. ECK, Bernard J. (R J) 8010 S. Michigan, Chicago, 111. (United States Steel Corp.) ECKEL, Albert R. (R) Commercialores, Inc., Clover, S. G ECKEL, Harold A. Trinidad Clay Products, Ltd. 44, South Quay, Port of Spain Trinidad, B. W. I. ECKLEY, J. R. (R) Aluminum Co. of America 1501 Alcoa Bldg., Pittsburgh 19, Pa. ECONOMOS, George 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, 111. (Armour Research Foundation) EDWARDS, F. M. (W) Porcelain Products, Inc., Carey, Ohio EDWARDS, J. B. (S) 2220 Shorecrest Dr., Box 13226 Dallas 20, Texas (Reliance Clay Products Co.) EDWARDS, Russell K. (R) Illinois Institute of Technology Technology Center, Chicago 16, III. EDWARDS, William R. (W I) 11926 S. Saginaw Rd. Grand Blanc, Mich. (AC Spark Plug Div., General Motors Corp.) R oster 19 d<TC' X . 1 aw -mi i W BC! Tci-.'i'li-.tu l..,!,- , ]ne Murra' Huh X E a . K . S T C N . Mvrc.f. n; 1 \ M Beulah. Mich [ Ee.Cte.-toii E m i t E..ru i (Iav C. ( S 1 Buckiucham R : . j ^ c k v Ri ver 1r. d m. " ( Cl evel and Bui l de r - Su,npl> t.'o. . E R S , <, . \\ 54 l>nk Mill Lane Sout h D a n h i m 'uth Mn- - I Ae n v o \ C<r p . 1 :. : i M A X . Ro> G I t . ; . ohu S Alien St.. Collect.. Pa. ( P c n n - \ 1\ani.a Statt- Univer.-itv i :: M) R . AH'-m c . ' S ' " Ame r i c a n / i n c Sa:-, - Co.. Ei\ 327 Columbu- In, i d m d [ S E X , J ohn K. >R 1 Box 27, \ \ ati rl< <. \ \ me ( Bmrk-ten Kc-iard: Lab-. Inc.) h.ISEXBERG. Marvin RJ' Armour Research 1ouudatiou T e c h n o l o g ( Y n v r *d b c n c - In. 111. dl SEX BERG. Me>er \ i 25-32 38th St. Lo n e IMaml Cit> 5. X V l Architectural Ti line Co. EITEL, Wilhelm i BH Dir. of Inst, of Sil icate Res e ar ch University of Toledo. T o k d n t., Olm KKDAHL. \\ . Graydon i(D J o h n s - M a i n ilk- Re s e a r c h Centex Manville. X I. E K H O L M . L. C. *( RI - 2143 Constitution B h d Boston. Mc Ke e s p o r t . Pa. (United St at es Steel Corp i k ld er. y c. I\vi Robertson M : e C".. Box. 848 Trenton 3. X 1 ELECTRIC A UTO-LITE CO.. ' PARK PLUG DIV. ( Rober t T u e l l - 231. ho-piria. Ohio ^ P_?PTtR: O REFRACTORIES & ABRASIVES CORP. Gr a nt S. I )iam< :;. i i 844 De l a wa r e A \ e But'inlo J. X Y e l j e r CO.. K n a m d - W ar e Di\ <L. A. B a t e ma n - Sal em. Ohi o AL L ARD. Lark- R. <Ri 344 Clinton A \ e . Tiffin. Ohio Basic R e t r a e t o r k - h u > i - L L E E s O X . B. S <G Syl vani a Ek- ct r u '1'r< d u e t - . Inc 208-20 W diet- Pmm Bl\d Bavside. l.on^; 1-laud. X. Y ELLIOTT, Aino, i M Cover ed W'acn Rauch Cloverdale. Calif. EL I OT T , Claude Erar.klin R. R 2 . I ! o\ ] f|J, Mendcr - mt . X ELLIOTT, Georei 42 Bawt r y Road. Bc- - a c a r r Doncaster. P.ndnu.d (Brick Marketing Co. Ltd i -US. \Y,|,,,,, II. Mi L a mb ( las. Co.. Mount \ erimn, Olii E L L I S O X , H e n r v \V >G> L ' 1' E. T h i r d S* C o m m i t X Y ' d o m i n e Gla-- \\>*rk>i "ELlSt iX. R. \Y. i K . D a ! E. l . oma vita Dr Altadena. Calif ( CLub line:. M c B i u u X t o i ; ~MKR. t - U< 14284 Lenrav Laut. 1 os Cato- (' ahi 'Kaiser Aluminum & Chemical '..rp K| *M KR. Thom.-.- ! ! : ID _ 2U* E i 1ich S' " a i u t n l I'., X v ^ M ^ C o r n i m ; da-'- W ." k - ^ V l ' A . Bernard.. t \\ ^(^^ W artad. 8 o, M ' - t e r r e v. X 1 Mi , n.ailrillcra M . - u u r o , S \ > *--l.STr.\ k , M; w ; ' 1 Uv, i h. .-11.. > ' Ma Voi.. m: E L Y . Wi l l i am C. 1 il t Put - buredi El ate '.la-.- Co. 1 Gai evnv (.'enter. Pi t l - bur i : h 22. i 'a. 1!M \ - \ T K L , !:i ' ( G ' Ar m- n r o u - C o r k Co, R i -v.a r c h iS: 1>e\ ei'imem u t t e r l.aiK-a-u- l'a K M 1 I I S K R I . ,naM ! K 1 l i t i ; Kiuh- h \ ve .. 1Ha e k e mu ' l m . l 'a ! I V - h a - U : i ' I au >!.-i-- Cu i .EM I S O N . M . 111 r - ht ' ( G l G t . n d u e 1la-- W. . r k Char i er": Di\ . Charleroi. I'a. EM L E Y . Wiiiiam S. 1 K 1 W M a f ' v t d Enne. R R 3 Ca-tle. Ea i Sheiiau e. - < bi na. Ine t EM M ER IC H . Liberata i d > 1'e rm-G . ani.i St t ue U m d c t - P y Minerai U'ki-lrk- l.ibrnrv St a t t ' "he ue. l 'a. ' E M M E K I . l X n . Ral ph \Y. 1 \ \ U S Ou a r r y 'Idle ho. East Sparta. Olii" E.MR1G11. Alien H 17`)' ' h r a n k l i n \ ve . . ( o h u n b u s 3. <.)hio EM RIC IE Iduer-on W (Ml ) R T \ awderlnlt I. a b o r a t o r i i Ea-t V"-w alk. t mm IGMRlGll. Harold W 1 SI > 1325 filbert Court. Denver Jo, Colo ( D e n v e r S e w e r Pipe & Cla> Co 1 EX BERG. Christer Tee'ellaboratoriet Brick Laboratori ' Drot t i muc K r i - t i n a s vac- 45 Stockholm O. Sweden E N G E L . J u a n J. R. Ca.-illn Cor r e o 23'M Bueno- Aire-. Argentina ( Metalum S.R.L. 1 EXGEL. Rene 1B 1 !h>\ 1 4s , Smi t h Ea - a d e n a , Calit i (dm-uitimt Engineer ) E X G L E R T . Wi l l i a m J (G> MnnorGIle. Ba i Pitt-burch Plate (das- Co 1 ENGLISH CHINA CLAYS SALES CORP. 551 f i f t h A v e . New Nork 17. X LX HUS. Han- Go-ta \ktkhGaeet Malardalen- Teeelhmk Eric-i'ere'-catan 27 St ocki i o' m d. Sw.'den E X EOE. Seri X>p \ \ i M i I )i!l-b' ;. . X G. t 11art i- . !;'.> G< 1 EX Ei E.. S l --.op \ \ . Jr . ( W i S u n n e Eme. X C. ( Ha r r i - Clav Co. ' h. X ' H f l t. f a r l e - R 1 R ' 74-13 D 'exel Brook Dr. Dre' . G Hill. Ea. (Retractors Spicialtie- Co 1 E l 'S T E l X . E d w a r d . Jr . 1 W 1 52! S 1StH St.. Sebrini^. Ohi o ER \ R I ). E d w a r d t G i \ 'idri< Ne ut r o. S. A i 'ioloT'eacion ( alle de la Rosa No " \ t / c a p o t / a l c o , I). 1 .. Me xi c o E R 1C K s< >X \ Al i red 1G 1 S4 l \ r - h m c St t ' o r n i n e . X. d*. 1( '"rrme da-- \\ "fk- 1 E R IGK S ( P\ . \ l k n 1 I ( i 1 4844 3s t h \ v t X.1-; . S ( atth- L Wa- !i. i X rt ii wt -t e r n ( d a - - Co 1 ERIE RESISTOR CORP. i Patt: id Si e c r i - t ' (.4 4 W 1 2 th St . Erie. !`.1 E R N S T . DolK M. d H Bo\ 57 E R R . 4, E" \ 1 l and. ' diiu _'7 2 v ! . itti' \ \ i Knos ^ i l k- l e i m. 1 V !imteei 1'or t l . md i ' u i u i n t 1* > E . R R E T T D:n. id .1. 1 M ) " im:. \ M "1. idi mm; < " oi 1G. N Ir l R \ I X. Er anci - E. i M 1 2" " Sun.-et Dr , W h i t e Boro Me Ke e - por t E; (d'Iie D e m -on lneim-erin--: (Jo. KR V I N . t . u v Ir 1 r. t Re-i-areh l.abo: atorv . N orton pd. WiavM' U-r. Ma. F. R W I N . Ia r K U-; 1 2i`' S Sun- et Bu. Moiir.-via. <da'p.i 1 Affiliated I, a- Idj ui pnui H. lue i KR/.I.N. fr a a k t' E ) (>u4 Hold. T rail . Si e r r a M a d r e f a i 1 Kent t "r p 1 E S C \ . X | ) O N . Marmel I'. i \ \ 1 In- t i t ut " M e s w a n o de f n \ e - t i y n c i m'eTeCPa >11>ei ca I. eeari a n,J4 . M t xico 1o. I ). ' E S C H EX RURn" Rober t 1. . 11 flore-ville lY\a- ES PER SEX Km in 1b' hneanm ' da-v aerk 11Inn. - i i - f np. I k m m a r k E S S E E S T d X. \V u l a n i \ m . R . R 1. diurno Imr e, l 'a. ( \\ a-hinet' n Tool and Machim Co 1 E S T E S . Jo-eph I' 1W 1 Haceer l'otterie-. Ine 7 Mai k-u Laue. Dunde e. 11!. E T 11ER El k 1Id Ot i - K t W> B"X 252. lofilon. <la ( Sout he r n ( lax Ine 1 E U B V X 'K. Wi l l i am K. t H 1 R. R 3. B o \ 57. Ri v e r hal l -. Wi - c . (Minne-ota Minute Mfe. Co * E U B A N K S , \ l t r ed G. d I 08112 Stella (Jourt. Ke n - i n e t o u . Md. I National Bureau oi S t a n da rd - > EUREKA FLIN T & SPAR CO. (Richard W. Tliropp) I IMt \ \ . St at e St.. T r e n t o n S, X 1. E l S X I . K . ( t e nr e c R. i R ' lo25 Summit: St . McKee- por t . Pa 1E S Steei l'orp t EVANS CASE CO. ( Al f r e d E Reillv, S r 1 21 I-'a-t Si Nor t h Atl!eI"ro. Ma- - . EY \ X S ('har k- Id ( M 1 2401 N o r t h me n D r . C lumini ( T i t a n i u m \lh> M t e Dix Nat i onal 1.1 a1 Go 1 \ X S . 1>nr ii i 1 'w en 1' '1 Hillcre-t & l a n d e n \ v i .. Map! f 'harleroi. Ea t l'ornine ila-- \\ ork- I-;\' \ X S Ed wa r d ! We l - h d i n Piate !k Metal S t a mp i n e < 1 l.lanelh. l'a' marthen-hive Gr Britam EA XXS. Kennet h Id ( M i Ulied Eu e t n e e r i n e Div . P i r r o ldrp 4 I 5o Id 5'-th S! f ( ' k velami. ()hin EVANS LEAD CORP. tR M Evan-i B " \ 1 4n 7 Cln-mie' ton 25 Wd \da EVANS PIPE CO. iT 1 Idau-, Hit l 'hrich-v idi-, <hm EY \ X S . R. M. M t Evali- i.ead Corp. P.ox 147, Itarle-Tou 25. \ \ \a E \ A X S. Ri c har d f <W ) 1r<"m<a- l iiina Co. 23JH Milton \ v e . S vr acu- e X d' EY \X>. Id-- M 1S > 0 (1. E Y t . d i . n m ^t.. Br a/ i ! Imi 1 \ rket i x ' et'.mie orp. 1 EA W S , d J , MI ( S i h.van- [boi t ' o . In icli-v ille. ( ' hi " 1;. \ \ X S. W I' i.[iti ( 1 le . 1. \ - h w ort h \ Uro-.. 1 .pi. Broad Strev* \\rk- l ( a u k \ . 8 n ke-oti-d r e n i . 1 melami E \ \ V> W d' a . ' c W 1 K > 5do h. I v*t \ \ e . 1 >o\ i-r. 1 duo R o b m -n ( `do l 'r11luet '<, EA I d d i \ K T J i > M' 1 I omotc-mc !',\P("i:m;: (lili" " ,p! V'u i\ r ' -h \ 1 . 'hi.- 8 Utti"U k- " n k 1 .m m AJJIUIMW PjTBjip EVERSOLE, W. G. (Ri Linde Air Products Co. E. Park Dr. & Woodward Ave. Tonawanda, X. V. EWALD, Merwin R. (G) 0Tlooileecdo Engineering Co., Ine. Sylvania Ave., 87, Sta. H., Toledo 13, Ohio Robert F. (W) ^SlTaannssfield Sanitary Pottery Perrvsville. Ohio EXOLON CO. (Harvey J. Robillard) Tonawanda. X. Y. EYERLY, George B. (Ri 3813 X. Humboldt Ave.. Apt. 4 Milwaukee. Wise. (Allen Bradley Co.) FABIAXIC William L. (R F Il 1831 Seminary Ave., Alton, 111. (Laclede-Christv Co.l FABRICA de LADRILLOS INDUSTRIALES. y REFRACTARIOS, S. A. (Salvador Odriozola Gomez) Apartado 390, Monterrev, N. L., Mexico FABRICA de PORCELANA da VISTA ALEGRE LDA. Largo do Barao de Quintela No. 3 Lisbon, Portugal FACKLER, Ernst G. ' Apartado Aereo 6108 . ! Bogota, Colombia " ' (Vidrio S, A .' FACKT, George P. (SF) * ^ 408 Paseo de! Mar, Box 878 ^alos Verdes Estates, Calif. , \ (Redondo Tile Co., Ltd.) FADANELLl. Louis H. ' 1132 S. California Ave. Chicago, 111. F a g e n , Barney (M) iilfblllini Ceramic Service, Inc. ' ' 63-169 W. Illinois St. \c a g o 10. 111. iNBRVCK. William O. (GI) i.R. 1. Box 95. Tiffin, Ohio : (Sterling Grinding Wheel Co.) FAILMEZGER. Howard (W F I) ` Victor Insulators. Inc. Victor. X. Y. FAIN, Charles C. 789 Glendalvn Ave., Spartanburg, S. C. F a i r c h i l d . Charles o . cb> % Chain Bridge Rd., Fairfax, R. R. 3, Va. (U. S. Government) FAIRFACTS CO. (J. Ryan Smith) v Fairfacts St.. Trenton 8, N. J. FALCONER. Donald P. (R) 1018 Maple Ave., Evanston. 111. : (Sales Engineer) FALLON, Frank J. (W I) . B. G. Corp., Ridgefield, N. J. ;FALTER. Arthur H. (G) ...... 8635 Jacob PL, Xiagara Falls, N. Y. U (Carborundum Co.) FANDERLIK, Milota ^ Nemdova 10 Hradec Kralove. Czechoslovakia FARBER. Louis G. (D I) Ceramics Monthly, 3494 X. High St. Columbus 14. Ohio Fa r g o , jarvis j. cg) 140 Centerway. Corning. N. Y. (Corning Glass Works) FARKAS, Howard (M) United States Stoneware Co. 60 E. 42nd St., New York, N. Y. Fa r l e y , Eldon 336 S. Fifth St.. San Jose, Calif. Archie E. (E) Hommel Co., Box 475 Kttsburgh 30, Pa. iROW, Lewis C. (E) R.R. 1, Clyde. Ohio (Whirlpool Corp., Clyde Porcelain Steel D iv.) ;Vol. 33, No. 10 (1954) FASOLD. G. A. (E) 7329 Bernard Ave.. Cincinnati 31. Ohio (Philip Carev Mfg. Co.) F a VLKNER, Karl B. (R) Corning Glass Works. Corning, X. Y. FAUST, Ernest H., Jr.*<RI) 3129 Whitney Ave.. Mt. Carmel. Conn. (American Refractories and Crucible Corp.) FAUST. George T. (G) 9907 Capitol View Ave. Silver Spring. Md. (U. S. Geological Survev) FAY. Wayne X. (RD General Refractories Co. 202 Oxford Hill Lane, Havertown, Pa. FEAGIX, R. C. ( B > Austenal Laboratories. Inc. 224 E. 39th St.. New York, X. Y. FEDERAL GLASS CO. (Henry H. Blau) 5*15 E. Innis A\e. Columbus 7. Ohio FEDERAL SEABOARD TERRA COTTA CORP. (O. F. Mathiasen) Perth Ambov. X*. T. FEDOCK. Michael P. (R) 163 Woodlawn Ave.. X. W. Canton 8, Ohio (Republic Steel Corp.) FEIN BLOOM. David T. Box 653. Alfred. X. Y. FELD. Philip Box 1039, Alfred. X. Y. FELKER. Ernest (W) 2109 Tolosa Dr., Dallas, Texas (Ferro Corp.) FELLOWS. R. L. (E F I) 748 X. Kensington Ave., La Grange, 111. (Centurv Vitreous Enameling Co.) FELLOWS. Roger L., Jr. (E JI) 2219 Tabor Ave.. Dayton 10, Ohio (Frigidaire Div., General Motors Corp.) FELS. C. G. (RI) 11 DeForest Ave. North Plainfield. X. J. (Fels Refractories, Inc.) FEXSTERMACHER, John E. (RJ) 1320 Fifth Ave., Worthington, Minn. FEXTOX, Walter M. (G) Lithium Corp. of America, Inc. 2560 Rand Tower. Minneapolis 2. Minn. FERDINAND. George (W) 7113 Fishburn Ave., Bell, Calif. (Air Pollution Control. Inc.) FERGUSON. D. Robert, III (R) Box 36S. New Cumberland, W. Va. (Crescent Brick Co.. Inc.) FERGUSON. Donald Box 929. Alfred. X. Y. FERGUSON. Douglas J. (D) Pigeon Forge Pottery Pigeon Forge. Tenn. FERGUSON. Robert F. (G) 1765 Caleb Dr.. Zanesville, Ohio (Hazel Atlas Glass Co.) FERGUSON. Robert L. (S) Yankee Hill Brick Mfg. Co. 728 Stuart Bldg.. Lincoln 8, Xebr. FERGUSON. R. W. (W) General Ceramics Corp. Kea*bev. X. 1. FERNANDO. Hector S. (W J) Box 96. Alfred. X. Y. FERRAZ, Cyro B. Ra Voluntario* da Patria 2.505 Casa 15. Sao Paulo, Brazil (Cermicas Reunidas Brazil, S. A.) FERRIS, Harry Philip (B) 20 Birch Dr., Levittown, Pa. (Simonds Abrasive Co.) FERRIS. James E. (G) Xiagara Alkali Co. 60 E. 42nd St.. New York 17, N. Y. FERRO CORP. (R. A. Weaver) 4150 E. 56th St., Cleveland 5, Ohio FERRO EN G IN EER IN G CO. (Walter M. Charman. Jr.) 1208 Hanna Bldg., Cleveland 15, Ohio FESLER, Ray T. (W) A.A.A. Corp.. Box 815, Gadsden, Ala. FESSLER, A. H. (WFI ) Fenton. Mich. ( A C Spark Plug Div. General Motors Corp.) FETTER. H. (R) Cia. Mexicana de Refractarios A. P. Green. S. A.. Hamburgo 51 Apartad Postal 71 Bis. Mexico. D. F. FETTERLEY. Guy H. (R) Box 2o, Chippaua. Ont.. Canada (Norton Co.) FETZER. George W. (D) 1 205 17th Ave.. Columbus 11. Ohio (George Fetzer Ceramic Supplies) FEYLXG. Claus A. Eie Stetitoiiabrik Eger^und. Xorw a\ FIBERGLAS CANADA, LTD. (John MacRaet Box 30 Guelph. Ont., Canada FIELD. Theodore E. (B) Corhart Refractories Co. 1600 W. Lee St., Louisville 10. Kv. FIELDS. Ernest (R) 7136 Marwinette Ave. St. Louis 16. Mo. <Laclede-Christv Co.) F IL IPPI. Hugo (SF) Illinois Brick Co. 22S X. La Salle St., Room 1718 Chicago 1. III. FILLMORE. Charles L. (W I) Globe-Union. Inc. 900 E. Keefe Ave.. Milwaukee 1, Wise. FILREIS. Samuel (R) 47-27 215 Place Bayside. Long Island, X. Y. (Seaporcel Metals, Inc.) FINDLAY CLAY PRODUCTS CO. (R. S. Craft) Washington. Pa. FINLAY, G. R. (R) 2231 Waters Ave. Xiagara Falls. Ont.. Canada (Norton Co.) FIXLAYSEX. John R. School of Ceramics Rutgers University New Brunswick. X. J. FINNEY. Edwin L. (S) Gaverait Co.. Shawnee. Ohio FIRESTIXE. Arthur G. (G) 34 Dewey Ave., Fairport. X. Y. (Bausch & Lomb Optical Co.) FISCHER. Eugene A. (R) 108 Newton Ave., X. Worcester 5, Mass. (Norton Co.) FISCHER, Peter R. Deisenhofener Sir. 87 Munich 9, Germany FISCHER. Robert J. (W) 86 Barker Ave., Eatontown. X. J. (Signa1 Corps Engineering Labs.) FISH. E. Thomas (I) 806-- 16th St., Niagara Falts, X. Y. FISHEL, Waite P. (R) Box 127, Vanderbilt University Nashville 4. Tenn. FISHER. Eugene A. (W) Electric Auto-Lite Co. Spark Piug Div., Fostoria. Ohio FISHER. Henry C. (R) Norton Co., 1 New Bond St. Worcester 6, Mass. FISHER. Joseph R. (B) Bel! Telephone Labs., Rm. 1A-336 Murray HUI, X. J. FISHER. William V. (G) Anchor Hocking Glass Corp. Lancaster. Ohio FISHLEY. William S. (W) Sparta Ceramic Co. East Sparta, Ohio FISH-SCHURMAN CORP. (Murray Yauitz) 70 Portman Rd. New Rochelle. X. Y. Roster 23 FISK, Henry G. (B) Natural Resources Research Inst. University of Wyoming. Laramie, Wvo. FITZGERALD. Alex E. (RI) General Refractories Co. 15522U0 Locust St.. Philadelphia 2, Pa. F?IT^gpERRAJ L D . J. Vincent (G) Council of Am. Research Center 1 of Ceramics, Rutgers University Brunswick. N. J. FITZSIMMONS. Elmer S. (RI) Chem. & Abrasives Research Dept. Cincinnati Milling Machine Co. Cincinnati 9. Ohio FIX, Frank A. (M ) Posey Iron Works. Inc. Lancaster, Pa. FLEISCHER. Arthur (R) Box 349, Easthampton, Mass. (Nickel Cadmium Batterv Corp.) FLEISCHER. Eiler * Holst & Fleischer A /S Prinsens Gate 1. Oslo, Norway FLEMING, A. P. M. Metropolitan Vickers Electrical Co., Ltd. Trafford Park. Manchester 17, England FLEMING. Charles A. (E l) .5763 Vermillion Blvd. . . New Orleans 22, La. - (Industrial Enameling Div., ^ --Industrial Electric, Inc.) FLEMING, DAVID M. (BJ) r^ : i22 E. Irvin Ave., State College, Pa. FLEMING, Thomas T. (R) . r . Frank Samuel & Co.. Inc. - ^ F ;2200 Lincoln-Liberty Bldg. ^Fr-Philadelphia 7. Pa. FLETCHER ENAMEL CO. Carroll Fletcher, Jr.) Y ^ Ih in b ar, W. Va. FLETCHER, J. Carroll. Jr. (E) ^'.Fletcher Enamel Co., Dunbar, W. Va. JpLlCK, Fulton B. (R) >v;'iBrown, Critchlow. Flick & Peckham 06 First National Bank Bldg, sburgh 22, Pa. E. P. (B) Armour Research Foundation 10 W. 35th St.. Chicago 16, III. FLINT, Francis C. (GFI) Hazel-Atlas Glass Co. - 15th & Jacobs Sts.. Wheeling W. Va. FLORENCE. Jack M. <C.) . .. v Kimble Glass Co. Box 1035--1036. Toledo 1, Ohio FLU, Eldon Bruce (\V) " 1533 Crooks Rd.. Royal Oak, Mich. ;V; 1; (Ceramic Div. .Champion Spark Plug Co). JR.YNN, Paul H. (B) ~y: ' International Nickel Co., Inc. ..V Bayonne Works, Bavonne, N. J. FOGELBERG. Sven ' / Webb's Crystal Glass Co., Ltd. . .... Dennis Glassworks Stourbridge, England FpLKERS, Charles L. (RJ) 917 Park Ave., Ackley, la. Fo n t a n a , Eugene h . (G) : Box 259. Corning, N. Y. (Corning Glass Works) FONVIELLE, Frank P.. Jr. (W I) ' Dentist Supply Co. of New York 500 W. College Ave.. York, Pa. Fo o t e m in e r a l c o . . (L. G. Blisst 18 W. Chelten Ave. Philadelphia 44. Pa. PORAKER, Robert W. (E l) , / Titanium Pigment Corp. 99 Hudson St.. New York 13, N. Y. TORBES, Lewis J.-B. (C.) - 165 Bloor St., E. Toronto, Ont., Canada Pilkington Brothers (Canada) Ltd.) 4, Fred J. (M) w -Box 537, Dallas, Texas jFQRD, George D. (W I) 2136 Wilmer St., Zanesville, Ohio (Mosaic Tile Co.) S ol. 33, No. 10 (1954) FORD. W. B. (W ) Smith & Stone, Ltd. Georgetown. Ont., Canada FORD. Walter D. (GI) Pittsburgh Corning Corp. Technical Dept. Port Alleganv. Pa. FORDS PORCELAIN WORKS (1. A. H an sen ) P erth Ambov, X. T. F O R E S M A X . Grover C. (G) 212 Cedar St.. Corning, X. Y. (Corning Glass Works) FORJAZ. Xicolau . Porto Ferreira CP E. Sao Paulo. Brazil FORKXER. Henry R. (XI 1 Box 482. Blacksburg. Va. (Virginia Polytechnic Inst.) FORRY. W. J. (M JI) 21 X. Shippen St.. Lancaster. Pa. (Poser Iron W orks'lnc.) FORSE. Edwin B. (R) Carborundum Co., Niagara Falls. X. Y. I'ORTER. Samuel A. (G) Forter-Teichmann Co. 1210 Clark Bldg., Pittsburgh 22, Pa. FORTH. Robert D. (E) 1369 X. W. Circle Dr. Kankakee. 111. (Florence Stove Co.) FOSDICK, Marion L. (DF) 100 X. Main St., Alfred. X. Y. FOSTER. Charles T. (GJ) 9102 X. Swan Circle Brentwood 17, Mo. (General Refractories Co.) FOSTER-FORBES GLASS CO. (F. R. Motsch) Marion, Ind. FOSTER, Wilder D. (B) 5405 Bower Ave., Verona, Pa. (U. S. Bureau of Mines) FOSTER, Wilfrid R. (BF) Department of Mineralogy 01 io State University Columbus 10, Ohio FOSTORIA GLASS CO. (Roy G. Yeater) Moundsville, W. Va. FOWLER. Eugene F. (E) Battelle Memorial Institute 505 King Ave.. Columbus 1, Ohio FOX, Charles S. (R) Aluminum Co. of America 3615 01i\e St.. St. Louis 8, Mo. F R A D . William A. (R ) 1800 Oak St.. Rolla. Mo. (Missouri School of Mines) FRAHME, Herman H. (W I) 114 Winston Rd., Akron 13, Ohio (U. S. Stoneware Co.) FRAME. Dudley P., Jr. (MI) 490 Colonial Ave.. Worthington, Ohio (Harrop Ceramic Service Co.) FRANCE, J. H., REFRACTORIES CO. (William A. France) Snow Shoe, Pa. FRANCE, William A. (R) J. H. France Refractories Co. Snow Shoe, Pa. FRANCESCHIXI, Felippe Ceramica Sao Caetano Caixa Postal 278. Sao Paulo, Brazil FRANCIS. Ronald K. Box 847. Alfred. X. Y. FRANCISCO. Allen C. (RI) 227 Beeler Dr.. Berea, Ohio (Kolcast Industries) FRANCK. Leon Franck & Steeman, S. A. 20 Ave. Emmanuel Haren-Nord, Belgium FRAXCL. Josef (B) 2549 Orkney St., Toledo 6, Ohio (Owens-Illinois Glass Co.) FRANK. Henry A. fW) Kokomo Sanitary Pottery Corp. Kokomo, Ind. FRA N K . John <D) Frankoma Pottery, Sapulpa. Okla; FRANKLIN, Earl W. (S) R. R. 1, Box 2I2B Alfred University Research Lab. Kingston, X. Y. FRANKLIN. William S. (GI) 918 Gravunere Ave.. Wanamassa. X. J. (Bendix Aviation Corp. Electron Tube Div.) FRANKOMA POTTERY (John Frank) Sapulpa, Okla. FRANTZ. Samuel G. (M l S. G. Frantz Co.. Inc. Box 13S. Trenton. X. I. FRANTZ. S. G., CO., IN C.' (Samuel G. Frantz) Box 1188 Trenton. X. I. FRANZ. Leo J. i R ) Acme Brick Co., Malvern. Ark. FRASER. Lew L H. D. (B) 5532 S. E\erett Ave.. Chicago 27. 111. (Con>uhing Engineer) FRASER, Orraj T. (Gl) Harbor Hills. Hebroti. Ohio (B. F. Drakenfeld & Co.. Inc.) FRASER, Walter A. (G) Fraser Glass Co., Inc. Box 185, Crozet, Va. FRASER. W. B. (S) Fraser Brick Co., Box 144 Dallas 1. Texas FRAZIER. C. E. (GF) Frazier-Simplex, Inc. 436 Beau St., Washington. Pa. FRAZIER. C. T. (G> 527 E. Beau St., Washington. Pa. (Frazier-Simplex. Inc.) FRAZIER. J. Earl (GFI) Frazier-Simplex, Inc. 436 E. Beau St., Washington. Pa. FRAZIER-SIMPLEX, INC. (C. E. Frazier) 436 E. Beau St. Washington. Pa. FRECHETTE. Howells (Life, SF) 52 Park Ave., Ottawa, Ont.. Canada FRECHETTE. Van Derek ( BFI > New York State College of Ceramics Alfred. X. Y. FREDERICK. C L. (R I) 24 Meadowood Lane, R.R. 4 Chagrin Falls, Ohio (North American Refractories Co.) FREDERICK, Gilbert M. Babcock & Wilcox Co. 1120 Packard Bldg., Philadelphia 2. Pa. FREDERICK. Vernon W. (G) Libbey-Owens-Ford Glass Co. Rossford, Ohio FREDERICKS, John D. (S) Pacific Clay Products Box 2178. Terminal Annex Los Angeles 54, Calif. FREDR1KSSOX, John I. (R) Norton Co., Box 87 Niagara Falls, Ont.. Canada FREEMAN, Charles A. (R FIl Freeman Fire Brick Co. Box 606, Canon Citv. Colo. FREEMAN, Edgar H. (W) Cook Mfg. Co., Box 157, Walnut. Calif. FREEMAN. Joseph (M) L & L Manufacturing Co. 136 Eighth St., Upland. Chester, Pa. FRENCH. Myrtle M. (D F) 8301 S. Langley Ave. Chicago 19, 111. ( Art Institute of Chicago) FRENCH. Preston W. (GI) 1517 Union Ave., Brackenridge. Pa. (Pittsburgh Plate Glass Co.) FRENCH SAXON CHINA CO. (W. V. Oliver) Sebring, Ohio FREY. E. F. (M) DeVilbiss Co., Toledo 1, Ohio FRIEDBERG. Arthur L. (X) 204 Ceramics Bldg. Universitv of Illinois, Urbana, 111. FRIEDMAN,' Louis K. (W) Homer Laughlin China Co. 212 Fifth Ave.. New York, N. Y. R oster {IEDM ANN, Ernesto 990 X. Park Ave., Pomona. Calif. UTZ, Earl C. (\V) 131 Fulton St.. Olean. X. V. (Hi. Q. Div.. Aerovox Corp.) UTZ, E. H. (W FI) 710 Walnut St.. Latrobe. Pa. Ceramic & Mfg. Co.) Laird lG> BBs-Corning Fiberglas Corp. Newark, Ohio iOME, Howell E. (G) United Fuel Gas Co., Box 1273 Charleston 25. W. Ya. tONCZAK. E. T. (Si Natco Corp.. Greentown. Ohio IOST, Leon 1. (E l Box 138. Lewiston. X. V. (Titanium Alloy Mfg. Div. National Lead Co.) tY, Herbert G. National Enamel?*, Ltd.. 53 Xorman Rd. Greenwich. London. S. E. 10, England tYSINGER. James B. (M) Pennsylvania Glass Sand Corp. Two Gateway Center, Pittsburgh, Pa. j'ENZALIDA, Javier H. (R) Foreign Div., American Radiator & Standard Sanitary Corp. 40 W. 40th St.. New York 18, N. Y. JJII, Takashi Institute of Silicate Research University of Toledo. Toledo 6, Ohio JLKER, Richard H. (E l) 1408 Nicklin Ave., Piqua. O hio ^ (Pesnco Corp.) JLLER, A. A. (X) . 322 S. Twyckenham Dr. South Bend, Ind. (Sollit Construction Co., Inc.) JLLER. Donald H. (E l) 335 S. Cook Ave., Trenton, N. J. (Trenton Fabricated Metal Co.) JLLER, L. R. (E l) 1129 E. Walnut St.. Kokomo. Ind. American Corp.) J ^ H | Richard B. (W I) B ^ W 'ayne St.. Sandusky. Ohio (Universal Clay Products Co.) JLLER, Richard G. (W) D. E. McXicol Pottery Clarksburg. W. Va. JLLER, Wilfred (E) General Steel Wares Ltd. Adelaide & Nelson Sts. London. Ont.. Canada JLMER, Raymond C. (W I) Stackpole Carbon Co.. St. Marvs, Pa. JLRATH. Richard M. (R) 1915 Milvia, Berkeley 4, Calif. (University of California) JLTON, Glen B. (E) Norris-Thermador Corp. 5215 S. Boyle Ave. Los Angeles 58. Calif. JNK, James E. (W J) 1355 Crane St., Schenectady. X. Y. (Locke Dept., General Electric Co.) JNKE, W. (G) Owens-Illinois Glass Co. Box 1019, Oakland 4, Calif. JNKHOUSER CO. (J. B. Sauls) Hagerstown. Md. JXXELL. John E. (M I) Southwest Research Institute Box 2296, San Antonio 6. Texas ;RR, Clegg M. (SI) Box 191, Oakboro, X. C. (Kindrick Brick & Tile Co.) JSSELL, Lynn E. (W) 122 Kingston, Louisville. Ky. (General Electric Co.) JSZARA. Lester T. (I) ^ ^ k i t o n Ave.. Perry. X. Y. WG VGI.V. L. V. (G) 2616 Latonia Blvd., Toledo 6, Ohio (Glass Fibers. Inc.) JL. W, No. 1 (1054) GAILEY, Michael D. 2601 W. Montlake PI. Seattle 2. Wash. GAINER, Taylor M. (W) 6505 Evangeline Ave. Louisville 14. Ky. . (American Radiator & Standard Sanitarv Corp.) GAINES, Robert F. (S) 25 Crosby Rd.. Manchester, Conn. (Kelse' Ferguson Brick Co.) GALBREATH. William W .f Jr. (RI) 487 W. St. Charles ,Rd. Elmhurst, 111. (Argonne National Laboratory) GALLAGHER. Thomas F. (G) ' 183 Dalton Dr.. Buffalo 23. X. Y. ( Laclede-Christv Co.) GALU SOX. Herbert E. (M) Worthington Corp. Industrial Mixer Div.. Plainfield. X. J. GALLUP, John (GI) RCA Victor Div. Radio Corp. of America 415 S. Fifth St.. Harrison, X. J, GALUSHA, Richard L. (W) Box 12, Bendersville, Pa. (Kevstone Ceramic Corp.) GALVIN, Richard I. (S) Sheffield Brick & Tile Co. Sheffield 1. Ia. GAMBLE, David L. (E) New Jersey Zinc Co. of Pa. Research Dept., Palmerton, Pa. GAMBLE, John D. (W) Bell & Gossett Co., 8200 Austin Ave. Morton Grove, 111. GAMSOX, Bernard W. (R) Great Lakes Carbon Corp. 8210 Austin Ave., Morton Grove, 111. GAXGLER. James J. (R) 20538 Stanford Ave. Fairview Park 26, Ohio (National Advisory Committee for Aeronautics) GAXGULI, Umapati Bengal Enamel Works Ltd. P. O. Bengal Enamel, Dist. 24 Parganas West Bengal, India GAXIER, Albert F., Jr. (S) W. G. Bush & Co. 174 Third Ave., X., Nashville, Tenn. GAXPULE, Anant K. Parshuram Pottery Works Co., Ltd. Morvi, Saurashtra, India GANTS, Sheldon B. (D) Ceramic Associates, Inc. 3650 Dyre Ave., New York 66, N. Y. GARBISCH. Norbert S. (G) Garco Products, Inc. Box 351, Butler, Pa. GARCIA-LEAL, Ramon (W I) Apartado Postal 1115 Monterrey N. L., Mexico GARCO PRODUCTS, INC. (Norbert S. Garbisch) Box 351 Butler, Pa. GARDEN, Henry R., Jr. (S) Box 508, Salem, Va. (Salem Brick Co., Inc.) GARDNER, Walter E. (W) Rio Panuco 340 Ote. Colonia del Valle Monterrey X. L.. Mexico (Ladrillera Monterrey S. A.) GAREIS, Friedrich "Tassino" Montagnola Lugano. Switzerland (Porzellanfabrik Langethal A. G.) GARFIELD REFRACTORIES CO. (Kenneth A. Rugh) Bolivar, Pa. GARLAND. C. F. (S) Mason City Brick & Tile Co. Mason City, Ia. GARLICK, Oakley H. (M) Paul O. Abbe. Inc. Little Falls. X. J GARLICK. Philip L. (JI) I Gladys St., Cyrildene Johannesburg. South Africa GARSTAXG, Alec King. Taudevin & Gregson Ltd. Grindlegate Works. Scotland St. Sheffield 3. York. England GARVE. T. Walter (SFI) 69 W. Weisheimer Rd. Columbus 14. Ohio (Consulting Engineer i GARVEY. Lawrence P. iRI) RCA Victor, 415 S. Fifth St. Harrison. X. 1. GASKINS, W. \Y. (W I) 1608 Huntington Dr.. Box 390 South Pasadena. Calif. (Sierra Talc & Clav Co.) GATES. Daniel W. IXI) Clemson College. Ceramics Dept. Clemson, S. C. GATES, Louis E., Jr. Box 933, Canton. X. C. GATES, Major E. (R) 1447 Parkview Ave.. Pasadena 3, Calif. GAUDIANO, Victor M. (W) Sanitarios El Aguila S. A. Apartado Postal 26808, Zona 14 Mexico, D. F. GAUXDER. Wilbur F. (G) Pittsburgh Plate Glass Co. Works No. 11. Mt. Vernon, Ohio GAUNT, Charles L. (G) Indiana Glass Co., Dunkirk, Ind. GAUTSCH, Murray C. (M I) *3Ay pueiQ *3 `'dao^ jtuuaqx $ South San Francisco, Calif. GAVIN, G. P. (W) Kohler Co., Kohler, Wise. GAWTHROP, Alfred (S) 885 Maplewood Rd., Lake Forest, 111. (Wedron Silica Co.) GAY, Hayward A. (R) Cincinnati Milling Products Div. Cincinnati Milling Machine Co. 4701 Marburg Ave., Cincinnati 9, Ohio GEIGER, Charles F. (R FI) Carborundum Co., Box 268 Perth Amboy, X. J. GEIGER. Joseph S. (M) 944 Wesley Ave., Evanston, III. (Titanium Alloy Mfg. Div. National Lead Co.) GEISINGER, E. E. (E F ) Pfaudler Co.. 1000 West Ave. Rochester 3, X. Y. GELLER, R. F. (W FI) 5427 York Lane, Bethesda 14, Md. (National Bureau of Standards) GELSTHARP, Frederick (GF) 1134 Park St., Tarentum 1, Pa. (Pittsburgh Plate Glass Co.) GELTMAX, Gerald Box 1009, Alfred, X. Y. GEMMELL, J. G. (M) Golding-Keene Co., Box 456 Keene, X. H. GEMP, Robert W. (R) 500 Michell St., Ridley Park, Pa. (Botfield Refractories Co.) GENERAL CERAMICS CORP. (R. W. Ferguson) Keasbey, X. J. GENERAL COLOR & CHEMICAL CO., INC. (Ham- J. Keener) Box 7 Minerva, Ohio GENERAL ELECTRIC CO. (L. E. Thiess) Locke Dept., Box 57 Baltimore 3. Md. GENERAL ELECTRIC CO. (W. S. Kahlson) Lamp Dept.. Pitney Glass Works Nela Park 12, Cleveland, Ohio GENERAL GLASS EQUIPM ENT CO. (Victor A. Plumbo) 5 S. Virginia Ave. Atlantic City. X. J. R oster 27 g en er a l r e fr a c t o r ie s c o . ' R u --cil i ` : Li;t.-r ! 5 J n Locust Si l ni!ii'lt:;ci:i: - 1. . LXTRY. Rninoc.o ' A cmi. u-ct H. K i r - Inc. Ens: i'uu - t un . ' " . GEO KF, F \\ R. i \ - Ciion.-Miri: L-iii-;. G- Cauor.'irc.rc R.i. GEORGE. W. S.. POTTERY CO. \Y. C G F - l i 'nil--t i r e . GEORGIA KAOLIN CO. i Ri H oliw.eef ' 455 X Bro.ad S: Fit /.met!' X. J GEORGIA PIGMENT CO. i \Y W Ki nem. ; : 1 Sander s vi l l e. Ga. G E R A G H T Y J Cm: j . E ) Chicago H a r d w a r e I bni ndr y Co. Nb-mh Chicagr.. i;: GER BER Om ar L -\V G e r b e r B l u mb i n g Ei x t u r e Ci. 252 X. Cl a r k Et . Chicago, 111. o E R C A R . Franciser J 5. A. Cri *t al eri a* Del U r u g u a y Cnmercii- l -10 1 . .Montc-v ide. U r u g u a y G E R S C H . Herbert iS> 3557 Ont a r i o St . Coiuntbus 11, Ohio ( Cl a vc r a f t CeA G E R S T E X S C H I . A G E R . Y. . Tr. ( R ) Babcock & W i i c o \ Co . Box 925 Augusta. Ga GERSTER. C \Y fWI Lout har. M a n u l a c r u r i n g Co. East Li ver pool . Ohi o GETTO. Allan B on 24fi. A l t r n l . X. Y. G H E R I X G . Le o n a r d <5. i G F l P r e - t o n Lal u- rat er i es. Box 14Q But l er, l 'a. gG iIA aC O M E L L L Dcuicr.ico ^Soc. It. Kefrattari Klarghera WioraGa P\ a ndu.*trie 52 Cn.~. Fn*t. 38 Marghera. Yemce italy GTAXG. A*u Ki m Ciioan l i n ut Ce inc 111 Jo-se Ki/a? Mandaluvnng Rizal Prov iner, Philippines G I B B . M a r y .1. A me r i c a n Gra mie S<ciety - i 55 X Hi gh S: Co l mnbus 14, Ohi o G l i : t `.S, Mc i \ in B - E I Ini aml Steel C. . ; E.i*t Chi cago. Iml. G I P , S O N . F r a n k E. E : A'>ociati'.n of A me r i c a n Rai l r oa i K 5 E Y an Burer. St.. Chi c ago 5. 111 O B S O X . R !.. CW! i 512 E I . ea s ur e A', e . X e w Castle. Pa. ' S :enango China, Inc ' G i E S E K E . Fr.an* Kockuni' Emaiierverk R'!tnebv Swe de n G E S > E d w a r d A. R T> 5-1 Second S t . S*uh A m h m , X J Titanium Piettimt Cnrp., X `t*mtial l a mi < ' G! L E S lana-s I I . Ir i l l l l 5 1 F 3' nk S;.. X \Y. V n*hir.gtor,, D C. ! '<wrciain Litamel ] n * t i u t e ' G l l : i : > . Thot ua s M . W.I i 10 7*t SutTulk Kd Co h i mh u s , Ohi o r 1 )hio St a t e I h u \ i r*itv > GU .n i.i.A X . r. M ; W ) ' X,- Ur *ev I ciam Co . Trt m G[ ; i. lain,- \ ' A` n \ moni ( - `y Texa- P tterv |l. Ji.lir f! R <;; , a- 1 . Ge ! J......i-l : W Muncie. Ind. , Y.ir Bio , I S r 1H - Plaine*. Ib v . , !.. ,\ t! 04! G I L L . I . a U - n u - X i W'l i American Radiator & Standard Sal ut ar} c'ri' . Bov 2 (>S Torranct . C.ib.tb i A L L E S ! ' ! E. H M d b 225 Bi:;.: v av , Xt w A or k 7. X A" G I L L ! \ K 1>, 1~eph U ( D W (' <r.iitv St , l 'l uelr.m. A'a ! lampt 'U h. - t i t ut c ' G ILLIND ER BROTHERS. INC. I. b letciier (ji'hnbi r 1 I' . i n U r v 1-. X A'. I . l U . l X D I - . k ! r k - t i l l a r (i.I> iIT' '!I'.LTr . Ila- TW: U r U la, x' Y. , U I . M ' i . Y W il: lain, F X., 2 1 2 i 'In *; nut S '... I Vr: Ai i i ean; . . !G r n i i g .TX ER. B lict C i\V nin C Finan \ L'ear! S t . Mm I SOX. ,L - , ;ph I* W - n n - u - r R<}:ll Force' T\,.ia'. L,.rc i bait: Work> W - rc i- ti r. Eng'land I.td tiOI.l). Jac ob n- ir I"onte:nay, Pie Pari*:. Seine, F r a n c e irIXTHER. Lawrence B I . i b b e e - C i u e n O ' e r d C, C. 1701 E Br oa dwa y, Todedo Ohi G I R A R D . R. T. ( Ri W o r k s La b o r a t o r y . Gener al El ect r i c C Schenectady. X Y, G I T T E R . Alice Josephine ' M E L 5' J \V. 70th. Xew Y o r k 25. X. Y i Wh i t t a k e r . Cl a r k N' Daniel s, Inc.) GITZEX. Walter H. (Ri 1 Wesley Dr.. Belleville. Ill i Aluminum Co. of America) GIYEX, Conrad W. (E) Great Lakes Steel Corp. Eeorse. Detroit 2. Mich. G L A B A U . Er nest R. ( G ' 254 Somerset Ave.. Taunton, M a - , i General Electric Co ) G l , A D D I N G . Al ber t C. ' S i Gladding Bros. Mfg Co Thi rd & Keyes St.. San Jo*e, Calif GLADDING. McBEAN & CO. 'William O Brandt 1 201 Los Feliz Rlvd. Los Angelos 59. Calif. GLADNEY. Kurt (Gi Fiberglas Canada Ltd . H Sarnia. Ont . Canada GLASER. John H. (Gi X"niseience Tue 112 Cr ooke d Billet Rd , Ha t bor o. P a GRAZE, Francis W <GFL 4100 Gallatin S t , Hyattsville. Md. (National Bureau of Standards) GLEN-GERY SHALE BRICK CORP. ' Gor don F. Few is i Box 182 Wyomissing. Pa. GLENSHAW GLASS CO.. INC. (George W. Meyer Glenshaw. Pa GLOBE-UNION INC. i I. Fl et cher H a r p e r ' ih) E. Ke e f e Ave. . Mi l wa u k e e 1. Wi s G LOSS. Gunter H t R 1nt ernnt i onnl Mi ne r a l s & Clmmicnl Corp. 5-to j H a r r i *<n St . Skoki e 111 GLOSSE.RENNER, D L (M 1 R R 12. Box 2n 1. I ndi anapol i I n d Kaolin, fne ' G L Y N X . T. W <G) Blue Ridge Glass Corp. Kino-pi >rt Tt mi G o P P \RD. U ` T W Box 42S. Hamilton. ' b i t . Canada iC;u,;tbar Porcelain ' L t d ) G O D L J M I X . Gordon C . J r ( GJ 2N-7 A b - d a K Dr . \ p t HU T-!e'i" G Ohi o ' >we::*- ; hbi :* ' da** t o : U . C T I . ' H I l ' S . Dur, K . 1 E ; I:errc, Cur;,. 415(i K. 5,,ill St.. Cl evel and, bihio i . MF T T M A X . Fr ankl i n I'. ( M i S t a n d a r d Sat' d Co. . Gr a n d Ha v e n , M G O I X . b'reii L. i S) ( lladdiir.g, McBeani X Co.. Lincoln. Calif. i a U.DIXG. h o r L S Meta! IVr. Gam* I.td.. Cornwall Smet hw tek 4f>. b.n.gland GOLDING-KEENE CO. i J . G in mmell i Box 45o R1 Keene. X H. o L L D M A X . Ba-il B. i S i 15 a 5 S. St at e St . Chi c ago 5. 111. ' Rhodes 1 hemical Co > Ul.DSMI 'i J ubati R <B i Unuer-div of Chicago Dept of Geologe. Chi c ago 57. 111. G O L D S T E I N . Ma x we l l K. i' M i Balco I\L' earch Lab-. . t - 5 5 Edmon. P . Newark 2 . X .1 ( OMEZ. >ab.a!or Odriuzolu i Rl Fa b r i e a de Lair; 1l o* in<hi*trinies y Refractario.*, S. A . Ap a r t a d o 590 Mont er r ey, X. L.. Me xi c o 'l'LX DFU, Lawton ( \ \ ' i Gonder Ceramic Art*. Ine. Box 44S. Zanesville. Ohi o G L X Z U . E Z . Raul ( O N'i dri er a Mexi co, S A. Lago Zurich 245 Mexi co 17. D. F. Me xi c o ( ii m ) I ) MAX. Gilbert f B tieneral Llectrie Research Lab. The Knolls. Seltenectadv. N. Y. G O O D M A N , H A. t R) ' Dominion Fire Brick & Clay Products (1954) Ltd. Clavbank. Sask., Canada G O O D M A N , James S. ( E) .American Radiator & Standard Sanitary Corp.. S34 E. Broadway Loui sville 4. Kv. G O O D R I C H , Ilobert R. i W L 1422 Santa Barbara Ave. Gl endal e S. Calif. (Gladding. MeBcati & Co.) G O O D W I N . Gail Cr eek Rd.. Holley. X. Y I iO O D W I X , William J a r r a r d ( B) Metal*. Re- ea r c h Labs. El ect ro- Met al l urgi cal Co.. Box 5S0 Niagara Falls, X. Y. GORDON*. Irwin (\Y) RCA Laboratories Piv. Princeton. X. J. G m R M L Y . .Man L i R ) 4*1(1 S h r e w s b u r y St.. Hol de n. M a s s (Norton Co.) GORMLY. Maurice W, (W ) 7550 Miami Hills Dr. . Ma d e i r a . <~'h; (('ineinnnri Milling Products Di\ . Cincinnati Milling Machine Co ) G O R X M . L . H e n r y A. ( M I > 4557 A r d mo r e Rd . S. Eucl i d ('leveland 21. Ohio (Allied Engr. Div . Fe rr o Corp ) G O RS l'C H . Charles \. iM) -\yers Mi ner al Co,. SOb M a r k e t St Za ne s \ ilio. (*>hio OORT, Walter A (W ) Twin Bay village Bolsrr. I.an*bng, X. A*. ( l eni r ai ( ' er ami cs &: St eat i t e (' >rp ) FI OSS. Br uce R. 11 Ha mi l t on St . W t e d s p o r t , N. Y i O T T O . Mrs. R. D. "Wheatlands," Headley Xr. XeW' hnry. Berks. Fng1nn<l < \ 1. Curt;* Co ) G O L D G E . Mon*on V ( M l Mim-s Br anch. 4d F.vdia St, ( ttawa. I nt., ' a n a d a <Dent Mine* <A: Technical Survev i Gi iTb ;1L lames A <RJL 12S2 Gene*see Rd.. < Irvekitld. (.'hi ] ' y ("nrp ' ' Ei; K GOULD. R. E. (W FI) Buffalo Potterv, Inc. ' 25 Hayes PI., Buffalo 10, N. Y. GOWER, Irving W. (R) Dept, of Engineering Research North Carolina State College Raleigh, N. C. VFF, 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., Cleveland 10, Ohio GRAHAM, Durward P. (M) Wiesner-Rapp Co., Inc. 1600 Seneca St., Buffalo 10, N. Y. GRAHAM, John Warren (R) Research Laboratory, Kennametal, Inc. Latrobe, Pa. GRANNEN, Edward A. (W) 77 Sheehan Ave., Cincinnati 15, Ohio (Cambridge Tile Mfg. Co.) GRANT, Frederic J. (D) Grant-Jacobv Co. 527 W. Seventh St., Rm. 303 Los Angeles 14, Calif. GRANT, Mrs. Frederic J. (D) Smoke Tree Ranch, Palm Springs, Calif. . V (Grant-Jacoby Co.) GRAY, Thomas J. (B) . Box 814, Alfred, N. Y7" . . . . ( New York State College of Ceramics) 1GRAY, William T. (G) Leeds & Northrup Co. 4901 Stenton Ave., Philadelphia 44, Pa. . "GREAT LAKES FOUNDRY SAND CO. (C. L. Cruikshank) , V 720 United Artists Bldg. Detroit 26, Mich. ' jftEEN, A. P,, FIRE BRICK CO. l(R. S. Bradley) I Research Dept., Mexico, Mo. . JEN, A. T. (F) - British Ceramic Research Assn. f Queen's Rd., Penkhull Stoke-on-Trent. England - GREEN, Allen P. fR) : . A. P. Green Fire Brick Co. Mexico, Mo. GREEN, D. T. (S) Milton Brick Co., Ltd., Box 554 - Milton, Ont., Canada G REEN , John R. (MI) Minneapolis-Honeywell Reg. Co. ' Wayne & Windrim Aves. -. Philadelphia 44, Pa. - GREEN, Robert L. (W ) Lenox, Inc., Meade St. : Trenton, N. J. GREEN, R. S. (BI) 18 S. Jefferson Rd., Mexico, Mo. . (A. P. Green Fire Brick Co.) . GREEN, Robert S. (X) Engineering Experiment Station Ohio State University ; Columbus 10, Ohio GREENBERG, Sidnev A. (B) 377 Windsor St. North Plainfield, N. J. . (Johns-Manville Research Center) "G R EE N E, Charles F. (R) ,y: 540 Rogers Dr., Macon, Ga. yf. ( B u r n s Brick Co.) GREENE, Charles H. (G) Box 804. Alfred, N. Y. ' (N. Y. State College of Ceramics) gEEN E, J. F. (GF) 1043 New Pear, Vineland, N. J. (Kimble Glass Co.) iEEN E, Robert H. (E) Canadian General Electric Co., Ltd. 5781 Notre Dame E. Montreal, Que., Canada Vol. 33, No. 10 (1954) GREENLEE, Charles A. (R) Basic Refractories, Inc. GUMMESON, P. Eg. Hoganas-Billesholms Aktiebolag - 845 Hanna Bldg., Cleveland 15, Ohio Hoganas, Sweden GREGER, Herbert H. (R) GUNTHER, F. W. (S) R.R. 1, Rockville, Md. 849 Baker Ave., N. W. (U. S. Bureau of Mines) New Philadelphia, Ohio GREGORIUS, J. S. (GFI) (Universal Sewer Pipe Corp.) Pittsburgh Plate Glass Co. GUXZENHAUSER, Adolph (M) One Gatewav Center, Pittsburgh 22, Pa. Industrial Consultant, 617 W. End Ave. GREGORY, G. A. (G) New York 24, N. Y. Ball Brothers Co., Muncie, Ind. GUSTAFSON, Carl H,, Jr. (R) GRENIER, Lee (R.) Montana Dr., Holden, Mass. Magnet Cove "Barium Corp., Box 832 (Norton Co.) Greybull, Wyo. GUTHRIE, George GRESHAM, Lucius C, Jr. (S) "Ochil" Harrow Rd., Sudbury Hill Acme Brick Co., Monroe, La. Wembley, Middlesex, England GREWER, P. Douglas (British Bath Co., Ltd.) 4035 Sheridan Rd., Chicago 13, 111. GUTHRIE, George B. (W) GRIFFIN, Thomas W. (G1 642 Louisiana Ave., Chester, W. Va, 213 Bushy Hill Rd., Weatogue, Conn. (Hall China Co.l (Hartford-Empire Co. GUTMANN, Paul F. (G) Div. of Emhart Mfg. Co.) GRIFFIN, William R. (W) 88 Angelica St., St. Louis 7, Mo. (Mississippi Glass Co.) Solar Mfg. Corp. GUZMAN, Hector 46th St. & Seville Ave. Box 382, Rio Piedras, Puerto Rico Los Angeles, Calif. (Puerto Rico Glass Corp.) GRIFFITH, J. Scott (R) GZOWSKI, Edward R. 5524 W. Adams St., Chicago 44, III. 59 Drake St., Oakfield, N. Y. (Armour Research Foundation) GRIFFITH, R. E. (R) R.R. 1, Malvern, Pa. H (E. J. Lavino & Co.) HACKETT, James W. (G) GRIFFITH. William A. (I) 3614 Kenwood Blvd., Toledo 6, Ohio 806 16th St.. Niagara Falls, N. Y. (Owens-Illinois Glass Co.) GRIFFITHS. Norman HACKLER, W. C. (W I) Nonporite Pty. Ltd. Ceramic Section 292-296 Burwood Rd. Engineering & Industrial Exp. Station Hawthorn E 2. Victoria, Australia University of Florida, Gainesville, Fla. GRIGG, Arthur (R) HAECKER, Arthur J., Jr. (R) Denver Sewer Pipe & Clay Co. 67 Frost Ave., Frostburg, Md. Box 2329, Denver 1, Colo. (National Refractories Co.) GRIGG. Paul E. (E l) HAEGER POTTERIES, INC. 338 N. Dover Ave. (Joseph F. Estes) 7 Maiden Lane La Grange Park, 111. Dundee, 111. (Armour Research Foundation) GRIM, Ralph E. (X) Dept, of Geology, Univ. of Illinois Urbana, III. GRIMM, Clayford T. (S) Clay Products Assoc, of the Southwest 109 Perrv-Brooks Bldg., Austin 1, Texas GROBB, F. S. (R) HAFF, Robert S., Jr. (R) Norton Co., Refractories Div. Sales Engr. Dept., Worcester, Mass. HAFNER, Harold C. (G) Bausch & Lomb Optical Co. Chemical Research Lab. Rochester 2, N. Y. G. F. Sterne & Sons, Brantford, Ont., Canada GROOME. Garland L. (R) Ltd., 126 Bruce StH. AGMAiNdw, eMst. A. (RI) Research Inst. 4049 Pennsylvania, Kansas City, Mo. 1347 Cambria St., Baltimore 25, Md. HAGAR, Donald (W FI) (Harbison-Walker Refractories Co.) Box 328, Zanesville, Ohio GROSS, Harold I. (W) (Donald Hagar Ceramic Materials) Santa Anita Potteries 3117 San Fernando Rd. Los Angeles 65, Calif. HAGEDORN, E. C. (G) Technical Center Owens-Illinois Glass Co. GROTHAUS, Joseph V. (R) 1700 N. Westwood, Toledo 7, Ohio 3008 Cheltenham PI., Chicago 49, 111. HAGENAUER, Carl J. (G) (United States Steel Corp.) R.R. 1, Sarver, Pa. GROVE, Robert L. (W I) (Pittsburgh Plate Glass Co.) 26 Rockland St. HAGERMAN, R. Scott (RI) South Dartmouth, Mass. 900 Wilmington Rd., New Castle, Del. (Cornell-Dubilier Elec. Corp.) (Chemax Manufacturing Corp.) GRNER, Max N. (R) HAGGLUND, Erik (M) Harbison-Walker Refractories Co. Kanthal Corp., Amelia PI. 1325 Ambassador Bldg., St. Louis 1, Mo. Stamford, Conn. GRUVER. Robert M. HAGNER, Fred F. (G) 1160 Oneida St., State College, Pa. Phoenix Glass Co., Monaca, Pa. GSCHWIND, Jean F. (M) HAGY, Henry E. (G) Ross Midwest Fulton Corp. Coming Glass Works Laboratory 918 Woodley Rd., Dayton 3. Ohio Coming, N. Y. GUERCI. Carl F. (W) HAHN, William P. (G) 1444 Westgate Dr., Bethlehem, Pa. 80 Norwood Ave. (Western Electric Co.) North Plainfield, N. J. GUIMARAES, Helio Pentagna (Johns-Manville Corp.) Caixa Postal 1355 HAHNER. Clarence H. (GF) Belo Horizonte, Brazil National Bureau of Standards G l'LICK, Chester (W) Washington 25, D. C. Kentucky-Tennessee Clay Co., Inc. HALDEN, Frank A, 807 City Savings Bldg., Alliance, Ohio 825 Clark Ave., Ames, la. GULLTNGS, LeRoy V. (G) HALDY, Norman L. (W ) 126 Parkway Dr.. Wabash, Ind. American Encaustic Tiling Co. ( American Rock Wool Corp.) Lansdale, Pa. R o s t e r 31 t ! HALEM, Robert G. Babcock & Wilcox Co. Research Center, Box 835 Alliance, Ohio HALL, Andrew E. 417 Cliff PL, Birmingham. Ala. HALL CHINA CO. W. Thompson) ^ ^ ^ E a s t Liverpool, Ohio ^^m L L , Donald H. Box 787. Alfred. X. V. HALL, E. B. M /S Bird & Co. Ltd., Research Dept. Chartered Bank Bldgs. Calcutta, India HALL, Everson (W) Park Way Ext., East Liverpool, Ohio (Hall China Co.) HALL, F. P. (W F) Pass & Seymour, Inc. Syracuse 9, N. Y. HALL, H. Tracy (G) General Electric Research Lab. Box 1088. Schenectadv, X. Y. HALL, John T. (W ) Elysian Wav, East Liverpool, Ohio : (Hall China Co.) HALLER, Percy ,Y; ' 319 Carterknowle Rd., Sheffield 11, England (John G. Stein & Co., Ltd.) IIALLER, Wolfgang K. (B) ' Inst, of Silicate Research , University of Toledo, Toledo 6, Ohio HALLETT. Crawford W. (R I) ... > - Ceramic Supply Co., B o x '106 : Crooksville, Ohio HALLOIN, William G. (G) ' 1 2 1 8 Broadview Blvd. I ; Brackenridge, Pa. -i - (Pittsburgh Plate Glass Co.) HALM, Louise ; ; Y Union Franaise des Produits Rfractaires, 15, Rue de Milan ' sSY Paris 9e, France jfehMAKER, M. L. (R) ^^^HColumbia Fire Brick Co. First National Bank Bldg. - . Canton 2, Ohio HAMILTON, Edgar H. (G) - National Bureau of Standards Washington 25, D. C. HAMILTON. Noble E. (R) 1 399 Lake Ave., Rochester 6, N. Y. V (C o n so lid a te d Vacuum) HAMILTON, W. M. (E) Crane Co., Chattanooga Div. . \ Chattanooga, Terni. HAMME, Donald G. (XI ' : National Gypsum Co., Research Center 1650 Military Rd,, Buffalo 17, N. Y. ; HAMMER, Averill J. (SI ; r Dept, of Chemistry .. Bowling Green State University ' Bowling Green, Ohio .HAMMER. Gunter . c/o Messrs. R. Fowler Ltd., Box 9 YY Marrickville, N.S.W., Australia .; H a m m e r , r . (i) Box 5212 (Nachla), Haifa. Israel -, (Palceramic, Ltd.) Ham m ond l ea d pr o d u c ts, in c . (William P. Wilke, III) , 5231 Hohman Ave., Box 912 Hammond, Ind. HAMPEL, Richard J. : 720 Cass St., Trenton. X. J. Hancock b r ic k & t il e co . 'r (James L. Child, Jr.) Box 59 . Findlav, Ohio y H a n c o c k . Russeii a . ' 83 Water St. Auburn Sydney N.S.W., Australia jjWD, Thomas CR) ^^^^ C orhart Refractories Co. 1600 W. Lee St.. Louisville 10, Ky. ^ H A N D E X , Jack ( GJJ * 355 Hoffman St., Elmira. X. Y. Y' (Westinghouse Electric Co.) ; / Vol. 33, No. 10 ( 10:>4) HANDWERK, Joseph H. (B) 915 X. Prairie Ave., Joliet, 111. (Argonne National Laboratory) HANES. John G. (R) Republic Steel Corp.. Warren, Ohio HANKS. Charles F,, Jr. (W) Kentucky-Tennessee Clay Co. 807 City Savings Bldg. Alliance, Ohio HANLEY CO. (Charles E. Bates) Summerville. Pa. HANLON, Charles W. (M) Hauck Mfg. Co., 124--136 Tenth St. Brooklyn 15, N! Y. HANN, Douglas G Caynton, Shifnal. Shropshire, England (British Heat Resisting Glass Co.) HANN, G. C. (G) Minnesota Mining & Mfg Co. 900 Fauquier Ave., St. Paul 6, Minn. HANNA. H. H. (GI) Pittsburgh Plate Glass Co. 100 Mississippi Ave. Crystal City. Mo. HANNA, Ralph E. (W I) Square D Co., Molded Insulation Div. Peru, Ind. HANNA, Richard (RJ) Hartford, N. Y., (General Electric Co.) HANNON. Richard C. (W I) 1208 Franklin Rd., Salem, Ohio (R. T. Vanderbilt Co., Inc.) HANOVIA CHEMICAL & MFG. CO. (R. T. Vanderbilt Co., Inc.) East Newark, N. J. HANSARD. W. Carey (W I) 2345 Cheshire Bridge Rd., N. E. Atlanta, Ga. (Georgia Institute of Technology) HANSELL, U. G. (W) Honeywell Research Center 500 Washington Ave., S. Hopkins, Minn. HANSEN, I. A. (W) Fords Porcelain Works Perth Amboy, N. J. HANSEN, J. E. (EFI) Ferro Corp., 5309 S. District Blvd. Los Angeles 22, Calif. HANSEN, John H. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo, Ohio HANSEN, Kenneth H. (M) 507 Edgewood Ave., Columbia, Mo. (Consolidated Feldspar Dept., International Minerals & Chemical Corp.) HANSEN, Valdemar Kastrup Glasvaerk Ltd. Norrevoldg. 12, Copenhagen K, Denmark HANSEN, Waldemar C. (R) Universal Atlas Cement Co. Gary (Buffington Station), Ind. HANSON, G. G. (M) International Minerals & Chemical Corp., Consolidated Feldspar Dept. 4436 N. Maplewood Ave. Chicago 25, 111. HANSON, Hans R. (R) 30004 W. Ten Mile Rd. Farmington. R.R., Mich. (Hanson Co.) HARBERT. Carl (M) Harshaw Chemical Co., 1945 E. 97th St. Cleveland 6, Ohio HARBISON-WALKER REFRACTORIES CO. (W. F. Rochow) 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. HARCOURT, Edward L. (M) North American Mfg. Co. 3810 West St., Cincinnati 27, Ohio H ARDER. Charles M. ( DF) New York State College of Ceramics Alfred. X. Y. HARDING, John Roy 4 Greenway, Horsham, Sussex, England (Sussex & Dorking United Brick Co., Ltd.) HARDINGE CO., INC. (Harlowe Hardinge) York, Pa. HARDINGE, Harlowe (M) Hardinge Co., Inc., York. Pa. HARDY, Ronald G. (SI) Onondaga Brick Corp., Warners, X. Y. HARES, George B. (G) 15 Roosevelt St., Corning, X. Y. (Corning Glass Works ) HARGREAVES, John 26 Kirk Lane Yeadon, Nr. Leeds, England HARKER POTTERY CO. (Robert E. Boyce) East Liverpool. Ohio HARMAN, C. G. (WF) Horizons, Inc.. 2891 E. 79th St. Cleveland. Ohio HARX1SH. John D.. Jr. (W I) Westinghouse Electric Corp. Derrv, Pa. HARPER, J. Fletcher (W) Globe-Union Inc.. 900 E. Keefe Ave. Milwaukee 1, Wise. HARPER, Roderick L. (M) Harper Electric Furnace Corp. 39 River St., Buffalo 2, N. HARPER, Wallace T. (RJ) 1645-D 16th St., Los Alamos, N. M. (Los Alamos Scientific Laboratory) HARR, W. J. (WI) 6454 Bloomingdale, Chicago 35, 111. (Mevercord Co.) HARRe Ll , George O. (D) 607 Wicker St.. Sanford, X. C. (Harrop Ceramic Service Co.) HARRINGTON, Henry W. (G) 132 Stafford Ave., Syracuse 6. N. Y. ( Solvay Process Div., Allied Chemical & Dve Corp.) HARRIS, Arthur L. (W ) Harris Clay Co., Dillsboro, N. C. HARRIS, David H. (W ) Shenango China, Inc.. New Castle, Pa. HARRIS. George M. (G) Hanovia Chemical & Mfg. Co. 100 Chestnut St., Newark 5, N. J. HARRIS, Henry M. (S) 5226 Holly St., Seattle 8. Wash. (U. S. Bureau of Mines) HARRIS, James E. (S) 4685 S. Sherman. Denver, Colo. IRobinson Brick & Tile Co.) HARRIS. Joe N. 412 Florida Ave., S. E. Atlanta, Ga. HARRIS, Ransom S. 3107 Douglas t., Raleigh. X. 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) National Bureau of Standards Industrial Bldg., Enameled Metals Sect., Conn. Ave. at Van Ness St. Washington 16, D. C. HARRISON, William B. (RJ1) 5325 W. Hadley St. Milwaukee 10, Wise. ( Allis-Chalmers Mfg. Co.) HARSELL. William B. 345 Union Ave.. Elizabeth. X. I. HARSHAW CHEMICAL CO. ICarl Harbert) 1945 E. 97th St., Cleveland 6, Ohio HARTFORD-EMPIRE CO. DIV. EMHART MFG. CO. (Karl E. Peiler) Box 1620 Hartford, Conn. HART, John M. (W) New Jersey Porcelain Co., Box 908 Trenton 5. N. J. HART. John R. 525 Lansing St., Raleigh. X. C. Roster 33 HART, Leroy D. (Kj 707 Crompton Court Webster Groves 19, Mo. (Aluminum Co. of America) HART, Wade J. (GI) .908 Lafayette Court, Marion, 1ml. (Radio Corp. of America) IRTFORD, Thomas J. (W I) 1091 X. Lake Ave., Pasadena 6, Calif. ' (Gladding, Me Bean & Co.) HARTLEY, Alva G. H. Downing & Co. Ltd. New Castle. Staffs, England HARTSHORN, T. D. (E l) ' A. J. Lindemann & Hoverson Co. , Milwaukee 15, Wise. HARTW1G, Frederick J,, Jr. (R) Babcock & Wilcox Co., Box 835 Alliance. Ohio HARVEY, A. M,, Jr. (S) Roanoke-Webstcr Brick Co., Box 7SU Roanoke 5, Va. HARVEY, Edwin T. (R) 314 W. McPike St., Vandalia, Mo. - (Harbison-Walker Refractories Co.) HARVEY, Joseph S., Jr. (G) . 465 Centre St., Quincy, Mass. : . (Raytheon Mfg. Co.) HASKO, Stephen (W I) 1510 Wheaton Lane, Silver Spring, Md. ' - (National Bureau of Standards) - HASSELBACH, William (G) '< Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo Ohio . HASSETT, William A. (W ) ' Knox Porcelain Corp., Box 2031 .. . " Knoxville, Tenn. ; HATCH, Robert A. (B) / , Bureau of Mines ' ' Electro-technical Laboratory ' . Norris, Tenn. - HATHAWAY, A. J. (R) ` ' 8721 Pershing Ave. Niagara Falls, N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) t R t HAWAY, Isaac S. (W ) : . 1318 Tuttle Ave., Montgomery, Ala. i.` (Alabama State College) HAUCK, Charles A. (RI) 3234 Kenyon Rd., Columbus, Ohio . (Ohio State University Research Foundation) HAUSER, Richard E. (I) - 351 Moselle St., Buffalo 11, N. 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, 111. (Eagle Grinding Wheel Co.) / HAVENS, Irvin F. (XJ) 7, R.R. 1, Belfast, N. Y. ' HAVILAND & CO., INC. (Theodore Haviland II) 270 Park Ave. New York 17, N. Y. HAVILAND, Theodore II (W ) Haviland & Co., Inc., 270 Park Ave. New Y'ork 17, N. 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 h a w k e , c . e . (R) .. Carborundum Co., Perth Amboy, N. J. HAWKINS, James M. (S) Buffalo Brick Corp., 448 Franklin St. Buffalo, N. Y. VKINS, Robert J. (RI) 20 Sunnyside PI., Hamburg, N. Y. (Buffalo Brick Corp.) HAWKS. Ralph L. (R) Holt St., Hopkinton, Mass. (Stvlon Corp.) Vol. 33, No. 10 (1954) HAWKS, U'illiam L. (R) HELLER, Enrique 48 Chester Circle, Apt. 2A c/c Cerro de Pasco Corp. New Brunswick, N. J. La Orova, Peru (Savre & Fisher Brick Co.) HELLIESEN, Richard O. HAWS REFRACTORIES CO. Box CC, Alfred, N. Y. (E. E. Slick, Jr.) 407 Main St. HELLRIEGEL, Edgar J. (R) Tohnstown, Pa. 986 Hale St., Apt. B, Pottstown, Pa. HAY, John (Robinson Clay Products Co. ) 58 W'estholmes Gardens HELM, David F. (B) Musselburgh, Midlothian, Scotland Mellon Institute, Pittsburgh 13, Pa. HAY, Joseph L. (R) HELMKAMPF, R. N. (G) Acme Brick Co., Box 448 Laelede-Christy Co. Malvern, Arkansas 2000 Hampton Ave., St. Louis 10, Mo. HAYDON, Mary P. (B) HELSER. Perry D. (W FI) 106 Ogontz Lane, Oak Ridge, Tenn. 3604 Rosemarv Ave., Glendale 8, Calif. (Oak Ridge National Laboratory) HELZ, Armin W. (W) HAZEL-ATLAS GLASS CO. 20 Maryland Ave., Gaithersburg, Md. (Francis C. Flint) (LT. S. Geological Survey) 15th & Jacobs Sts., Wheeling, W. Va. HEMBERG, Per HAZEL. John J. (R'F) Surte Glasswork, Surte, Sweden Republic Bldg., Rm. 1526 HEMPHILL. R. W. (W) Republic Steel Corp., Cleveland 1, Ohio Colonial Insulator Co., 945 Grant St. HAZEN, E. J. (GI) Akron 11, Ohio R.R. 2, Ford City, Pa. HEMSTEGF.R, Samuel E. (E l) (Pittsburgh Plate Glass Co.) R.R. 2, Windsor, Vt. HEALY, James H. (E) (Consulting Engineer) 4511 N. Sherman Blvd. HENBY, E. B. (M) Milwaukee 16, Wise. National Engineering Co. (A. O. Smith Corp.) Simpson Mix-Muller Div. HEATH, Donald L. (B) 549 W. Washington Blvd. Ohio Brass Co., Park & Ninth Chicago 6, 111. Barberton, Ohio HENDERSON, Frederick C. (W F I) HEAT LEY, Sidney M. (SJ) Royal China, Inc., Sebring, Ohio 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 505 King Ave., Columbus 1, Ohio HEDGES, Lee M. (R) R.R. 4, Cedar Grove Rd. Somerville, N. J. (Johns-Manville Products Corp.) HENDERSON, James L,, Jr. (M) Robinson Ventilating Co. Zelienople, Pa. HENDERSON, William W. (S) Robinson Ventilating Co., Box 217 Zelienople, Pa. HENDREN, Robert R. (RI) 105 Bank Ave., Riverton, N. J. (Richard C. Remmey Son Co.) HENDRYX, Dwight B. (S) 6621 Darlington Rd. Pittsburgh 17, Pa. (Dwight B. Hendryx & Associates) HENLY, H. Maynard (M) HEDGPETH, James A. (S) 1376 River Ave., Pittsburgh 12, Pa. Borden Brick & Tile Co., Box 1771 (Titanium Pigment Corp.) Durham, N. C. HENRAR, J. M. G. HEDIN, Claes Olof N. V. Porselein en Tegelfabriek c/o Malardalens Tegelbruk MOSA MAASTRICHT Stockholm 3, Sweden Meerssenerweg HEDQUIST, Alfred J. (W) Maastricht, Netherlands Apartado Postal 525 HENRY, Edward C. (X FI) Guadalajara, Jalisco, Mexico 1121 Westmoreland Ave. (Loza Fina S. A.) Syracuse 10, N. Y. HEEBNER, John C. (RI) (General Electric Co.) 7064 Glenmeadow Lane HENRY, Frank R. (RF) Cincinnati 37, Ohio Simonds Worden White Co. (Cincinnati Milling Machine Co.) N. Summit St. & Negley PI. H EFTI, Franz c/o Zrcher 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 M. Farbenfabriken Bayer, (220) Leverkusen-Bayerwerk, Germany HEINDL, Raymond A. (RF) 4917 43rd St., N. W. Washington 16, D. C. (National Bureau of Standards) Dayton 7, Ohio HENRY, Georges Directeur General a/s Union des Verreries Mcaniques Belges, 41, Quai de Brabant Charleroi, Belgium HENRY, Kenneth M. (GF) Owens-Illinois Glass Co. 1700 N. Westwood Ave., Box 1035 Toledo 6, Ohio HENSLER, J. R. (G) Chemical Research Lab. Bausch & Lomb Optical Co. Rochester 2, N. Y. HENSON, Charles W. (R) Norton Co., Worcester 6, Mass. HEINE, H. W. (S) Hudson Supply & Equipment Co. 1727 Pennsylvania Ave., N. W. HENSON, W. H. (R) 65 Whitman Rd., W'orcester 5, Mass. (Norton Co.) Washington 6, D. C. HENWOOD, Reginald J. (R) HEISCHMAN, Fred E. (W) 9444 Lynnhaven Rd. 106 S. Adams St., Fostoria, Ohio Cleveland 30, Ohio (Electric Auto-Lite Co.) (Republic Steel Corp.) HEISLER, John C , Jr. (M) HEPLER, Ernest C. (R) Eagle-Picher Co.. Oliver Bldg. 329 Andover Rd., Fairless Hills, Pa. Pittsburgh 22, Pa. (LL S. Steel Corp.) Roster 35 HEPPLEW HITE, J. W. (WF1) ' 13557 Cedar Rd.. Cleveland IS. Ohio (Ferro Corp.) HERBERT, John S. (S) 174 Third Ave., X-, Nashville 3. Tenu. (W. G. Bush & Co.) HERBERT, John \Y. (W) 4647 \Y. 150th St., Cleveland 11, Ohio (Brush Electronics Co.) RGER, Howard C. (G) Pierce Glass Co.. Port Allegam, Pa. HERKO, Edward (GI) 4494 Culver Rd., Sea Breeze. X. V. (Bausch & Lomb Optical Co.) HERMANN, James L. (W l 3288 Earlmar Dr. Los Angeles 64. Calif. (Redondo Tile Co.) HEROLD, Paul G. (XF1) Missouri School of Mines, Rolla. Mo HERPEL, Clarence M. IS) Cherokee Station. Box 5 Louisville 5, Ky. (Southern Brick & Tile Co., Inc.l HERTZELL, E. A. (R) 1111 Chestnut St., Dover, Ohio (Robinson Clav Products Co.) HESS, F. B. (G) Brockwav Glass Co., Inc. Brockwav. Pa. . HESS, Robert L. (R) 44 Hess Blvd., Lancaster, Pa. . (Armstrong Cork Co.) , HESSINGER, 1/Lt. Philip S. (R JI) Box 8832, Wright Air Development Ctr. ' Wright-Patterson AFB/TDayton, Ohio HEUER, Russell P. (RF) Y General Refractories Co. ^ 1520 Locust St., Philadelphia 2, Pa. A H EW ITT, Arthur E. ` ' (W. T. Copeland & Sons Ltd.) , i Spode Works, Stoke-on-Trent, England HEW ITT, L. C. (R FI) Laclede-Christy Co. 4705 Ridgewood Ave., St. Louis 16. Mo. W LETT, 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, N. V. . (Corning Glass Works) HICKS. Robert G. (E) 608 21st, Bettendorf, la. (Herman Nelson Div., AAF) ' J HIERNAUX, Marcel 2, Lgue rue d'Argile, Anvers, Belgium (Verreries des Hamends) HIGGINS, Ray (W) , ';v.) 191 Overlook Ave., Wadsworth, Ohio W'l-:.' (Ohio Brass Co.) HIGGINS, Waldo W. (E F I) ;.N 655 S. Harrison Ave., Kankakee, III. (A. O. Smith Co-p., Permaglas Div.) HIGGS, Harold P. (B) v 312 E. Scribner Ave., DuBois, Pa. ( (Jeffers Electronics) ; ; HIGMAN, John W,, Co. Y (Robert J. Stone) 24 State St. New York 4, X. Y. " HILDEBRAND, David (W J) , Box 963, Alfred, N. Y. HILL, Dudley A. (M) V. U. S. Testing Co., Inc. /: 1415 Park Ave., Hoboken, X. J. , HILL, Ercell C. (SF) Vi 114-23 196th St. St. Albans 12, X. Y. _ HILL, John R. (S) 403 Edgewater Apts. Charleston, W. Va. (Charleston Clay Products Co.) HILL, Lawrence I. (G) 507 Carver Blvd., Toledo 7, Ohio (Libbey-Owens-Ford Glass Co.) Vol. 33, No. 10 (1054) HILL, William B. (GJ) Corning Glass Works HOFSTETTER, G. W. (E) Ferro Corp., 336-338 X. Central Ave. Research & Development Div. Chicago 44, 111. Corning. X. Y. HOGAN, Thomas W. (W l HILLING. James L., Jr. Flintridge China Co. 12q Maple Av^., Altoona. Pa. 350-380 S. Raymond Ave. HINCKLEY. Arthur T. (R) Pasadena 1, Calif. Oldbury Electro-Chemical Co. HOGEXDOBLER, H. R. (G) Niagara Falls, X. V. Gustin-Bacon HIND. Stanley Fairfax Industrials Dist. "The Mount," Etruria Rd. Basford, Stoke-on-Trent, England (Consulting Engineer) HIN DES, Stanley V. (M) 8S I'nion Ave., Pittsburgh 5. Pa. I Pemco Corp.) HINDS. H. Clark (D) Harker Pottery Co. East Liverpool, Ohio DINKINS. E. A. (G.i Tvgart Valley .Glass Co., Box 505 Washington, Pa. Hl.NTZE, Wollmar W :son Agatan 12, Bromolla, Sweden i A. B. Ifoverken) H1RSSIG, Carl F. (G) 4554 Westway, Toledo 12. Ohio (National Lime & Stone Co.) H1SCOCK, Harley J. (R) Kansas City. Kans. HOGENSOX, William (E) Chicago Vitreous Corp. 1425 S. 55th Court, Cicero 50. Ill HOHMAXX. Frederick R. (Gi 1012 Parkview Ave. New Kensington, Pa. (Pittsburgh Plate Glass Co.) HOLDEXER, Irwin K. (E ll Hill Top Tr. Ct.. Bedford, Ohio HOLL. Barton A. (Sj Logan Clay Products Co., Logan. Ohio HOLL. Barton S. (SI) 479 E. Main St.. Logan, Ohio (Logan Clay Products Co.) HOLLEY, Kenneth E. (R) 113 Pritchard Ave., Corning. X. Y. (Corning Glass Works) Fuller Merriam Co., Box 69 HOLMES, Gregory J. West Haven, Conn. Rutgers University, 78 Easton Ave. HITCHINS, R. A. (R) New Brunswick, N. J. National Refractories Co., Inc. HOLMES, John M. (S) 17th Floor, Lewis Tower Bldg. 406 N. Steel St., Sanford, N. C. 225 S. 15th St., Philadelphia 2, Pa. (Lee Brick & Tile Co.) HITXER, Jan K. (S) Zonolite Co., Box 217 HOLMES, Lyle A. (M) 82 Pilgrim Rd., Rosslyn Farms Travelers Rest, S. C. Carnegie, Pa. HITZEMAN, Roger L. (W JI) (Great Lakes Foundry Sand Co.) Globe-Union Inc., 900 E. Keefe Ave. Milwaukee 1, Wise. HOLMES, Roland G. (S) W. S. Dickey Clay Mfg. Co., Box 402 HOAGBIN, Joseph E. (B) Pittsburg, Kans. 1200 W. Cross St., Ypsilanti, Mich. (LTniversity of Michigan) HOLMQUIST, Stig B. Box 54, Alfred, N. Y. HOARE, Henry A. (W) 2655 Sharondale Dr., N. E. HOLMSTROM, Joseph H. (R I) 4316 Cedar Ave., Minneapolis, Minn. Atlanta, Ga. (Georgia Sanitary Pottery, Inc.) HOBSON, Joe P. (S) Acme Brick Co., Box 425 (General Refractories Co.) HLSCHER, H. H. (GF) Owens-Illinois Glass Co. Technical Center, 1700 Westwood Ave. Fort Worth 2, Texas Toledo 1, Ohio HOCKING, William J. (W) 1612 Pennsylvania Ave. East Liverpool, Ohio HOLST, Tage Vinkelvej lo, Kongens Lyngby, Denmark ( Porcelnsfabriken Danmark A /S) (Hall China Co.) HODGDON, Frank B. (B) Box 44, Station B, Toledo 6, Ohio fOwens-Illinois Glass Co.) HODSON, George N. The Hall, Wymeswold Nr. Loughborough, England (Hathernware, Ltd.) HODSON, 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) 5010 Mayfield Rd., Lyndhurst 24, Ohio (Enamel Products Co.) HOEMAN, Erwin C. (R) Dugway Proving Ground, Tooele, Utah HOENIG, Clarence L. University of Illinois Dept, of Ceramic Eng., Rm. 204 Urbana, 111. HOFFMAN, Carl R. (G) 1308 Seventh St., Moundsville, W. Va. (Fostoria Glass Co.) HOFFMAN, Sidney C. (G) 1646 Lindy Lane, Lexington. Ky. HOLTERHOFF, A. Gray (M) 307 E. Fourth St., Cincinnati 2. Ohio (National Sales Corp.) HOMMEL, E. M. (EF) O. Hommel Co., Box 475 Pittsburgh 30*, Pa. HOMMEL, O., CO. (E. M. Hommel) Box 475, Pittsburgh 30, Pa. HONSBERG, Werner (W) Apartado 508, Mexico D. F,, Mexico (Fabrica de Loza El 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 (Sylvania Electric Products, Inc.) HOPKINS, Robert W. (GI) HOFFMAN, Willard H. J. (W) Calumite Co., Box 151 8 Dungarrie Rd., Baltimore 28, Md. Hamilton, Ohio (Clinehfield Sand & Feldspar Corp.) HOPPER, R. T. (D) HOFFNER, Jere R. (G) T. C. Wheaton Co., Millville. X. J. Hanovia Chemical & Mfg. Co. 1 W. Central Ave., East Newark, N. J. Roster 37 *>y1y a * HRAK, William (R FI) `223 Raymond Rd. : West Hartford 7, Conn. ' . (Hartford Empire Div., , Emhart Mfg. Co.) HORN, William F. (GJ) R. R. 2, Monongahela, Pa. IRNFISCHER, Harvey W. (W) 377 W. Brockton, Royal Oak, Mich. (Champion Spark Plug Co.) HORNING, Roy A. (GFI) Armstrong Cork Co., Lancaster, Pa. .HORNUNG. Martin R. (W I) 140 E. Sheridan Ave., New Castle, Pa. . (Shenango China, Inc.) HORTON, Paul B. (W I) 1 Locke Dept., General Electric Co. ' Box 57, Baltimore 3, Md. rHOSSENLOPP. Arthur M. (W I) ; 28 Kendall Ave.. Maplewood, N. J. i (Henrv L. Crowley & Co., Inc.) HOSTETTER, J. C. (GFI) 1561 Dale Ave., Winter Park, Fla. - (Consultant > , 'HOUCHINS. Henry R. (W ) . Carborundum Co., Niagara Falls, N. Y. HOUDESHELL. Robert J. (M) -'S/p 215 Basswood Ave., Apt. B *t... Dayton 5, Ohio i'Tit (International Clay Machinery Co.) iH U G H , James T. ?6S6 Llewellyn PI., Charlotte, N. C. JGHTON, Amory (G) g T h e Knoll, Corning, N. Y. ^ (Corning Glass W orks)-" " IHJLAHAN, R. C. (S) Builders Brick Co. ^ 3800 Ninth Ave., S., Seattle, Wash. tUSE, Roger L. M Box 787, Alfred, N. Y. I I P J S K A , Joseph L. (R) /511 W. Marshall St., Norristown, Pa. ''(E. J. Lavino & Co.) jlUSMAN, George S. (R) [Box 17, Norristown, Pa. JSTON, M. Dean (RJ) 6317 Girard. Apt. 3 Cincinnati 13, Ohio (Cincinnati Milling Machine Co.) vflOUZE, Armand L., Sr. (G) L. J. Houze Convex Glass Co. ' i Point Marion. Pa. houze, Armand L., Jr, (G) A L. J. Houze Convex Glass Co. Point Marion, Pa. ,, HOUZE, L. j ., CONVEX GLASS CO. ' (Armand L. Houze, Sr.) ^ s Point Marion, Pa. ' ',iaOWAT, Walter L. (D F) ' h, gs Hopping Ave., Staten Island 7, N. Y. *3- (Walter Howat Decorative Ceramics) jgOWATSON, John (G) */. Box 248, Big Flats, N. Y. . (Corning Glass Works) OEtWATT, Glenn (W ) /%? Bldg. 6-B, Apt. 3, Redfield Village Metuchen, N. J. (Glenco Corp.) Howe, Elroy E. (E l) Chicago Vitreous Corp. , 1425 S. 55th Court, Cicero 50, 111. 'H O W ER , Lawrence D., Jr. (RI) ' Raybestos Div., 75 E. Main St. ' - Stratford, Conn. 'HOW ER, r . S. (B) . ^ Allen Bradlev Co., Milwaukee, Wise. Howie, Thomas w. '-'4 Campbell & Co. (Roughcastle) Ltd. Roughcastle Works, Falkirk, Scotland HOYET, Eugene (G) R. R. 2, Box 332, Tarentum, Pa. ^(Pittsburgh Plate Glass Co.) Ku-hua 1, King's Terrace, 1st Floor " Kowloon, Hongkong, B.C.C. ? (Kiu Foong Enamel Factory (H.K.) Ltd.) Vol. 33, No. 10 (1954) HUBER, George S. (E J) HURLBUT, Wendell P. Ill (X J) 509 F Castle Dr., Baltimore 12, Md. 2105 Sunset Ave., Seattle 6, Wash. , (Pemco Corp.) HURLEY, Robert C. (SJ) HUBER, Harold V. (G) 346 Third St. S. W. 1300 Rancho Rd., Arcadia, Calif. Medicine Hat, Alta., Canada HUBER, J. M., CCTRP. (Medicine Hat Brick & Tile) (H. F. Jones, Jr.) 100 Park Ave. HURLEY, Robert E. (B) New York, N. Y. 469 Camden Ave. HUBLER, William G. (M) Moorestown, Burlington County, N. J. Lakefield Research Ltd., Box 430 (RCA Victor I Lakefield, Ont., Canada HURSH, Ralph K. (X FI) HUDSON, Charles J. (R) Universitv of Illinois, Urbana, 111. 74 Newton St., West Bovlston, Mass. HURST, Erwin J. (W) HUDSON SUPPLY & EQUIPM ENT CO. General Ceramics Corp. (H. W. Heine) Plant 3, Research Dept. 1727 Pennsylvania Ave., N. W. Keasbey, X. J. Washington 6, D. C. HURST, Thomas L. (Rl HUETT1G, Fred R. (W I) Monsanto Chemical Co. 21-B-3 Redfield Village Columbia, Tenn. Metuchen, N. J. HUTCH, Herbert T. (W) (General Ceramics & Steatite Corp.) 421 Parker St., Newark 4, N. J. HUFFCUT, Harold W. (W ) (Ceramic Age) Westinghouse Electric Corp. HUTCHISON, Clark (E) Electronic Tube Div., Box 284 709 E. Armstrong St., Frankfort, Ind. Elmira, N. Y. (Ingram Richardson, Inc.) HUFFORD MACHINE WORKS, INC. HUTCHISON, R. C. (RI) (H. P. Smith, Jr.) 2133 Newton Ave., Bethlehem, Pa. 1700 E. Grand Ave., El Segundo, Calif. (Bethlehem Steel Co.) HUGHES, George B. (E) 236 Indiana Ave., Dayton 10, Ohio (Frigidaire Div., General Motors Corp.) HUGHES, Walter M. (W I) 534 Putnam Ave., Zanesville, Ohio (Chicago Standard Transformer Corp.) H UI, 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.) HUMMEL, Floyd A. (B) College of Mineral Industries HUTT, Glenn A. (E) 19629 Scottsdale Blvd. Shaker Heights 22, Ohio (Ferro Corp.) HUTT, Gordon M. (R) Canadian Pacific Railway, Rm. 703 Windsor Sta., Montreal, Que., Canada HUYCK, L. G. (E) Huyck Construction Co. 2946 N. 78th Court Elmwood Park 35, 111. HVID, Niels A /S Bing & Grondahls Porcellaensfabrik 95, Valby Langgade Copenhagen, Valby, Denmark HYATT, Edmond P. (B) Dept, of Ceramics, University of Utah Salt Lake City, Utah Pennsylvania State University State College, Pa. HUMMEL, Richard (G) HYDE, Collin (RI) 581 Oxford St., Worthington, Ohio (Battelle Memorial Institute) 615 Olympia Rd., Pittsburgh 11, Pa. HYLAND, J. A. (M) (Harshaw Chemical Co.) Pacific Coast Borax Co. HUMMEL, Roy (W) 2295 Lumber St., Chicago 16, 111. 4318 Grantlev Rd., Toledo 13, Ohio HYNES, Frank J. (W I) (Champion Spark Plug Co.) Oxbow Rd., South Lincoln, Mass. HUMPHREY, Richard A. (W) (Raytheon Mfg. Co.) 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) HYOLLE, Andre Socit Generale de Carrelages 37, rue Leon Blum Feignies (Nord), France HYSLOP, Joseph F. "Dromore,'1 Major s Loan Falkirk, Scotland (J. G. Stein & Co., Ltd.) 154 Vincent St., Chagrin Falls, Ohio (Certain-Teed Products Corp.) I HUNT, Frank S. (W I) 2494 Page Dr., Altadena, Calif. HUNT, Herbert J. (G) Kimble Glass Co., Vineland, N. J. HUNT, John F. (M I) Pacific Northwest 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.) H UPPERT, Paul A. (E l) 414 Randolph Rd., Plainfield, N. J. (General Ceramics Corp.) IANDER, J. Richard (M) Pacific Coast Ceramic News 509 S. Beverly Dr. Beverly Hills, Calif. ICHIKAWA, Yoshio 229 Valley Ave. __ Wahiawa, Oahu, Hawaii IHRIG, Allen C. (G) 127 Corning Blvd., Corning, N. Y. (Coming 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. HURD, Burgess M. (W) ILLING, Arno M. (W) 3 Windy Crest Rd., Beaver Falls, Pa. 5412 Laconia, Cincinnati 37, Ohio (Ceramic Color & Chem. Mfg. Co.) (Cambridge Tile Mfg. Co.) R oster 39 i \ I INOIS CLAY PRODUCTS CO. v ^ s 'i O t i L. Jones) 68 N. Chicago St. ^ Joliet, 111. ' ILLYN, Alexis V. d'-.1.- 183 Bevier Rd., University Heights . ', New Brunswick, N. J. f`x M mj.pOiFF, Edward J. (M) X'nited States Glass Co. jlassport, Pa. TMMEl MEDIATO, Robert R. (W JI) ' 662 Ashland St., North Adams, Mass. IMPERIAL GLASS CORP. ^ (C. J. Uhrmann) Bellaire, Ohio INDIANA GLASS CO. (Charles L. Gaunt) Dunkirk, Ind. INDIAN CERAMIC SOCIETY ,, ** (H . N. Roy) Dept, of Ceramics " Benares Hindu Univ., Benares, India -- INDUSTRIAL CERAMIC - PRODUCTS, INC. (C. R. Oberst) -* 965 W. Fifth Ave., Columbus 8, Ohio 1NDYK, Albert D. -18 Monterey St. "L it Kogarah, N.S.W., Australia ;(Ducon Condensers Pty. Ltd.) SiGERSOLL, Harry (E) '2S-5429 N. Tyler Ave. ' ||Temple City, Calif. jgiPjM Pemco Corp.) fTNGHAM , David (M) l *i2794 St. Clair Ave. East Liverpool, Ohio UU.fH. B. Henderson & Co.) ^ fifGOUF, Robert (G) |K.5aint-Gobain Inc., Suite-9200 .500 Fifth Ave., New York 36, N. Y. IGRAM-RICHARDSON, INC. S (R. H. Coin) Frankfort, Ind. `SLEY, Herbert (BF) ))'r-5219 Farrington Rd. ^ '- Washington 16, D. C. (Consulting Mineralogist) SLEY, Robert H. (B) Champion Spark Plug Co., Ceramic Div. 8525 Butler Ave., Detroit 11, Mich. 1RNATIONAL CERAMIC IIN IN G , LTD. (L. Douglas MacKie) _ 577 Eglinton Ave., W. Toronto 12, Ont., Canada ' INTERNATIONAL COMMISSION 'X ON GLASS (B. P. Dudding) . Research Laboratories General Electric Co., Ltd. *-' Wemblev, Middlesex, England INTERNATIONAL CLAY 2 ^ ; MACHINERY CO. (R. H. McElroy) 1 ^ 5 Bolander Ave., Dayton, Ohio In t e r n a t i o n a l m i n e r a l s & CHEMICAL CORP., ^^C O N S O L ID A T E D FELDSPAR 4*^; DEPT. (H . B. DuBois) v ' - Erwin, Tenn. ' IRELAND, John International Tin Research Council Fraser Rd. Greenford, Middlesex, England IRONTON FIR E BRICK CO. L'.C (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) : IRW IN, Philip P. (W) : Potters Supply Co. East Liverpool, Ohio IRWIN, William W. (W) ;i; Potters Supply Co. . East Liverpool, Ohio ACS, Richard P. (M) S Elmwood Dr., Livingston, N. J. ((Hammill & Gillespie, Inc.) GAWA, Jun / i Nippon Toki Kaisha, Ltd. #1, Noritakeshinmachi, Nishiku Nagoya, Japan 1SENHOUR, 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.) I SOLDI, Virgilio Ceramica Sao Caetano S/A Caixa Postal 278, Sao Paulo, Brazil ITO, Shozo Nippon Gaishi Kaisha, Ltd. 1, 2-Chome, Horita-dori, Mizuho-ku Nagoya, Japan' ITSCHXER, Robert Tannenrauchstrasse 106 Zrich 38, Switzerland IVES, John B. (RI) 18 Standish St., Frostburg, Md. (Big Savage Refractories Corp.) J JABBUSCH, Arthur J. (S) Box 218-A, Phnix City, Ala. (Dixie Brick Co., Inc.) JACKEL, Roland D. (X) 2055 Trumbull Terrace, N. W. Washington 11, 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. Bothwell, Lanarkshire, Scotland JACKSON, Mary A. 486 Boynton Ave., Berkeley 7, Calif. JACKSON V ITRIFIED CHINA CO. (Philip R. Distillator) 2 West St. Pelham Manor 65, N. Y. JACKSON, Wharton (M) Petroleum Bldg., 714 W. Olympic Blvd. Los Angeles 15, 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, 111. 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 (W I) 1446 Kanawha St., Hyattsville, Md. (National Bureau of Standards) JAMESON, Robert J. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio JAMISON, William D,, Jr. (S) 131 Orchard Spring Rd. Pittsburgh 20, Pa. (D. B. Hendryx & Associates) JANES, Clinton S,, Jr. (GJ) 123 Oakwood Ave. Elmira Heights, N. Y. (Coming Glass Works) JANOWITCH, Joseph H. Box 746, Alfred, N. Y. JANSMA, Frank (M) B. F. Drakenfeld & Co., Inc. Washington, Pa. Vol. 33, No. 10 (1954) 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, 111. 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, la. 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, 111. (Caterpillar Tractor Co.) JIMMERSON, James E. (X) Henderson Clay Products, Box 870 Henderson, Texas JOHNS-MANVILLE SALES CORP. (J. C. Crawford, Jr.) 22 E. 40th St. New York 16, N. Y. JOHNS, William 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. (W I) 4903 N. 53rd St., Milwaukee, Wise. (Globe-Union, Inc.) JOHNSON, A. L. (W F) Universal-Rundle Corp. New Castle, Pa. JOHNSON, A. M. (R) Ross-Tacony Crucible Co. Taconv, 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, 111. JOHNSON, Fred H,, Jr. (S) Summitville, Ohio (Summitville Tiles Inc.) JOHNSON, George E., Jr. (W I) Gladding, McBean & Co. Pittsburg, Calif. JOHNSON, 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, J. A. t Service Engineers, Ltd., Leek New Rd Cobridge. Burslem Stoke-on-Trent, England JOHNSON, James E. (I) 3173 Herrick Rd., Columbus, Ohio JOHNSON, James R. (BI) 109 Newberry Circle, Oak Ridge, Tenu. (Union Carbide & Carbon) R oster 41 JOHNSON, LeRoy A. (E) JO SEPH, A. David (BJ) 1206 Cleveland St., Evanston, 111. Box 3, Alfred, N. Y. (Chicago Vitreous Corp.) (New York State College of Ceramics) JOHNSON, Paul V. (S) JOVA BRICK WORKS (J. L. Jova) Structural Clay Products Roseton, N. Y. . Research Foundation, 20 N. Wacker Dr. JOVA, J. L. (S) - f v Chicago 6, 111. S O N , Richard C. Jova Brick Works, Roseton, N. Y. JOYNER, Bobby L. (W) 203 Lighthouse St., Erie, Pa. (Erie Resistor Corp.) W* Perine St., Dansville, N. Y. JUELSS, David (M) HNSTON, J. G. American Lead Pencil Co. Leeds Fireclay Co., Ltd. 500 Willow Ave., Hoboken, N. J. 1 Wortley, Leeds 12, England . JOHNSTON, James K. (M) K : R. R. 5, Hagerstown, Md. Y (Fairchild Aircraft Div.) KADEY, Frederic L., Jr. (B) JOLI.EY, Robert W. (R) 1825 Quimby Lane, Westfield, N. J. " , 1 9 Brook St., New ington, Conn. (Johns-Manville Corp.) (Hartford-Empire Co.) KAHLSON, W. S. (G) v JONES, Cecil M,, II (R) General Electric- Co., Lamp Dept . .. . 2814 Jordan St., Fleming Heights Pitney Glass Works, Nela Park 12 , Augusta, Ga. Cleveland, Ohio ' (Babcock & Wilcox Co.) KALLUP, Charles, Jr. JONES, D. J. (E) Box 326, Olive Hill, Ky. i . : Humphrves Mfg. Co. KALMAN, Frank R. (E l) 201 E. Fifth St., Mansfield, Ohio 2808 Mayfield Rd., Apt. 405 Ig p O N E S , Edgar (R) Cleveland Heights 18, Ohio % v." ' 426 Old Lancaster Rd. (Pemco Corp.) Haverford, Pa. KALOUSEK, George L. (G) kY'- (Babcock & Wilcox Co.) 2633 Merrimac Blvd., Toledo 6, Ohio M -JO N E S , Frank L. (G) (Owens-Illinois Glass Co.) ' ;. Windsor Rd., Fox Chapel KAMICH, Barnet Z. (B) ,. Pittsburgh 15, Pa. 11 Garwood St., South River, N. J. SgfSjfc ,(Koppers Co., Inc.) (Army Ordnance Corps) ONES, George A. (G) KANE, John L. (X) Box 112, East Sparta, Ohio 7050 Glen Meadow Lane (U. S. Quarry Tile Co.) Cincinnati, Ohio P R N E S , H. F., Jr. (W) (Cincinnati Milling Machine Co.) -, J- M. Huber Corn., 100 Park Ave. New York, N. Y. KANTNER, Ogden A. (M) R. R. 1, Pennington, N. J. JONES, Harlow G. (B) Mid West Abrasive Co. 510 S. Washington St., Owosso, JNES, Howard E., Jr. (R) 19150 Robson, Detroit 35, Mich. (Davis Fire Brick Co.) fES, James M. 832 S. Vine St., Orrville, Ohio Mich. (United Clay Mines Corp.) KARKHANAVALA, M. D. 239, Botawala Bldg., Tardeo Bombay 7, India (Atomic Energy Commission) KAST, Henry G. Box F F, Alfred. N. Y. KASTEN, Vernon L. (W I) Three Oaks, Box 84, Jackson, Mo. fJONES, Maynard J. (E) (Ceramo Co. Inc.) Pfaudler Co., 1000 West Ave. KATNACK, Fred, Jr. Rochester 11, N. Y. Saw Mill Rd. (JONES METAL PRODUCTS CO. Cold Spring Harbor, N. Y. f O JO N E(ESd, wOintisF.L.M(uRll)igan) KATZ, Joseph M. (W I) Illinois Clay Products Co. General Ceramics Corp. " 68 N. Chicago.St., Joliet, 111. Crows Mill Rd., Keasbey, N. J. J I J O N E S , Paul R. (X) KATZ, Sigmund (W) Mineral Industries Bldg. Orange Ceramic Lab. !@;' West Virginia University 17 Kenz Terrace, West Orange, N. J. Morgantown, W. Va. KAUFFMAN. John R. (MFI) t. V- JONES, Richard E. (R) Tuttle & Kift, Inc. Pittsburgh Plate Glass Co. Subsidiary Ferro Corp. : ; r Research Laboratory, Creighton, Pa. 1823 N. Monitor Ave., Chicago 39, 111. JONES, Robert O. (R) KAUTZ, Karl (EFI) Box 3, Gabbs, Nev. 24 Leon Rd., Pittsburgh 20, Pa. ; y (Standard Slag Co.) ' JONES, Lt. Col. Rodney A. (E) Headquarters ARDC, Box 1395 Baltimore, Md. . JONTZ, Melvin L. (M) United Clay Mines Corp. 5028 Alhambra Ave. . Los Angeles 32, Calif. JORDAN, John N. (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 ^ ^ O R D A N , R. E,, Jr. (W) Mosaic Tile Co., Zanesville, Ohio (Vitro Mfg. Co.) KAY, William T. (R) E. J. Bartells Co. 1212 Sixth Ave., S., Seattle 4, Wash. KAYLOR, William B. Box 4337, Va. Tech. Sta. Blacksburg, Va. KAYSER. Julius A. (R) Gladding, McBean & Co. 2901 Los Feliz Blvd. Los Angeles 39, Calif. KEANEY, 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) ^ P o R D A N , Thomas B. (S) Ward Leonard Electric Co. Mosaic Tile Co., 829 N. Highland Ave. Mt. Vernon, N. Y. Hollywood 38, Calif. KEENER, Harry J. (G) JORDON, Duane R. General Color & Chemical Co., Inc. 220 Belmont Ave., Oneida, N. Y. Box 7, Minerva. Ohio Vol. 33, No. 10 (1954) KEITH, Wendell P. (RI) 1234 E. Sixth St., Whittier, Calif. (Calmo Engineering Co.) KELLENBERGER, George E. (G) Niles Glass Works 403 N. Main, Niles, Ohio KELLER, Francis Pfungen, Switzerland (Keller & Cie. A.G.) KELLEY, J. A. (M) Zonolite Co., Travelers Rest, S. C. KELLY', Austin J. (E) 224 Glasgow St.. Guelph, Ont., Canada (Guelph Stove Co., Ltd.) KELLY, Hal J. (R) 4714 20th N. E.. Seattle 5, Wash. (LT. S. Bureau of Mines) KELLY, John V. (R) Kaiser Steel Corp. Box 217, Fontana, Calif. KELLY, William J. (W I) Box 188. Hondo. Texas (Universal-Rundle Corp.) KELSEY, V. V. (MF) Dominion Minerals Div.. Riverton Lime & Stone Co., Inc. Piney River, Va. KELSO, Marjorie P. 2091 California St.. Berkeley, Calif. KELTON, Stanton C , Jr. (G) Rohm & Haas Co., Bristol, Pa. KEMP, John A., Jr. (W) 22509 Gayc-est Ave., Torrance, Calif. (American Radiator & Standard Sanitary Corp.) KEMPF. William C. (RI) 28 Homer PI., Metuchen. N. J. (Carborundum Co.) KENAGY. William L. (RI) Huntingdon Valley, Pa. ( Simonds Abrasive Co.) KENDRICK. Thomas B. (G) Lancaster Lens Co. 220-226 W. Main St.. Lancaster, Ohio KENNEDY, Richard W. (W ) Star Porcelain Co. Box 1329. Trenton 7, N. J. KENT. Joseph P. (W I) 247 Starr St.. Brooklyn 37, N. Y . (Levitn Mfg. Co., Inc.) KENT, N. Johnson (RI) Johns-Manville Sales Corp. 22 E. 40th St., New Y'ork 16, N. Y. KENT, W'illiam B. (W I) W. S. George Pottery Co. Canonsburg. Pa. KENTUCKY CLAY M INING CO. (W'. L W'atkins) Mayfield, Ky. KENTUCKY-TENNESSEE CLAY CO.. INC. (Chester Gulick) 807 Citv Savings Bldg., Alliance, Ohio KENWORTH. Orville O. (B) 1486 Arthur Ave., Lakewood 7, Ohio (Ferro Corp.) KENYON, Clark (W) Frenchtown Porcelain Co. Frenchtown, N. J. KEPKA, George M. (E l) Braun Corp., 2260 E. 15th St. Los Angeles 21, Calif. KEPLINGER. Robert B. (R FI) Carroll Clay Co. Box 56, Carrollton, Ohio KERINS, M. P,, Jr. (E) Stauffer Chemical Co. 380 Madison Ave., New Y'ork, N. Y'. KERLA, Hans (R) 525 Beaumont Ave.. Baltimore 12, Md. (Kerloid Corp.) KERPER, Matthew J. (BI) National Bureau of Standards Div. 9.3, Washington 25, D. C. KERR, Charles H. (GF) 2861 Chatsworth Blvd. San Diego 6, Calif. KERR, W. Raymond (R FI) Armstrong Cork Co. Box 441, Beaver Falls, Pa. Roster 45 KRSHNER, William G. (W I) KLAUSMANN, H. (G) ; 117 S. 14th St., Olean, X. Y. Baker & Co., Inc. (Olean Tile Co.) 113 Astor St., Newark, X. J. KIBLER, H. W. (W) KL'EEMAN, Lee A. (R) . Southern Potteries, Inc. Box 568, New Orleans 7, La. . Box 279, Erwin, Tenn. (Harbison-Walker Refractories Co.) JL, Harry R. (G) KLEIMAN, Martin M. W. (M) Chemung St., Corning, N. Y. 270 Selkirk Ave. orning Glass Works) Winnipeg, Man., Canada )W, Paul F. (RJ) (Red Devil Heating & Mfg. Co.) : 2437* College Ave., Elmira Heights KLEKOTKA, Joseph F. (G) . ' ..Elmira, N. Y. 3601 Reed St., Philadelphia 46, Pa. (Westinghouse Electric Corp.) (Philadelphia Naval Base) KILGORE CERAMICS CORP. ELEVENS, H. B. (B) (D. H. Walkup) Box 1619 Mellon Institute Kilgore, Texas University of Pittsburgh KIMBLE GLASS CO. (H. R. Black) Pittsburgh 13, Pa. ' 2626 Dorr St., Toledo, Ohio KLEYMEYER, Clifford A. (SI KIMES, A. W. (G) Standard .Brick & Tile Corp, National Glass Budget Evansville 8, Ind. 800 Grogan Bldg., 541 Wood St. KLIMAN, Morton I. ; Pittsburgh 22, Pa. 6 Sutton St., Mattapan 26, Mass. KMPEL, Robert F. (R) KLINE, Hugh L. (G) V- ' 1138 N. Alameda Ave., Azusa, Calif. Corhart Refractories Co., Inc. : (Aerojet General Corp.) 1600 W. Lee St., Louisville 10, Ky. KIMPTON, Dudley D. (G) KLINEFELTER, T. A. (M FI) ' ,1607 W. Park Ave., Champaign, 111. Box 201, Norris, Tenn. ! . -. (Anderson Physical Lab.) (U. S. Bureau of Mines) . KING, Burnham W., Jr. (BFI) KLIPPER, Joseph (X) ' v J 2564 Welsford Rd., Columbus 21, Ohio Clipper Diamond Tool Co., Inc. -` (Battelle Memorial Institute) 21 W. 46th St., New York 36, N. Y. XlNG, Charles B. (G) KLOCKE, Edward J. (M) ; 3 8 9 Cedar St., Corning, N. Y. H. C. Spinks Clay Co., Inc. . ^ (C o m in g Glass Works) 1000 First National Bank Bldg. *"$G; H arry M. (M J) Cincinnati 2, Ohio 439 Washington PI., Sycamore, 111. KLOCKNER, Herman Richard (E) G, Leon A. (W ) Research Laboratory SW. Delaware St., Woodbury, N. J. Universal-Rundle Corp. R. M. (p F I) yord Hall, Ohio State Univ. New Castle, Pa. KNAPP, Robert C. (W ) IptColumbus 10, Ohio 26 Virginia Ave., N. W. JUG, Robert G. (W) p43 N. Center St., Grove City, Pa. is(Vitro Mfg. Co.) Walter F. (M) 5 Arborlea Ave., Morrisville, henandoah Silica Co., Inc.) Glen Burnie, Md. (Locke Dept., General Electric Co.) KNAPP, Thomas E. (W ) 1314 Wilmington Ave., New Castle, Pa. Pa.KNA(PShPe,nWaniglloiaCmhiJn.a,(BInIc).) Dept, of Engineering A1NGERY, W. D. (B) University of California ^. Ceramics Div., Mass. Inst, of Tech. Los Angeles 24, Calif. -T'V Cambridge, Mass. KNAUF, Mr. KINGMAN, W. W. (M) Deutsche Keramische Gesellschaft wfC'~Georgia Pigment Co., Sandersville, Ga. Poppelsdorferallee 15, Bonn, Germane KINSMAN, Bradley Q. (XJI) KNAUFT, Robert W. (R) ,'94 Louis Bellanca Charles Taylor Sons Co. ' S9 Bemis Ave., Hornell, N. Y. Box 58, Annex Station KJRCHER, Paul J. (G) Cincinnati 14, Ohio .^ / M a r y l a n d Glass Corp. KNECHT. Albert O. (W I) i % 2147 Wicomico St., Baltimore 30, Md. 201 Edgewood Ave., New Castle, Pa. , KIRCHER. Wolfgang (Universal-Rundle Corp.) 7 - (22b) Eisenberg/Pfalz KNIGHT, E. H. (S) v-,,' Tiefenthalerstr 16, Germany Maurice A. Knight Sons Co. KIRCHNER. Henry P,, Jr. Yv Box 213, Pine Grove Mills, Pa. y^ IS K , Edwin (D) --..- U. S. National Museum . Washington 25, D. C. .KlRKENDALE, G. A. (SI) ; Dept, of Ceramic Engineering ; ]:; New York State College of Ceramics Alfred, N. Y. Kir k p a t r ic k , Frank (w f d ' 41 Fifth St., Apt. C } . Hermosa Beach, Calif. .-yv. (Gladding, McBean & Co.) KIRSCH, Alfred J. (R) ... ' 48 Center St., Hornell, N. Y'. (Mullite Refractories Co.) \ KLANE, Frank (G) Box 150, Crooksville, Ohio KNIGHT, M. A,, Jr. (S) Maurice .A. Knight, "Knight-Ware" Box 111, Akron 9, Ohio KNIGHT, MAURICE A., " K N IG H T-W A R E" (M. A. Knight, Jr.) Box 111, Akron 9, Ohio KNIGHT, Mellen A. (G) Central Research Dept. Minnesota Mining & Mfg. Co. 367 Grove St., St. Paul 1, Minn. KNIGHTON, Heywood J. (G) 834 Trombley Rd. Grosse Pointe Park 30, Mich. (Ford Motor Co.) KNIZEK, Jan Otto (R) Apartado 2739, Mexico, D. F. Mexico Corning Glass Works, Corning, N. Y. (Compania Mexicans de Tubos de j Kl a u s , irving (W) Albanal. S. A.) . 19-B Hawthorne Dr. KNOBLAUCH, Walter C. (RI) `Jew Brunswick, N. J. 512 N. Washington St., Tiffin 9, Ohio IVitro Corp. of America) (Basic Refractories, Inc.) <US, Sol C , Jr. (W) KNOPF, Eugene G. 50 S. Munn Ave., Apt. 804 162 Bevier Rd., New Brunswick, N. J. East Orange, N. J. KNOW LES, EDW IN M., CHINA CO. t - (Automatic Mfg. Corp.) Newell, W. Va. v Vol. 33, No. 10 (1954) KNOWLES. Philip S. (S) 441 E. Buford Rd.. Macon, Ga. (Cherokee Brick & Tile Co.) KNOWLES, William V. (E F) 8905 Champlain Ave. Niagara Falls. N. Y. KNOWLTOX, Samuel H. (M) 610 New Center Bldg., Detroit 2, Mich. (Aluminum Co. of America) KNOX, James J. (Gl 5 Meinzer St., Avenel, N. J. (Knox Laboratories, Inc.) KNUDSEX. Friedrich P. (W I) 4912 Crescent St., Washington 16, D. C. (National Bureau of Standards) KNUDSEX, Rolf Borgestad, P. A.. Norway (Borgestad Fabrikker) KNUTSEX. Ei cimi (R) Western Refractories Co. Box 169, Ione. Calif. KOCH, Daniel O. (M) E. I. du Pont de Nemours & Cu., Inc. Electrochemicals Dept. 71 Buckingham Ave. Perth Amboy, N. J. KOCH, Frank A. (M) 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, William J. (W I) P. R. Mallory & Co. E. Washington St., Indianapolis 6, Ind. KOCHANEK, Michel (X) 1030 Douglas Rd., Lincoln Village Stockton, Calif. KOEHLER, W. A. (R I) Mineral Industries Bldg. West Virginia University Morgantown, W. Va. KOENIG, Charles Jacob (W FI) Engr. Expt. Sta., Ohio State University Columbus 10, Ohio KOENIG, E. W. (M) Consolidated Feldspar Dept. International Minerals & Chemical Corp. Erwin, Tenn. KOENIG, John H. (BFI) Rutgers University School of Ceramics New Brunswick, N. J. KOHL, Hans Leerbachstr, 117 Frankfurt A. M., Germany (Degussa) KOHLER, A. M. (R) Babcock & Wiliox Co. 161 E. 42nd St., New York 17, X. Y. K OH LER CO. (G. P. Gavin) Kohler, Wise KOHMAN, Girard T. (B) 133 Ashland Rd., Summit, N. J. (Bell Telephone Labs.) KOHN, Joseph (W) Universal Dental Co. 48th & Brown Sts., Philadelphia 39, Pa. KOHNE, Frank H. (W) 1700 Third Ave., New Brighton, Pa. (Ceramic Color & Chemical Mfg. Co.) KOHUT, William 3215 W. 31st St., Cleveland, Ohio KOLFSCHOTEX, H, G. P. Algemene Vereniging voor de Nederlandse Aardewerk en Glas Industrie Haagweg 139, Gijswijk, Netherlands KOMAC, Thomas X. (R) Republic Steel Corp. 6100 Truscon Ave., Cleveland 4, Ohio KONOPICKY. Kamillo Forschungs-Institut Der Feuerfest-Industrie Helmholtzstrasse 25/27 Bonn. (Western), Germany Roster 47 KONOWITCH, Gilbert D. (RJ) 2003 N. 73rd Court Elmwood Park 35, 111. KONRAD, Howard E. (R) 41 Brookside Ave., Apt. 7-B Somerville, N. J. ^^Iphns-M anville Research Center) ^^PRam otte Unie N.V. Tielerweg Geldermalsen. Holland KOOS, E. K. (W I) .. 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., Pittsburgh 19, Pa. KORA, Yosio 2 Chme. Katsuyama-Cho Yahata, Fukuoka. Japan (Kurosaki Fire Brick Mfg. Co. Ltd.) KOSHUBA, Walter J. (R) General Electric Co.--AN'P Project Box 132, Cincinnati 15, Ohio KOWAL, Leo B. (G) Canadian Pittsburgh Industries, Ltd. : . 60 Blvd. St. Croix i Ville St. Laurent, Que., Canada KOWALKA, Warren R. (G) Ltbbey-Owens-Ford Glass Co. t 1701 E. Broadway, Toledo 5, Ohio KRAFT, C. W. (S) Kraftile Co., Niles, Calif.- -- KRAFT, Donald E. Co. A, 185th Signal Bn. / Camp Polk, La. `jsQRAFT, Maurice M. (G) Ji'; ' K raft Chemical Co. : 917 W. 18th St., Chicago, 111. Ralph G. 4120 N. 135th St., Milwaukee, Wise. ' Kr a f t il e c o . (C. w . Kraft) '-- V*les, Calif. 1ER, Irvin R. (R) lercast Corp., 295 Madison Ave. New York 17, N. Y. KRAMER, William Meigs (G) ' ' Adamston Flat Glass Co. . Clarksburg, W. Va. KRANER, Hobart M. ( BFI) - Bethlehem Steel Co. ' Bethlehem, Pa. KREGER, John M. (R) . Valentine Fire Brick Co. Div. A. P. Green Co. Woodbridge, N. J. KREGLO, James R., Jr. ; 1840 Perry PL, Jacksonville, Fla. ..rKREHBIEL, Frederick H. (W) - . Accurate Pyromtrie Cone Co. Pataskala, Ohio . KREHBIEL, H. Orton (D ) A 'v?; Accurate Pyromtrie Cone Co. W'\y Pataskala, Ohio KREIDE, E. L. (G) A. D. Little, Inc. : 30 Memorial Dr., Cambridge, Mass. KREIDL, Norbert J. (GF) ; 40 Milford Rd., Rochester 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. . Ts Pittsburgh 8, Pa. KRIEGEL, W. Wurth (XFI) : Ceramic Engineering Dept. C. State College, Raleigh, N. C. : ^ ^ E E R , Frederick S. (G) ;^H ^W 48 E. Second St., Corning, N. Y. o (Corning Glass Works) k r i l l , Kari e . b i Ohio State Univ., Res. Foundation Columbus 10, Ohio Vol. 3.3, No. 10 (1954) KRISHNA MURTHY, M. No. 1 Sri Krishna Rao Rd. ,, Basavana Gudi, Bangalore, India KROCHMAL, Jerome J. 4540 Brenau Ave., Davton 9. Ohio KROECK, William H r (G) Corning Glass Works Box 544, Coming, N. Y. KROGSTIE, Lars Bernhard Fredrikstad, Norway (Norsk Teknisk Porselenfabrikk) KRONMAN, Samuel J. (W I) Carteret China Co. High St.. Carteret, N. J. KROSCH, Donald K. (E) Solaramic Dept., Solar Aircraft Co. 2200 Pacific Highway San Diego 12, Calif. KRUESI, John (W) American Lava Corp. Chattanooga 5, Tenn. KRULL, Alan R. (D) Technological Institute Library Northwestern University Evanston, 111. KRUSOX, Joseph H. (R) 79 W. Main St., Frostburg, Md. (Big Savage Refractories Co.) KUECHLER, A. H. (R I) 1210 Lane Ave., Phoemxville, Pa. (A. P. de Sanno & Son, Inc.) KULCSAR, Frank (W) Brush Labs. Co. 540 E. 105th St., Cleveland 8, Ohio KUNZMAN, Edward E. (W I) 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. (W I) 1302 Jewel Court Madison 3, Wise. (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. LACONICH, 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 Ave Magloire Ambroise 179 Port-au-Prince, Haiti LAFORGE, Louis H., Jr. (R) Eitel-McCullough, Inc. 798 San Mateo Ave.. San Bruno, Calif. LAING. Kenneth M. (G) Glass Research Laboratories Pittchurgh Plate Glass Co. Creighton. Pa. LAIRD. Charles (S I) s Malvern Brick & Tile Co. Box 355, Malvern, Ark. LAIRD, Edward W. (S) 7 Circle Dr., Malvern, Ark. (Malvern Brick & Tile Co.) LAIRD, Robert K. (E) American Radiator & Standard Sanitary Corp., Plumbing Div. 834 E. Broadway, Louisville 4, Ky. LaMAIRE, Robert V. (R JI) R.R. 3, Plainfield, N. J. (International Nickel Co., Inc,) LAMB. Hal (M) Braun Corp. 2260 E. 15th St., Los Angeles 21, Calif. LAMBE, C. M. (MI) United States Gypsum Co. 300 \V. Adams St., Chicago 6, 111. LAMBERT, Joseph M. (G) Mellon Institute. Pittsburgh 13, Pa. LAMBERTSON, Wingate A. (BI) Institute of Silicate Research University of Toledo Toledo 6, Ohio LAMBIE, J. M. (R) Findlay Clay Products Co. Washington, 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, R.R. 1, Mich. (Macklin Co.) LANG, George F. (G) Carr-Lowrey Glass Co. Box 356, Baltimore 3, Md. LANG, Richard L. (W) Ohio Fuel Gas Co. 17 N. Fourth St., Zanesville, Ohio LANG, 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. LANGE, Louis A. (M) Industrial Heat Control Products 641 Hawthorne Ave. South Milwaukee, Wise. LAXGROD, Kasimir (W) 462 Locust Terr. West HempsteaU. N. Y. (Page-Madden Co., Inc.) LANGSTON, Robert B. Div. of Mineral Technology, University of California, Berkeley 4, Calif. LANIER, William S. (R) Babcock & Wilcox Co. Old Savannah Rd., Augusta, Ga. LAXNES, Eugene M. (W I) 624 N. Main St., Fostoria, Ohio (Richard C. Remmey Son Co.) LAPP, Grover W. (MF) Lapp Engineering Co. 68 W. Main St., Le Rov, N. Y. LAPP INSULATOR CO.', INC. (K. E. Stettinius) Le Roy, N. Y. LAPP, William A. (S) Lapp Engineering Co. 68 W\ Main St., Le Roy. N. Y. LARISCH, Herbert W. (EJ) 46 Fairview Ave., Valley Stream, N. Y. (Seaporcel Metals, Inc.) LARKIN, 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. R oster 49 LARSON, Paul F. (W ) LEE, James A. (S) . ; 3866 Norman Ave., N. \V. 1328 Candler Bldg., Atlanta 3, Ga. : -Canton 9, Ohio (Southern Brick & (Sparta Ceramic Corp.) - Tile Manufacturers Association) LASSMAN, Benjamin (M) LEE, P. William (BI) ' ' Benjamin Lassman & Son 205 Elmwood Blv;J., York, Pa. 8, Glenshaw, Pa. (Dentist's Supplv Co. of New York) ^ m :h f o r d m a r b l e g l a ss c o . LEES, Arch A. (R) ^ ( C . L. Dillon) Box 71707 411 Avon Dr., Pittsburgh 16. Pa. ^ ^ ^ L o s Angeles 1, Calif. (Carborundum Co.) LATIMER, Glen H. (R) LEFFORGE. J. W. (R) / 202 Hancock Ave., Norristown, Pa. Monsanto Chemical Co. ' (E. J. Lavino & Co.) Everett Station, Boston 49, Mass. LATIMER, Horace L. (E l) LEFORT, Henry G., Jr. (E JI) Box 282, West Lafayette, Ohio Box 134, R.R. 1, Upper Marlboro. Md. (Moore Enameling & Mfg. Co.) (National Bureau of Standards) LATIMER, Trent W. LE HERON, Harold - 104 16th Ave., Columbus 1, Ohio Etablissements Porcher LATTIN, Judson M. (R) Usines de Revin, Ardennes, France . . 6916 S. Clyde Ave., Apt. 402 LEIBIG, Edward C. (G) . Chicago 49, 111. Corning Glass Works, Corning. N. Y. .. (International-Harvester Co.) LE1BSON, J. S. (W I) LUGHLIN, HOMER, CHINA CO. Locke Dept., General Electric Co. . . (J. M. Wells) Newell, W. Va. Schenectadv 5, N. Yr. LURIE, Dominic (RI) LEIGHTON, M. M. (XF) Titanium Alloy Div., National Lead Co. State Geological Survey `'"Niagara Falls, N. Y. 121 Natural Resources Bldg. . (LAWLESS, Emmett A., Jr. (S) LTrbana, 111. Alton Brick Co., Alton, 111. LEIPOLD. Martin H., Jr. LAWRENCE. Howard O. (W ) 428 Seventh St., Fairview, N. J. I , Industrial Ceramics Ltd. LEITTEN, Cari F. (R) Slooksville, Ont., Canada RENEE, Ralph V. (R) .45 Leonard Dr., Concord, Calif. 'A fe ji (Gladding, Mc Bean & CoJ L lAWRENCE, Walter F., Jr."(W I) Momingside Rd., Verona, N. J. (RCA Victor) 1WRENCE, Willis G. (B) ifi;New York State College of Ceramics Alfred, N. Y. 50 Hawkins Ave., Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) LELAND, John A. (E) 469 Arbramar Ave. Pacific Palisades, Calif. (Douglas Aircraft Co.) LELIVELT, J. W. (E) Kelvinator Div., American Motors Corp. , 1AWSON, Louis, Jr. (W ) 1545 Clyde Park Ave., S.W. * West Virginia Pulp & Paper Co. Grand Rapids 9, Mich. Development Dept., Charleston, S. C. LEMMERMAN, Paul C. (R) ' fcWSON, Robert W. (M) E. I. du Pont de Nemours & Co. Box 369, Erwin, Tenn. (Consolidated Feldspar Dept. Grasselli Chemicals Dept. National City Bank Bldg. International Minerals & Cleveland 14, Ohio -V Chemical Corp.) LeMUNYON, James S. (E) LAXTON, Wilbur (G) 250 Wayne St., Mansfield, Ohio 126 Market St.. Zanesville, Ohio (Tappan Stove Co.) \ (Hazel-Atlas Glass Co.) LENNON, John W. (W) LAYNE, Fred A. (W) Battelle Memorial Institute ... Louthan Mfg. Co. 505 King Ave., Columbus, Ohio V' East Liverpool, Ohio LENTZ, Clarence J. (X) : LAYTON, Donald R. Quebec Iron & Titanium Corp. R.R. 1, Brockway, Pa. Box 40, Sorel, Que., Canada lea, a. c. LENZ, Vernon W. (G) : United Insulator Co. Ltd. 6123 Carew St., Bellaire, Texas . j , Oakcroft Rd. . Tolworth, Surrey, England LEONARD, Jean (W) 96-24 Corona Ave., Corona 68, N. Y. ..LEANDER, Karl Johan (Jean Leonard Ceramics) . Langgat, 19, Hoganas, Sweden (Hoganas-Billesholms AB) LEOPOLD, Jean H. Leopold & Cie. , LEAD INDUSTRIES ASSOCIATION Pfaffenhoffen, (Bas-Rin), France s (Robert L. Ziegfeld) 420 Lexington Ave. New York 17, N. Y. . LEO-WOLF, A. L. (M) Carborundum Co., Globar Div. Niagara Falls, N. Y. LE BELL. Rolf Casimir Pargas Kalkbergs Aktiebolag ABO Kakelfabrik Slottsgatan 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.) LEPP, Jack M. (S) 1357 Nicholas PI., Ashland, Ky. (Carlyle Tile Co.) LESAR, Albert R. (AD 509 Woodlawn. Mexico, Mo. (A. P. Green Fire Brick Co.) LESSO. Harold F. (R) 631 Beechmont Dr. Dearborn Hills, Mich. (Great Lakes Steel Corp.) LEDOIGT. Guy " Socit Professionnelle Des Produits Franais De Terre Cuite 23. rue de Cronstadt '^ ^ ^ k P a ris XV, France W K CLAY PRODUCTS CO., INC. (Martin S. Bowne) Clearfield, Ky. LEE, Harley C. (RF) Basic Refractories, Inc. 845 Hanna Bldg., Cleveland 15, Ohio 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 del Grappa. Italy Vol. 33. No. 10 (1954) LETORT, Marc Yves Centre National d'Etudes et Recherches Cramiques 3 Avenue Paul Doumer Paris 16, France LEVENGOOD, William C. (G) 4473--289th St.. Toledo, Ohio (Libbev-Owens-Ford Glass Co.) LEVI, Ormonde S. (G) Verd-A-Ray Corp. 615 Front St., Toledo 5, Ohio LEVIN, Ernest M. (B) National Bureau of Standards Div. 9.7, Washington 25, D. C. LEVY, Dorothy (D) 1212 Lincoln Ave.. Highland Park, 111. LEWIS. Albert D. (G) Kimble Glass Co., Vineland, N. J. LEWIS, Charles F. (R.) Volunteer Portland Cement Co. Knoxville, Tenu. LEWIS, Gordon E. (SI) Glen-Gery Shale Brick Corp. Box 182, Wyomissing, Pa. LEW IS, 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, 111. LEW IS, Robert T. . Box 165, Alfred, N. Y. LEWIS, Wager (W) Hartford Faience Co. 271 Hamilton St., Hartford 6, Conn. LEWIS, 'William C. (G) Big Flats, N. Y. (Coming 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 (Pty.) Ltd. Box 652, Vereeniging Transvaal, South Africa LIEDER, Phillip H. (R) 2600 Dogwood Lane. Norristown, Ta. (E. J. Lavino & Co.) LIEDERBACH, William H. (W I) 382 Lower Alden Dr., Rahway, N. J. (E. I. du Pont de Nemours & Co., Inc.) LIGON, Elmer R. (S) W. S. Dickey Clay Mfg. Co. Box 402, Pittsburg, Kansas LILLIE, Howard R. (GF) 191 Delevan hre., Coming. N. Y. (Corning Glass Works) LIMES, Robert W. (RI) Mellon Institute, Pittsburgh 13, Pa. LINCOLN, Claire (S) Orange County Tile Co. Box 9, Huntington Beach, Calif. LINDENTHAL. John (EJ) Box K, Lakehurst, N. J. LINDER, Cyril S. (E) 1139 Park St., Tarentum, Pa. (Pittsburgh Plate Glass Co.) LINDQUIST, C. Alan, Jr. (W I) 123 Grandview Ave., Conneaut, Ohio (Astatic Corp.) LINDROTH, Stig A. (B) Glass Tech. Lab., General Electric Co. 1133 E. 152nd St., Cleveland 10, Ohio LINDSAY. Carey E. (R) 1025 S. Olive St., Mexico, Mo. (Mexico Refractories Co.) LINKHORN, William H. (W) 428 S. Western, Kokomo, Ind. (American Radiator & Standard Sanitary Corp.) LINTZ, E. H. (W FI) 42 Heiskell Ave., Wheeling, W. Va. (Wheeling Tile Co.) Roster 51 LINWOOD, Sidney H. (W) Stackpole Carbon Co., St. Marys, Pa. LINZ, Arthur (E) Climax Molybdenum Co. 50 Fifth Ave., New York 36, X. Y. LITHIUM CORP. OF AMERICA, INC. ^ ^ ^^ V alter M. Fenton) 2560 Rand Tower ^^^ inneapolis 2, Minn. John M. (S) ^^^*aylor Clay Products Co. Box 1128, Salisbury, X. C. LITTLETON, Joseph C. (G) 231 Delevan Ave., Corning, X. Y. (Coming Glass Works) LITTLETON. J. T. (Honorary, GFl Corning Glass Works, Corning, X. Y LIVINGSTON, Charles Q. (R) Armstrong Cork Co., Lancaster, Pa. LIVOVICH, Andrew F. (R) 337 N. Virginia Ave., Hobart, Incl. (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, 111. LOBAUGH, Frank E. (RI) i: , 1052 Sherman Ave., Plainfield, N. J. ! : (Universal Atlas Cement Co.) if'LOCHRIDGE, James F. (E) TA Ferro Corp. >.' r; 4150 E. 56th St., Cleveland'5, Ohio ULccke-- See General Electric Co. fLOGAN CLAY PRODUCTS CO. (Barton A. Holl) Logan, Ohio jLONDEREE, Joseph W., Jr. (B) ?.. 3918 Warner Ave., Louisville, Ky. ; (Corhart Refractories Co.) . LONG, Bernard *' Glaces de Boussois 22, Boulevard Malesherbes Paris 8, France George R. (E) igidaire Div., General Motors Corp. )avton 1. Ohio LONG, John V. (G) Solar Aircraft Co. 2200 Pacific Highway San Diego 12, Calif. LONG, Luther L. (G) Owens-Coming Fiberglas Corp. Newark, Ohio LONG, Robert (E) American Porcelain Enamel Co. 1285 Keating Ave. Muskegon 36, Mich. LONG, Robert R. (W) National Tile & Mfg. Co. 1200 E. 26th St., Anderson, Ind. LONG, Russell E. (R I) Brush Beryllium Co. 4301 Perkins Ave., Cleveland 3, Ohio LONGENECKER, Robert J. (GJ) 46 James Rd., Broomall, Pa. (Foote Mineral Co.) LOXGFRITZ. Robert K. (RI) Brighton Brick Co. Box 256, New Brighton, Pa. LOXGIXO, Ted E. (W) Frankoma Pottery, Sapulpa, Okla. LOXGWELL. Burton (E) Republic Steel Corp. 1423 Republic Bldg.. Cleveland 1, Ohio LOREY. Frederick D. (GI) 857 Chestnut St., Parkersburg, W. Va. (Corning Glass Works) LOREY, G. Edwin Ceramic Dept.. Rutgers University New Brunswick. X. J. I ^ t D E N . R. H. (W I) ^ ^ ^ cG ean Chemical Co. ^ ^ H u d la n d Bld.. 101 Prospect Ave. N. W. ^^c!leveland 15, Ohio LOUGHRIDGE, Frederick A. (G) 52 Norwood Ave., Manchester, Mass. (Svlvania Electric Products. Inc.) Vol. 33, No. 10 (1954) LOUTHAN MANUFACTURING CO. (C. W. Gerster) East Liverpool. Ohio LOVE. L. G. (G) National Lime & Stone Co. First National Bldg., Findlav. Ohio LOVELAND, Edward'W . (G) 27 Llanfair Rd., Ardmore, Pa. (Ross & Cadwallader, Inc.) LOVENBACH, J. Glaceries de Saint Roch S. A. 50, rue du Luxembourg Brussels. Belgium LOWE. Earl C. (SI) 45 S. Culver St.. Logan, Ohio ( Straitsviile Brick Co.) LOWE, Edwin C. (RJ) 2394 Murray St. Niagara Falls, Ont., Canada ( Norton Co.) LOWE. George K. (RI) Charles Taylor Sons Co. Heights-Rockefeller Bldg., Rm. 210 Mavfield at Lee, Cleveland 18, Ohio LOWER, Clarence G. (SI New Bethlehem Tile Co. 311 Lafayette St., New Bethlehem, Pa. LOWER. Lloyd C. (S) 227 Washington St. New Bethlehem, Pa. (New Bethlehem Tile Co.) LUCAS, Joseph M. (W) 1431 Broad Blvd. Cuyahoga Falls, Ohio (U. S. Stoneware Co.) LUCIDO, Peter J. 1518 Central, Lafayette, Ind. LUCKETT, Joseph S. Texas Western College Box 108, El Paso, Texas LUDVIGSEX, 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.) LUDWIG, Urban W. (G) 498 Lake Rd., Webster, N. Y. (Bausch & Lomb Optical Co.) LUEDERS, Roland (M) 3241 Bradford Rd. Cleveland Heights 18, Ohio (Ferro Corp.) LUHRS, Millen E. (G) Libbey-Owens-Ford Glass Co. 1701 E. Broadway. Toledo, Ohio LUKS. Daniel W. (W I) Star Porcelain Co. Muirhead Ave., Trenton 9, N. J. LULL, Stanley E. (R) 6 Oberlin St., Worcester 10, Mass. (Bay State Abrasive Products, Inc.) LUNAK. Thomas E. (W I) Globe Union, Inc. 900 E. Keefe, Milwaukee 1, Wise. LUND. H. Howard (SJ) 44 S. Elmwood Ave., Palatine, 111. (Northwestern Terra Cotta Corp.) LUND, L. Howard (SJ) 1310 Chicago Ave., Evanston, 111. (Central Commercial Co.) LUND. Melvin S. (W) 426 E. State St.. Alliance, Ohio (Colonial Insulator Co.) LUND. Val J. 761 Emerson Ave., Salt Lake City, Utah LUSHER, Gerald H. (R) Norton Co.. 3859 Homewood Rd. Cincinnati 27, Ohio LUTTON, X. W. (W) Frazeysburg Rd., R. R. 1 Zanesville, Ohio <National Plumbing Pottery, Inc.) LYLE, Aaron K. (GF) 21 Cumberland Rd. West Hartford 7. Conn. (Hartford-Empire Co.. Div. Emhart Mfg. Co.) LYNCH, Eugene D. (W) Dept, of Ceramic Engineering 204 Ceramics Bldg., Urbana, 111. (University of Illinois) LYNCH, James F. (R) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio LYNCH, John F. (W) Lindberg Engineering Co. 2450 Hubbard St., Chicago, 111. LYNSAYAGE, Walter F. (G) 305 Arnold Ave., Port Allegany, Pa. (Pittsburgh Corning Corp.) LYON, John B. (S) 6 Circle Dr., Malvern, Ark. (Acme Brick Co.) LYON, Kenneth C. (GF) Indiana Glass Co., Dunkirk, Ind. LYONS, Clifford T. (W ) 3930 Edenhurst Ave. Los Angeles 39, Calif. (Western Talc Co.) LYONS, Edward J. 1289 Cahaba Dr., Atlanta, Ga. LYONS, S. C. (M) Georgia Kaolin Co. Dry Branch, Ga. LYTLE, Jack A. (W I) 1026 E. Lyon, Apt. 3 Milwaukee 2, Wise. (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. New 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 I. (W) 311 King St., W. Kingston, Ont., Canada (Frontenac Floor & Wall Tile Co., Ltd.) McAULEY, James W. (G) 2334 Sherwood Rd., Toledo, Ohio (Libbev-Owens-Ford Glass Co.) McBRIDE, P. B. (E) Porcelain Metals Corp. 1400 S. 13th St., Louisville 10, Kv. McBURNEY, John JV. (SF) 1543 N. Falkland Lane Silver Spring, Md. (National Bureau of Standards) McCAMMON, James W. (M) Dept, of Mines, Parliament Bldgs. Victoria, B. C., Canada McCAXDLESS, Lyon (G) Frazier-Simplex International Corp. 420 Madison Ave., New York 17, N. Y. McCANN, D. M. (W I) Akron Porcelain Co., Akron 14, Ohio McCANN, Sidney W. (E l) Pfaudler Co. 1000 West Ave., Rochester 3, N. Y. McCARTT, Kenneth C. (W) 1408 Delaware Ave., New Castle, Pa. (Universal-Rundle Corp.) McCLAYE, James W. (SI) Box 67, Toronto, Ohio (Peerless Clav Corp.) McCl e l l a n d , Roland h . ( w d Globe-Union Inc. 900 E. Keefe Ave., Milwaukee, Wise. McCLURE, Howard C. (R) 1808 Hutchins St.. Portsmouth, Ohio (Davis Fire Brick Co.) McCOLLOM, Perry C. (RI) American Refractories & Crucible Co North Haven. Conn. Roster 53 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 DRMICK, John M. (G) ^356 Cheltenham Rd., Toledo 6, Ohio (Owens-Illinois Glass Co.) McCORMICK, Stewart W. (R) Corhart Refractories Co. 1600 W. Lee St., Lousivitle, Kv. McCOY, N ELSO N, POTTERY CO. (Nelson McCoy Melick) Roseville, Ohio McCOY, William (M) 1219 24th St., X.E., Canton 4, Ohio (American Encaustic Tiling Co.) McCREERY, George L. (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, N. Y. (General Electric Co.) McDANEL, Donald \V. (W ) McDanel Refractory Porcelain Co. Beaver Falls, Pa. jMcDANEL, Melvin W. (R) ^ R.R. 3, Beaver Falls, Pa. jjpv';- (McDanel Refractory Porcelain Co.) '.'McDa n i e l , l . l . (R) ' Phelps Dodge Corp. Morenci Branch, Morenci, Ariz. >McDERMOTT, James J., Jr. (G) 136 William St,, New York 38, N. Y. '}' ` (Owens-Illinois Glass Co.) ^McDo n a l d , e . f . (e i > f i S Ingram-Richardson Mfg. Co. K Beaver Falls, Pa. 'McDo n a l d , Howard A. (B) 2375 Minor Ave., N., Seattle, Wash. (Penberthy Instrument Co.) O U GAL, Taine G. (W FI) 1117 South Dr., Flint 3, Mich . and H a'penny House . . . Somerset Bridge, Bermuda McDo w e l l , j . Spotts (RF) 4716 Bayard St., Pittsburgh 13, Pa. (Harbison-Walker Refractories Co.) J- McDOWELL, Samuel J. (B FI) V. 52 Elm Ave., Metuchen, N. J. (American Lava Corp.) McELROY, R. H. (M I) -, International Clay Machinery Co. ' 1145 Bolander Ave., Dayton, Ohio . McEVOY, Robert J. (R I) Y Engineering Div. . . Owens-Coming Fiberglas VX Newark, Ohio McF a r l a n d , James E. (E ) .... 14025 Greenbay Ave., Chicago 33, 111. .'.v (Inland Steel Co.) McGEAN, Ralph L. (E) Midland Bldg., 101 Prospect Ave., X.W. Cleveland 15, Ohio . (McGean Chemical Co.) . McGEE, Thomas D. (RI) Research Laboratory A. P. Green Fire Brick Co. Mexico, Mo. McGILL, William M. (S) Virginia Geological Survey Box 1428, University Station . Charlottesville, Va. , McGOHAN, G. William (E) f Armco Steel Corp., Middletown, Ohio - McGOLPIN, William C. (S) . Rm. 403, 57 Bloor St., W. Toronto 5, Ont., Canada ^ B l R A W , Delford A. (G) 4101 Garden Park Dr., Toledo 13, Ohio (Owens-Illinois Glass Co.) McHOSE, L. H.. INC. (M. M. McHose, Jr.) Box 47 Perth Amboy, N. J. Vol. 33, No. 10 (1954) McHOSE, M. M., Jr. (M) L. H. McHose, Inc. Box 47, Perth Ambov, X. J. McIXTOSH, Harold W. (G) American Window Glass Co. 9 W. Park Wav,Pittsburgh 12, Pa. McIXTOSH, William A. (Si West Virginia Pulp & Paper Co. Polychemicals Div. Charleston 4, S. C. McIXTYRE, G. H. lE F I) Ferro Corp. 4150 E. 56th St., Cleveland 5, Ohio McKAIG, \V. Wallace (R) Cumberland Steel Co., Cumberland, Md. McKEAXD, Irvin J. Minneapolis-Honeywell Regulator Co. Research Center 500 Washington Ave. S. Hopkins. Minn. McKEEX, Richard D. (Ml ) 2648 Robinson Blvd. Pittsburgh 21, Pa. (Swindell-Dressler Corp.) McKEXDRICK, Alexander Glenboig Union Fire Clay Co., Ltd. Glenboig, Lanarkshire, Scotland McKEXXA, John F. 95-20 240th St. Bellerose 26, N. Y. McKEOWN, J. Duncan (R) Carborundum Co. 601 American Bldg., Cincinnati 2, Ohio McKEOWN, Thomas H. (M) Box 31, Metuchen, N. J. (E. I. du Pont de Nemours & Co., Inc.) McKIBBEN, Burt H. (E) Niles Rolling Mill Div., Sharon Steel Corp., Niles, Ohio McKIXLEY, Theodore D. (E) E. I. du Pont de Nemours & Co. Newport, Del. McKIXXIE, J. R. (R) 3813 Hoke Ave., Culver City, Calif. (Ideal Chemical Products, Inc.) McKIXXIS, Charles L. (I) Midwest Research Institute 4049 Pennsylvania Ave. Kansas City 11, Mo. McKINSTRY, Herbert A. Box 391, State College, Pa. McLACHLAN, Eugene K. (R) Mellon Court. Westmont, Johnstown, Pa. (Bethlehem Steel Co.) McLAIN F IR E BRICK CO., DIV. O F H. K. PO RTER CO., INC. Lawson E. Mason) Ceramic Engineering Dept. Wellsville, Ohio McLAXE, James P. (M) Diamond Pottery Corp. 50-56 China St., Crooksville, Ohio McLAREX, Henry D. (E) Ferro Enamels (Canada) Ltd. Box 37, Oakville, Ont., Canada McLAREX, John (M) Broadview Circle, East Liverpool, Ohio ( Sales Representative ) McLAREX, Malcolm G. 7 Boileau Ave., Easton, Pa. McLa u g h l i n , John l . (E) 564 S. Craig PI., Lombard, III. (Finish Magazine) McLa u g h l i n , Joseph k . (w d Red Wing Potteries, Inc. Red Wing, Minn. McLa u g h l i n , William h . (R) Alsey Brick & Tile Co., Alsey, 111. McMAHOX, John F. (X FI) Alfred. X. Y. (New York State College of Ceramics) McMAHON, John F., Jr. (GJ) Apt. H-4. Oakwood Gardens Apts. Lansdaie, Pa. McMASTER, Harold A. (G) Permaglas, Inc., Genoa, Ohio McMULLEN, John C. (R) .` 9325 Rivershore Dr. Niagara Falls, X. Y. (Carborundum Co.) McMURDIE. Howard F. (BF) National Bureau of Standards Washington 25, D. C. McMURTRY, Carl H. Box 255, Alfred. X. Y. McXAMARA. E. P. (W FI) Cambridge Tile Mfg. Co. Box 71, Cincinnati 15. Ohio McXAUGHTOX, Ronald R. (B) Central Technical Library Consolidated Mining & Smelting Co. of Canada. Ltd.. Trail. B. C., Canada McXElLLY, Clvde, Jr. Box 827, Alfred. X. Y. McPHAIL, Dan iR i American Clay Forming Co. Tyler, Texas McQUARRIE, Malcolm C. (B) 105 E. Nittany Ave.. State College, Pa. (Pennsylvania State University) McRITCHIE, Frank H. <S ) Mellon Institute, Pittsburgh, Pa. McVAY, T. X. (X F Ij 10 Oakwood Court. Tuscaloosa, Ala. (University of Alabama > McWALTER, H. G. (R> 731 Forrest Ave., Jenkintown, Pa. (Laclede-Christy Co.) McW il l ia m s , Robert j. (E i) Pfaudler Co. (Elyria Div.) Taylor St., Elyria, Ohio M MacALPINE, William M. (X) 357 E. Main St., Somerville, N. J. (Johns-Manville Research Laboratory) MacDOXALD, James E. (R) McFeely Brick Co., Latrobe, Pa. MacDOXALD, R. W. (W I) 109 Bent Oak Dr., Shavano Park Box 661. R.R. 11, San Antonio, Texas (Aztec Ceramics, Inc.) MacIXTYRE, Donald J. (W) R. R., Pifford, X. Y. (Lapp Insulator Co., Inc.) MACKASEK, Edward (E) Porcelain Enamel Institute Dupont Circle Bldg. 1346 Connecticut Ave., X.W. Washington 6, D. C. MACKENZIE, James United Steel Companies Ltd. Research & Development Dept. Swinden Hous, Moorgate Rotherham, England MacKENZIE, James T. iR> Box 2603, Birmingham 2, Ala. (American Cast Iron Pipe Co.) MacKIE, L. Douglas (E) International Ceramic Mining, Ltd. 577 Eglinton Ave., W. Toronto, Ont., Canada MacLEOD, John United Fireclay Products, Ltd. Bathville Office Armadale, West Lothian. Scotland MacPHERSOX, Charles R. (G) Owens-Coming Fiberglas Corp. Fairfax Industrial District Kansas City, Kansas MacRAE, John (G) Fiberglas Canada Ltd. Box 309, Guelph, Ont., Canada MAC ZURA, George (RJI i !<>15 Magdalena Ave. East St. Louis. III. (Alcoa Research Laboratories) MADDEN, Jesse F. (W * Page-Madden Co.. Inc. 76-96 Second St.. Bex 110 Minela, N. Y. Roster 55 MADDEN, Robert C. (R) 315 Pint St. Sault Ste. Marie, Ont., Canada (Algoma Steel Corp., Ltd.) MADDOCK, A. M. (\V) R. R., Washington Crossing, X. J. (American Radiator & Standard Sanitary Corp.) DSEN, Leif Egil Box 4208, Sandakervn 109/111 Oslo, Norway (A /S Den Norske Slipeskivefabr.l MAGIC CHEF, INC. (Arthur Stockstroni) 1641 S. Kingshighway St. Louis 10, Mo. MAGID, H. S. (W I) American Radiator & Standard Sanitary Corp., Box 907 Trenton 5, N. J. MAGNUSOX, J. W. (M) Western Feldspar Milling Co. . Box 671, Salida, Colo. MAHESHWARY, Ved P. Govt. Central Pottery Agency ' Sonepat. Punjab, India YMAHIER, Lois W. (D) . 4535 Harding Blvd., Baton Rouge, La. MAHONEY, Frank B. (E) Richmond Radiator Co. Box 111, Metuchen, N. J. TURIN, Frank R. (R) ,,'f'i 638 Clower St., San Antonio, Texas i f KAIOR, Nelson S. ' s C e r a m i c a Sao Caetano S, A. Caixa Postal 278, Sao Paulo, Brazil MAJESKE, Joseph (G) SSifr. T. C. Wheaton Co., Millville, X. J. MALCOLM, Richard B. (W) 115 Knox St., R. R. 1 Bridgeville, Pa. (O. Homme] Co.) IALINOWSKI, Theodore P. (R) Monsanto Chemical Co. Product Development Dept. Springfield 2, Mass. U.KIN, W. R. (W) B. F. Drakenfeld & Co., Inc. .4 ' Box 267, East Liverpool, Ohio . //MALM, Arthur T. (RI) 233 Beverlv Rd., Worcester 5, Mass. MANDEL. Charles J. (W I) , Willette Corp. of New Jersey : Codwise Ave. & Reed St. New Brunswick, X. J. MANDLE, Richard M. (G) j Rare Earths, Inc. - Box 488, Pompton Plains, N. J. f ' MANN, George H. (G) ~ Lake Salubria, Bath, N. Y. ''' (Corning Glass Works) ^MANNING, R. Douglas (D) ; Har ker Pottery Co. ' ' East Liverpool, Ohio MANOUSEK, Miloslav *:-'i ' Jatecni 23, Praha V II, Czechoslovakia MANRING, Jack C. (SJI) ` " R.R. 1, South Charleston, Ohio . (Westinghouse Electric Corp.) MAXRIXG, Wiliam H. (G) Calumite Co. ' Box 151, Hamilton, Ohio Ma n s f i e l d s a n it a r y POTTERY, INC. (Perry E. Draper) ' Perrysville, Ohio . MANZ, Oscar E. (S) Box 516, University Station . Grand Forks, N. D. (llniversity of North Dakota) (it MARCH, Joseph W. (S) Nova Scotia Technical College ;. Halifax, N. S., Canada ^ iR C O W K A , Chester A. (E) 3331 S. 58th Court, Cicero 50, III. (Armour Research Foundation, ' ' Illinois Inst, of Technology) Ma r c u s . Leon <n . 519-B Tulip Rd., State College. Pa. Vol. 33, No. 10 (1954) MARGOLIS, David (W) 16 Winchester Ave., Yonkers 2, X. Y. (Fish-Schurman Corp.) "MARK, Stanley D., Jr. (Rl 1592 Love Rd., Grand Island. X. Y. (Carborundum o.) MARQUIS, John E. (W) Pemco Corp., Res. & Dev. Lab. 2552 Greenmount Ave. Baltimore 18, Md. MARSHALL, Claude L. 119 Lake Ave., Middletown, X. Y. MARSHALL, D^r.win (B) Electro Metallurgical Co. Metals Research Labs. Box 580, Xiagara Falls. X. Y. MARSHALL, Hugh C. (R) R.R. 2, Carrollton, Ohio (Carroll Clay Co.) MARSHALL, Xissim J. 2204 Franklin, -Apt. 4 Seattle, Wash. MARSHALL, Paul A. (G) 1201 Cherry St., Brockway, Pa. (Brockwav Glass Co., Inc.) MARSHALL, Shadburn (B) U. S. Steel Corp. Applied Research Laboratories 234 Atwood St., Pittsburgh 13, Pa. MARTIX, Francis W. (G) 101 Hornby Dr., Painted Post, X. Y. (Coming Glass Works) MARTIN, Frank B. (R) E. J. Lavino & Co. Box 29. Xorristown, Pa. MARTIN, George D. (E) 612 Colorado Ave., Baltimore 10, Md. (Pemco Corp.) MARTIN, H. C. (R) Carborundum Co., Niagara Falls, N. Y. MARTIN, James K. (M) 1068 Helen Ave., Lancaster, Pa. (Posev Iron Works, Inc.) MARTIN, John R-, Jr. (M) Monongahela Power Co. Wellsburg, W. Va. MARTIN, Leonard A. (W) Martin Ceramic Supply Co. 8901 Rainier Ave., Seattle 8, Wash. MARTIN, Ralph H. (W I) 2310 E. 52nd, Los Angeles 58. Calif. (Vernon Kilns) MARTIN, Wesley G. (EF) 6054 N. Kent Ave. Milwaukee 11, Wise. (A. O. Smith Corp.) MARTINO, Paul D. Cannelton Sewer Pipe Co. Cannelton, Ind. MARTINS, Renato, de Siqueira Ceramica Sao Caetano Caixa Postal 278 Sao Paulo, Brazil MARTZ, Joseph A. (R) 535 Riverside Ave., Wellsville, Ohio (McLain Fire Brick Co., Div. of H. K. Porter Co., Inc.) MARWAHA, Kidar N. Burn & Co. Ltd. Jabalpur Works, Box 13 Jabalpur 1, India MARX. 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. MASKILL, William (Webb Corbett, Ltd.) Coalbournhill Glass Works Stourbridge, Worcester, England MASON CITY BRICK & TILE CO. (C. F. Garland) Mason City, la. MASON, Lawson E. (R) McLain Fire Brick Co., Div. of H. K. Porter Co., Inc. Ceramic Engineering Dept. Wellsville, Ohio MASSEXGALE, Gordon B. (R) 1010 Vermont Ave., Apt. 3 Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) MASSON, R. Porzellanfabrik Langenthal A. G. Langenthal, Switzerland S/A I. R. F. MATARAZZO (M. Mazzetti) Brazil Export Corp. 50 Broadway, New York 4, X. Y. MATCHULAT, John G. (R> Buffalo Rd.. R.R. 2 East Aurora, X. Y. (Electro Refractories & Abrasives Corp.) MATEJCZYK. John F. (E) 7506 Trevanion Ave., Pittsburgh 18, Pa. (O. Hommel Co.) MATERIALI REFRATTARI SOC. p.AZIONI (J. Charles Mathon) Milano "44-Via Elia, Lombardini 13 Milan, Italy MATHER, Mrs. Katherine (Bl Waterways Experiment Sta. Drawer 2131, Jackson, Miss. MATHIASEX, O. E. (S) Federal Seaboard Terra Cotta Corp. Perth Amboy, N. J. MATHIESOX. George W. (G) 2253 Castlewood Dr., Toledo 13, Ohio (Kimble Glass Co.) MATHIESOX, Roblin M. (R) Aluminium Limited Sales, Inc. 630 Fifth Ave.. New 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 MATSON, Frederick R. (GI) 244 S. Burrowes St., State College, Pa. (Pennsylvania State University) MATTESOX, Gilbert D. (W) Engineering Library Scintilla Div., Bendix Aviation Corp. Sidney, X. Y. MATTHEWS, L. G. (E) American Smelting & Refining Co. 120 Broadway, New York 5, N. Y. MATTI SON, William F., Jr. (GI) R.R. 3, Lawson Dr., Madison, Conn. (Libbey-0wens-Ford Glass Co.) MAU, K. T. Gaspro, Box 2454, Honolulu, Hawaii MAUPIX, Addison (RI) Charles Taylor Sons Co. 710 Bums St., Cincinnati 14, Ohio MAURACH, H. Deutsche Glastechnische Gesellschaft Untermainkai 12 Frankfurt A.M., Germany MAURER, James A. (E) 5519 N. Late Dr., Milwaukee 11. Wise. MAURER, Robert D. (G) Corning Glass Works, Corning, N. Y. MAUSER, H. W. Spoorsingel 6S, Delft. Holland (Royal Delftware Manufactory) MAVOR, Wilfrid (E) Ferro Enamels (Canada) Ltd. Oakville, Ont., Canada MAXSON, ELYWN L. 1208 Isabel St., Burbank. Calif. MAXSON, Elwyn L. (M ) 1208 Isabel St., Burbank, Calif. MAXWELL, Laurel H. (B) 3518 Perry Ave., Kensington, Md. (National Bureau of Standards) MAY, L. F. (R) Standard Ultramarine & Color Co. Huntington 18. W. Va. Roster 57 MAYBAUM. Pau! S.. Jr. (B) MERRITT. Lester M. (W I) 4335 Norma Dr.. South Euclid. Ohio 654 Wilson Ave., Columbus 5, Ohio (Horizons Inc J (Industrial Commission of Ohio) MAYBERRY, M arcali L. 'M ERRY , E. B., Jr., (SI) 4812 Myrtle St., Lynchburg. Va. Merry Bros. Brick & Tile Co. MAYER, Walter S. (W) 415 Masonic BWg., Augusta. Ga. Mayer China Co. MERRY. W. H. (E) j Box 561, Beaver Falls, Pa. 380 E. End Ave.. Beaver. Pa. lY FIELD. Manvtlle J. iW I) ( Richmond Radiator Co. ) 706 Clayton Ave.. Chattanooga 4. Tenn. MERWIN. Byron W. (W) (American Lava Corp. 1 Parkway Rd., R. R. 2 MAYNARD, Fred A. (M 1 East Liverpool. Ohio 545 E. 250th, Euclid. Ohio ( Hall China Co. I (Harshaw Chemical Co.) MERZ. George MAYNARD. Frederick H. (Gl Avenida Dellni Moreira. 80, Leblon Corning Gla^-s Works Rio de Janeiro. Brazil 1 Jackson St.. W'elsboro, Pa. (MagneMta S. A.) MAYS, George A. (S) MESSIMER, Laverne A. (GI) . Niles, Calif. Holophane Co., Newark. Ohio (California Pottery Co.) MESSNER. Paul DuBois. Ill MAZZETTI. M. (W )' Box CC, Alfred, N. Y. S/A T. R. F. Matarazzo METAL & THERMIT CORP. Brazil Export Corp. (George C. Betz) 100 E. 42nd St. 50 Broadwav, New York 4. N. Y. New York 1", N. Y. MEDERT. Warren C. (Gl METZ. G. F. (M) .. 797 Deshier Ave., Columbus 6, Ohio Hillside Dr., Farquhar Estates (Owens-Illinois Glass Co.) York, Pa. MEEKA, Edward (S) (Hardinge Co., Inc.) : ... Metropolitan Clay Inc. METZGER. A. J. (RI) Box 27, East Palestine. Ohio Dept, of Ceramic Engineering - xJrfEHARG, Laurence (Gl Virginia Polytechnic Institute j. ' ; Hazel-Atlas Glass Co. Blacksburg, Va. r. 15th & Tacobs St.. Wheeling, W. Va. METZGER, H. C. (M) ' MEID, William J. (RI . E. E. Zimmerman Co. j 203 Elm St.. Glenview* ill; ' 1704 Keenan Bldg., Pittsburgh 22, Pa. (Lindberg Engineering Co.) MEULI. William P. MEINKEN. Robert H. (BT) 4509 19th Ave., N. E. ' -* 351 Prentiss Lane. University Heights Seattle 5. Wash. New Brunswick, N. J. (Bell Telephone Laboratories) MEXICO REFRACTORIES CO. (C. A. Smith) Mexico, Mo. . MEIRSOXXE. Arthur C. (S) MEYER, G. Robert (GJ) 114 W. Brighton Rd., Columbus 2, Ohio 1333V* Utah St., Toledo 5, Ohio * - (Kimble Glass Co.) (Libbev-Owens-Ford Glass Co.) iMEJIA, Lorenzo (G) MEYER, George W. (G) Colombia Brewers Industries, Inc. Glenshaw Glass Co., Inc. 80 Broad St.. New York 4, N. Y. Glenshaw, Pa. JIJPE L IC K , Nelson McCoy (D) MEYER, L. S. (S) / V 'L Nelson McCoy Pottery Co. Hydraulic-Press Brick Co. Roseville, Ohio 705 Olive St., St. Louis 1, Mo. - MELOY, C. L. (BI) V '. Res. Dept.. Rm. A406 . Bethlehem Steel Co., Bethlehem, Pa. . /MENG, Edwin R. (R) i-. Box 6087. Cleveland 1, Ohio - . (National Carbon Co.) 7 MENGSHOL. Clarence O. (E) . ,. . American Radiator & v Standard Sanitary Corp. MEYER, William W. (W) R. R. 1, Box 632, Annandale, Va. (U. S. Tariff Commission) MEYERHOFER, E. A. Meyerhofer & Co., Forchstrasse 2 Zurich 32, Switzerland MEYER-SCHOLER, Hans Carl Spitteierstrasse 1 'f.ipy-.v- 1089 Essex St.. Richmond, Calif. Liestal, Switzerland MERBLER, Wallace (GI) (Tonwerk Lausen AG) Meadowbrook Apts. 77, Corning, N. Y. MICHAEL, Frank L. (E l) (Corning Glass Works) 319 Norbourne Blvd., St. Matthews Me r c k , waiter j. m i) . 25 Addison Dr., Short Hills, N. J. Louisville 7, Ky. (General Electric Co.) (M. W. Kellogg Co.) MICHEL. Howard (E) MEREDITH. Neil F. (W I) : : 7024 Oakwood Rd. 1513 E. 15th St., Tulsa, Okla. (Porcelain Enamel, Inc.) Parma Heights, Ohio MICHEL, S. (Basic Refractories, Inc.) 9 Rue Deves, Neuilly-S-Seine, France MERIWETHER. B. Corbin (W ) (Socit Anonyme des Etablissments Deena Products Co., Arlington, Ky. G. Devincau ) . MERKEL, W. H. (S) M1CHELOTTI, Joseph E. (W JI) W. A. Riddell Co. . * American Clay Machinery Div. 164 E. Essex Ave.. Lansdowne, Pa. (Vitro Corp. of America) . Bucvrus, Ohio MICHENER, John William (G) MERLINE Ing. Francesco Research Laboratory Colonnata. Florence, Italy _ MERRIAM, Jack G. (R I) Owens-Coming Fiberglas Corp. Newark, Ohio 727 N. Wildwood, Mundelein, III. MICKWITZ. Alexander von (R) " (Titanium Alloy Mfg. Div., 701 Main St., Latrobe, Pa. National Lead Co.) (Stupakoff Ceramic & Mfg. Div., J E R R IM A N , Seth G. (G) Carborundum Co.) 2722 Lincolnshire Blvd. MIDDLESWARTH, Earl T. (G) Toledo 6, Ohio 1819 Kimball Ave., Arnold, Pa. L (Kimble Glass Co.) (Pittsburgh Plate Glass Co.) MERRITT, Clarence W. (W FI) MIDDLETON, George J. (W) Box 464, Alfred, N. Y. 432 Fifth St., Manhattan Beach, Calif. (New York State College of Ceramics) (L. H. Butcher Co.) Vol. 33, No. 10 ( 1954) MIDGETTE, Willard B. (G) Demuth Glass Works. Inc. Box 629. Parkersburg, W. Va. MIKE. Thomas M. 40 West St.. Hornell, N. Y. MILANI. Helio Box 827. Alfred, X. Y. M1LDWOFF, Ben (G) Bent Glass Works, Inc. 85-25 126th St. Richmond Hill 18, X. Y. MILLAR. X. S. C. British Titan Products Co.. Ltd. Kronos Hou.se. Coppergate York. England MILLER. B. L. (W) Roval China. Inc.. Sehring. Ohio MILLER. Boyd C. ( S ) Miller Equipment Co. Box 1566, Salisbury, X. C. MILLER, E. R. i\V) Washington Porcelain Co. Willow St., Washington. X. J. MILLER. Edmund H. 910 Poplar St., Austin. Texas MILLER, Fred M. (R) The Brynwood, Apt. A-24 Wynnewood, Pa. (General Refractories Co.) MILLER. Fred W\ (W) Franklin Manor, 114 Franklin St. Bldg. 8, Apt. B-2, Morristown, X. J. (Carborundum Co.) MILLER, Grant E. (E l) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio MILLER, Harold (E) 5736 N. Taiman Ave., Chicago 45, 111. (Ohmite Mfg. Co.) MILLER, Harold D. (M) 189 Circle Dr.. Plandome Manor Long Island. X. Y, (B. F. Drakenfeld & Co., Inc.) MILLER, Howard L. (RI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio MILLER, James L. (R) 131 Peach St., Park Forest, III. (Norton Co.) MILLER. John B. (MI) Third St., Lewiston. N. Y. (Titanium Alloy Mfg. Div., National Lead Co.) MILLER, John W. <W) New Castle Refractories Co. New Castle, Pa. MILLER, Jorge Smith Casilla 187, Cristaleras de Chile S. A. Santiago, Chile MILLER, Marlin, Jr. 1733 Southwood Ave., South Bend, Ind. MILLER, O. E. (R) Pyro Refractories Co. Box 466, Oak Hill, Ohio MILLER, Robert A. (GF) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22. Pa. MILLER, R. V. (W) Sovereign Potters Ltd. 282 Sherman Ave. X. Hamilton, Ont.. Canada MILLER, Russel A. (W I) 251 E. Rockland St. Philadelphia 20, Pa. (Frankford Arsenal) MILLER, R. W. (G) Columbia-Southern Chemical Corp. One Gateway Center, Pittsburgh 22, Pa. MILLER, Vincent P. (W) Miller Pottery Eng. Co. 2300 Palmer St., Pittsburgh 18, Pa. MILLER, William A. (R) Carborundum Co., Falconer, N. Y. MILLICAN, Kenneth L. (R) Aluminum Co. of America 3300 Missouri Ave.. East St. Louis, 111. R oster 59 MILLIGAN. Chester E. (R) 4814 Loma Vista Ave. Los Angeles. Calif. (Electro Refractories & Abrasives Corp.) MILLIGAN. Lowell (G) Norton Company. One New Bond St. Worcester 6, Mass. JlK E X . Edward C. (SI I 544 \V. North Ave. East Palestine. Ohio (Natco Corp.) MILLIKEN. Frank H. <S) Bowerston Shale Co.. Bowerston. Ohio MILLIKEN. John H. (I) Natco Corp.. East Canton. Ohio MILLIKEN. Joseph Edward (1) 228 \Y. Woodruff Ave. Columbus I . Ohio MILLIKEN. William M. Cleveland Museum of Art Cleveland 6, Ohio MILLIKEN. William U. Box 847. Alfred. N. Y. MILLMAN. Nathan (M) J. M. Huber Corp., Huber, Ga. MILLS, G. Alexander (B) Houdry Process Corp., Box 427 Marcus Hook. Pa. MILLS, R. Gerald CheMet Program, Bldg. 22, Room 234 General Electric Co. Schenectadv 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., Cheltenham, Pa. & VV. H. Corson) J ^ H H A L L . John B. (R) ^ ^ ^ B a ise r Aluminum & Chemical Sales Inc. ^^^1422 First National Tower Akron 8, Ohio MINTON. G. Z. (GI) Pittsburgh Plate Glass Co. Research Lab.. Creighton. Pa. MISSBACH, George E. (M) Morehouse Industries 707 Henrv Gradv 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. N. J. MITCHELL, Lane (BFI> School of Ceramic Engineering Georgia Institute of Technology Atlanta, Ga. MITCHELL, Russell G. (R) R. R. 1, Dutch Ridge Rd. Beaver, Pa. (McDanel Refractory Porcelain Co.) M lTOFF, Stephan P. 1839 Delaware St., Berkeley 3, Calif. MITRA. H. K. (I) ' 12 A Road East Jamshedpur E.R.. India fTata Iron & Steel Co.. Ltd.) mixer, wuiiam g., jr. (W) Box 214, Findlay. Ohio (Radio Corp. of America) MOCHEL. John M. ( B > 2817 Charlestown Rd.. New Albany, Ind. (Corhart Refractories Co.) MOCKRIN, Isadore ( B) ^ ^n n sy ]v an ia Salt Mfg. Co. ^^^H search & Development Div. ^ |H o x 4388 Chestnut Hill P.O. ^Philadelphia 18, Pa. MODIGLIANI. Piero (G) Modigliani Glass Fibers. Inc. Box 18. Lancaster. Ohio Vol. No. iu (1 MODRONE. Raimondo Visconti di MONTGOMERY, Thomas B. (R) Soc. Ceramica Richard Ginori Pittsburgh Plate Glass Co. Milan, via Bigli, 1 Italy 632 Ft. Duquesne Blvd. M-OEBUS, C. R. (M) United Clay Mines Corp. Pittsburgh 22. Pa. MONTGOMERY, Wayne C. (W) East Liverpool, Ofcio MOFFAT. John, Jr. (R) Aluminum Co. of America 230 Park Ave., New York 17. X. Y. 3275 Colony Circle Los Angeles 27, Calif. (Gladding, McBean & Co.) MOODY. H. Leslie (D) Hyalyn Porcelain, Inc., Box 460 Hickory. X. C. MOFFAT, John W., Jr. (R) Babcock & Wilcox Co. 2730 Koppers Bldg., Pittsburgh 19, Pa. MOODY. Willis E. (X I) 210 E. Franklin St.. Raleigh. X. U. (North Carolina State College) MOFFETT, Robert A. (RI) MOONEY. Edward L. (W) 315 W. Walnut St.. Lock Haven, Pa. General Laboratory Assoc., Inc. i North American Refr. Co.) Norwich. X. Y. MOHANTY. Gajendra Nath (I) Ceramic Engineering Dept. MOONEY, William F. (W) 7445 Etiwanda Ave., Reseda. Calif. School of Mines & Metallurge MOORE. Carleton B. Rolla, Mo. ^ ' Box 06, Alfred. X. Y. MHL, Helmuth (W) Fabrica de Loza "La Favorita" S.A. MOORE. Charles H. (R) P. R. Mallory & Co.. Indianapolis, Ind. Palma Norte 308, Despacho 312 MOORE, Dwight* G. (E F l) Mexico, D. F. Mineral Products Division MOHLER. Neal F. (SI) Champion Brick Co. National Bureau of Standards Washington 25, D. C. 7600 Pulaki Highway, Baltimore 6. Md. MOORE, H. MOHR, William C. (W I) Shenango China, Inc., New Castle, Pa. MOHUN. William A. (R) General Abrasive Co., Inc. 2000 College Ave., Niagara Falls, N. Y. MOLER PRODUCTS, LTD. Hythe Works Colchester, Essex, England MOLINA, Joao Jemandes Gtmenes Ceramica Sanitaria Porcelit, S.A. Rua Itapura 626, Sao Paulo, Brazil MLLER, J. Aall Porsgrunds Porselaensfabrik Porsgrund, Norway MONACK, A. J. (G) Box 305, Rutherford, N. J. (Consultant) MOXAGLE, William T. (E) Lloyd Ave., Stanhope, N. J. (Reaction Motors, Inc.) MONDAY, John C. (R) Hevi Dutv Electric Co. 4212 W. Highland Blvd. Milwaukee. Wise. MONETA, Fausto Via Mambretti 9, Milano, Italy ' MOXG, Lewis E. (R) 8506 Loughborough PI. Chevy Chase 15, Md. (National Bureau of Standards) MOXIXGER, Richard E. (W ) Park Blvd., East Liverpool, Ohio (Wellsville China Co.) Dept, of Glass Technology University of Sheffield Elmfield, Northumberland Rd. Sheffield 10, England MOORE, Henry (G) 38 Potter Ave. West New Brighton Staten Island, N. Y. (Metro Glass Co.) MOORE, James M. (S) Ashe Brick Co., Van Wyck, S. C. MOORE, John G. (W) 405 E. Poplar St., Robinson 2, 111. (W. A. Case & Son Mfg. Co.) MOORE & MUNGER (Murrav Rushmore, Jr.) 33 Rector St. New York 6, N. Y. MOORE, Richard S. (RI) Harbison-Walker Refractories Co. Farmers Bank Bldg., Pittsburgh 22, Pa. MOORE, Robert F. (R) Apt. B, Bldg. 68. 68 W. Steul>en St. Crafton, Pittsburgh 5, Pa. (Jones & Laugh!in Steel Co.) MORAN, J. J. (G) Landis Ave. & Spring Rd. Vineland. X. J. (Kimble Glass Co.) MORELL. X. L. (M> 313 Union Bank Bldg.. Bethlehem. Pa. (N. L. Morel! Co.) MOREXA, Alfred (W JI) 90 Hazel St., Clifton, X. J. (Mucon Corp.) MONK. Clarence B., Jr. (S) Structural Clay Products Res. Fdn. 20 X. Wacker Dr., Chicago, 111. MONKS. J. R. (G) 941 Danforth St.. Alton, III. MORGAN, John M. 720 Rankin Ave., Schenectady. X. Y. MORGAN, Raymond W. (R) Koehler & Morgan Co. 12099 Woodbine, Detroit 39. Mich. (Owens-Illinois) MORGAN. Robert A. (W I) MONROE. Graham D., Jr. Pass & Seymour. Inc.. Syracuse. X. Y. Box 3019 Georgia Institute of Technology Atlanta, Ga. MORGAN, Stuart F. (W I) "Marshnere". Mattapoisett Neck Rd. Mattapoisett, Mass. MOXTAGXO, Antonio M. (E) (J. I. Paulding. Inc.) 6 GJenmont Ave.. Columbus 14, Ohio (Inland Engineering Co.) MORGAN, Willard L. (G > 117 Hibiscus Dr.. Pittsburgh 35. Pa. MOXTEMAYOR, Ponciano S., Jr. ( Consultant) Box 1081 MORGAN, William R. (GFI) Monterrey, Xueva Leon, Mexico 1343 Brookwood, Birmingham. Mich. MONTGOMERY, Daniel (SJ) (Peninsular Grinding Wheel Div. 23 X. Buckey St.. Crooksville, Ohio Abrasive & Metal Products Co.) (Watt Pottery Co.) MORXIX. Bob L. (W I) MONTGOMERY, Earle T. (W FI) 3885 Pierce, Wheatridge. Colo. 12 W. Jeffrey PL, Columbus 14, Ohio (Coors Porcelain Co.) (Consulting Engineer) MORREX, Georges MONTGOMERY, Eldwin C. (G l) 20 Rue Debunne, Menin, Belgium Libbey-Owens-Ford Glass Co. MORRIS. Ernest D. 1701 E. Broadway. Technical Dept. 15 Irby Rr.. Heswall. Cheshire. England Toledo 5. Ohio (Morgan Refractories Ltd.) Roster til MORRIS. Frank {\V ) 236 Greenpnmt Ave. Brooklyn 22. X. V (Leviton .Miir Co.. Inc.) MORRIS. Geruc .1. i\V> Research Dept.. Ferro Corp. 4150 E. 5oth St.. Cleveland. Ohio MORRIS. lr\m c H. l\V) Ferro Corp . 4150 E. 56th St. Cleveland. Olii" RIS. John !.. l\Yi 14427 Aliimriiam. Xorwalk. Calif. ( Duroelmunc iKealcomania Co.. Inc.) MORRIS. Kent B 202 Evali" Dr.. Decatur. Ga. MORRIS. Fani R <G> Pittsburgh Plate Gi Co Creighton. Pa. MORRIS. \V. C iG) 1251 Mayfield Ridite, Cleveland 24. Ohio (Har-haw Chemical Co.) MORRISOX. li-ne H (Gi B. F Draketifeld & Co.. Inc. Box 519. Washington, Pa. MORRISOX. R F. (M) 384 Guif Rd.. Elyria. Ohio (Harshau Chemical Co.) MORRISOX. Wallace S. (E) 840 Cedar St.. Rockford. III. (Illinois Water Treatment Co.) MORSE. Arthur E. Euclid Beaci! Trailer Park 45 Lincoln Dr.. Cleveland 10. Ohio MORSE. Clifford E. iG) Dominion Gin* Co.. Ltd. Box I4*!). Montreal. Que., Canada MORSE. George T. <\VF) ' 7 Longview Rd.. Metuchen, X. J. .. (United States Gvpsum Co.) MORTON POTTERY CO. f, (S. W\ Rapp. Ir.) Morton, III. r -MORTON. William A. (R) ' 46 Standish Blvd.. Mt. Lebanon .' Pittsburgh 28. Pa. - (Loftus Engineering Corp.) MOSAIC TILE CO. Janesville. Ohio ER. Berthold B. ndu^tria Ceramica. Ltda. Apartado Aereo 4829, Bogota, Colombia MOSER. John B. (W) 214 South A St.. Monmouth, III. (Western Stoneware Co.) MOSER. John L. (R h 1210 Acorn Dr.. Dayton 9. Ohio (Carborundum Co.) MOSS. LeRoy L. (ED Walnut HiU> Rd.. Cleveland 22, Ohio (Ferro Corp. ) * MOTSCH. F. R. (G) Foster-Forbes Glass Co., Marion, Ind. MOULD. W. J. i\V i MOUSS(CttNeehuuTabbreelCnnesvvLiilElElleeM.. DEPOooNhtlitlSoe) ryPOCTo.TERY CO. Mount Clemens. Mich. MOURAUD. Paul H. (\Y) 14 Ingle-ide Rd. Upper Montclair. X. J. (Page-Madden Ceramic & Lava Co.) MOWREV. Fred W. (G) 108 Ro llers Dr.. Xew Kensington. Pa. (American Window Glass Co.) MUELLER. Eduard E. (RI) School of Mineral Engineering University of Washington Seattle 5. Wash. MUELLER. Fenl A. (R) 1360 Rudd. Caron City. Colo. (Freeman Fire Brick Co.) MUELLER, James I. (B) Ceramic Engineering Division School of Mineral Engineering sity of Washington 5. Wash. V. RueII E. <W*> 459 F. High St.. Xew Philadelphia. Ohio (Titanium \lloy Div.. National Lend Co.) VOL. N o. 10 (H).>4) MULLAX. Joseph (S) Champion Brick Co. 7600 Pulaski Highway Baltimore 6, Md. MULLEN. Willard F. (S) R.R. 1. State College, Pa. (Consultant) MULLER. Gerhard Staatliche Porzellan-Manufaktur Berlin Hartmannstrasse 1-3 (13a) Selb/Obertr. U. 8. Zone. Germane MULLER. Max (RI) * Basic Refractories 845 Hanna Bldg.. Cleveland 15, Ohio MULLER. Robert Ste. Emaillerie de St. Maurice 29 Rue du Ya! d osne St Maurice. France MULLIG \X . Edwin F. (H ) Jones Metal Products Co. W'e<i Lafavette. Ohio MULLITE REFRACTORIES CO. (Edward E. Bohn) Shelton, Conn. MULROY. James P. (E l) 965 Lafavette Ave., Buffalo 9, X. Y. MULRYAX.'Henry (R) Sierra Talc & Clay Co. Box 5()0. South Pasadena, Calif. MULYAXE. O. E. (E) 4138 X. 21st St., Milwaukee 9, Wise. (A. O. Smith Corp.) MUXDY, O. S. (WT) 436 Park Ave., Wheaton, 111. (Western Electric Co.) MURGATROYD, John B. Rockware Glass, Ltd., Rockware Ave. Greenford, Middlesex. England MURPHY. Harry T. (R) Climax Fire Brick Co., Climax, Pa. MURPHY, Remington M. (WO 420 Hixson Ave., Syracuse 6, X. Y. (Onondaga Pottery Co.) MURRAY. Ernest L. (M) United States Quarry Tile Co. East Sparta. Ohio MURRAY. Louis J. Yaal Potteries, Ltd., Box 49 Meverton. Transvaal. South Africa MURRAY. Maurice A. (WT) 502 Somerset St. North Plainfield, X. J. (Isclantite Mfg. Corp.) MURRAY. Robert S. (G) B. F. Drakenfeld & Co., Inc. Washington, Pa. MUSSELMAN, H. G. (G) 4413 Old Frederick Rd. Baltimore 29, Md. (Carr-Lovvrev Glass Co.) MUTTITT. F. C. (R) Algoma Steel Corp. Sauk Ste. Marie, Ont., Canada MYCALEX CORP. OF AMERICA (Richard A. Humphrey) Clifton Blvd., Clifton, X. J. MYERS. C. H. (R) Utah Fire Clay Co. Box 127. Salt Lake City, Utah MYERS. Charles Y. (\Y) Fdier Co.. Third Ave.. Ford City. Pa. MYERS. Wilbur C. (B) 2401 Malden Rd., Cleveland 21, Ohio (Brush Electronics) MYERSOX. Martin (W ) 90 Hamilton St., Cambridge Mass. (Myerson Tooth Corp.) MYGDAL. Rolf L. ( W) R.R. 5. Florence. Ala. {Stylon Southern Corp.) N XADLER. Marion R. (R) 5825 Enright Ave.. Dayton 3. Ohio fWright-Patterj-on Air Force Base) XAGAX. Harold 158 Crosman Terrace Rochester 20. X. Y. NAKAMURA. H. Henry (B) _ Armour Research Foundation of Illinois Institute of Technology 3427 S. Federal St.. Chicago 16, 111. NAKAMURA. Yoshikazu Asahi Glass Co. 1. 4-Chome. Ginza, Cho-ku Tokvo. lapan NAPIER. John F>. (Si 1297 Burton Ave.. Macon, Ga. (Cherokee Brick & Tile Co.) N A S H . Harold S. ( DF ) University of Cincinnati Ceramics Dept.. Cincinnati 21. Ohio NASH. Herbert (W> Southern California Gas Co. Box 324. Terminal Annex Los Angele^ 54, Calif. NATCO CORP. (R. A. Shipley) 327 Fifth Ave.. Pittsburgh 22. Pa. NATIONAL CERAMIC CO. (J. H. Culbertson ) 500 Southard St.. Trenton 2. X. J. NATIONAL ENGINEERING CO. SIMPSON MIX-MULLER DIV. (E. B. Henby) 549 W\ Washington Blvd. Chicago 6. 111. NATIONAL INDUSTRIAL SAND ASSN. (V. P. Ahearn) 1325 E St.. X.W., Washington 4, D. C. NATIONAL LEAD CO. (Alex Stewart) 111 Broadwav, Xew York 6, X. Y. NATIONAL LIME AND STONE CO. (L. G. Love) First National Bldg. Findlav. Ohio NATIONAL REFRACTORIES CO., INC. (R. A. Hitchins) 17th Floor Lewis Tower Bldg., 225 S. 15th St. Philadelphia 2. Pa. NATIONAL RESEARCH CORP. (Philip J. Clough) 70 Memorial Dr. Cambridge 42, Mass. NAUDOT, Jacques Directeur Cerabati Pont-Sainte-Maxenee (Oise) France NAVI AS. Louis (BF) Research Lab.. General Electric Co. The Knolls. Schenectady. X. Y. XAVRATIEL. Hans Jahnstr. 3. Lauf/ Pegnitz Bavaria. Germany ( Sembach & Co) XEAL, James E. (R) 164 Sandford Ave. North Plainfield, X. J. (Johns-Manville, Inc.) XEALON, Terence P. (J) Edward Curran Engineering, Ltd. Cardiff, Wales XEDREBERG, Roy E. G. Box 226. Alfred, X. Y. XEEF, Walter (M) Hanlev Co., Inc., Summerville, Pa. NEELY, Homer E., Jr. (G) 404 E. 11th Ave., Tarentum, Pa. (Pittsburgh Plate Glass Co,) NEFF, Edward D. (R) Box 205, Templeton, Pa. (Harbison-W'alker Refractories Co.) NEFF, John M. (R > Armour Research Foundation 10 W. 35th St.. Chicago 16, 111. NEFF, Russell C. (R) General Refractories Co. Olive Hill. Ky. XEIMAX, Robert (R) Whip-Mix Corp.. Inc. 411 W. Avery Ave.. Louisville 8, Ky. XELLES. Maurice ( D) Borg-Warner Central Research Lab. 706 S. 25th Ave., Bellwood. 111. NELSON, Forrest W. (El* 3341 S. Taylor. Milwaukee 7, Wise. (A. O. Smith Corp.) NELSON, James A. (R) University of Illinois 204 Ceramics Bldg., Urbana. 111. NELSON, James W Riverton. R R. 2. Salt Lake City, Utah R oster (>.`J NELSON. Karl E. i \V I Hetzel Lane. R. R. 5 Chattanooga. Tenn. (American Lava Corp.) NELSON, Robert E. (G) 17 Seneca Manor Dr. Seneca Falls, N. V. ^ ^ ( S y lv a n ia Electric Products. Inc.) ^ E lSON, Robert T. (R) Columbia-Geneva Steel Division Box 510. Provo, Utah NELSON, Theodore \Y. (M) Socony-Vacuum Laboratories Research & Development Dept. Paulsboro. N. J. NELSON. William I. (GJ) 118 Mary St., Binghamton, N. Y. (Solvay Process Diw, Allied Chemical & Dve Corp.) NERENSTONE, Marc A. (XJ) 311 W. 75th St., New York 23, N. Y. NETTER. William S. (G) 18081 Mendota Ave., Detroit 21. Mich. (Peninsular Grinding Wheel Co.) NETZSCH. Eric Maschinenfabrik Gebrueder Netzsch ` Werkstrasse 1 ' Selb (Bayern 1. Germany NEUHAUS. Jacques ' . v 18 Rue Charles Laffitte -Cjfe; Neuilly Sur, Seine, France 1 (Socit Jean Neuhaus) ^X PU M A N X , Paul D. (G) - ?. v 2 Knox St.. Campbell, N^Y. * (Coming Glass W orks)"- A NEW, Ryland J. (S) National Sewer Pipe Ltd. . Box 36, Oakville, Ont., Canada N e w a r k , Frank f . (w > * . Aluminum Co. of America 1450 Terminal Tower ^ Cleveland 13, Ohio NEWARK, Martin (S) Simonds Abrasive Co. ^ ^ ^ ^ T a c o n y & Fraley Sts. Philadelphia 37, Pa. TiEW BOLD GENERAL . REFRACTORIES, LTD., Gavey St. : Mayfield, N. S. W., Australia t NEW CASTLE REFRACTORIES CO. (R. W. Rowland) New Castle, Pa. ' NEWCOMB. Rexford, Jr. (RI) 915 Dodge, Lake Geneva, Wise. (RX Chemical Co.) NEW JERSEY PORCELAIN CO. . (J. M. GilfillanT Box 908 Trenton 5. N. J. NEWKIRK, Terry F. (B) V Portland Cement Association Fellowship -, National Bureau of Standards Y Washington 25, D. C. " NEWMAN, Robert W. (G) _ R. R. 5, Putnam Rd. Schenectady 6, N. Y. \ (General Electric Co.) NEWPORT, John J. (X) Dow Chemical Co.. Bldg. B 1220 Freeport, Texas NEWTON, Avery C. (R) The Refractories Institute First National Bank Bldg. Pittsburgh 22. Pa. NICHOLSON. Albert H. (D) Federal Glass Co. 515 Inni> Ave., Columbus 7, Ohio - NIELSEN. James W. (B) Bell Telephone Laboratories Murray Hill, N. J. NIEMAN, A. H. (G i Ohio Lime Co., Woodvitle, Ohio LEWSKI, B. K. Main Enamel Mfg. Co., Ltd. Gothic Works, Angel Rd. Edmonton, London. N. 18, England NILES FIRE BRICK CO. (J R. T. Clingan ) 165 E. Park Ave. Niles. Ohio Vol. :w, No. io (io:>4) NIPPON TOKI KAISHA, LTD. NORWALK. Marshall H. (Jun lsagawa) ~ l, Xoritakeshinmachi. 74 Chester Circle. ' Nishiku. Nagoya. Japan New Brunswick, X. J. NISULA. Chester A. (G) NORWOOD. George M. (*S> 716 Main St. Rjverton. N. J. Norwood Brick Co. (Simonds Abrasive Co.) Box 5416, Raleigh. X. C. NIYOGI, D. P. NORWOOD, J. Nelson (Life. X) Sur Enamel & Stamping Works, Ltd. Alfred University, Alfred, X. Y. 24 Middle Rd., F.ntallv, Calcutta. IndiaNOVAK, John P. (E) NOBES. Frederick L. 3144 S. Harlem A\e.. Rherside, lli. Carliorundum Co.. Ltd. (Chicago Vitreous Corp.) Manchester, England XOYY. Anton R. (B) NOBLES. Eugene L. (E) 8140 Merrill A\e., Niles. 111. 3714 Torrington Ave.. (Great Lakes Carlxm Corp.) Cleveland 2t|. Ohio XOYY, Otto R. (E) (Ferro Corp.) . 1525 Robin Hood Lane NOBLES. Melvin A. (R) LaGrange Park, 111. Oklahoma A. & M College (Chicago Vitreous Corp.) Mechanical Engineering Dept. NOWELL. Dorroh U.. Jr. i S) Stillwater. Okla, 202 Broad St.. Augusta, Ga. NOBLITT, H. L. (Gi (Merrv Bros. Brick & Tile Co.) Ortona Gold Mines, Ltd. X Y Q V J S f , Roy A. (G) 143 Fir>t Ave.. Ottawa. Ont., Canada 3650 Beechway Bhd.. Toledo 14. Ohio NODA. Tokito ( Libl>e>-Ow en^-Ford Gla>s Co.) Dept, of Applied Chemistry Faculty of Engineering Nagoya University o Chikusa-ku. Nagoya, Japan NOHLE. Richard C. (SJI) Claycraft Co. Box 866. Columbus 16, Ohio NOLAN, William F. Deposit, N. Y. XORANTE. Nicholas J. 609 Spring St., Latrobe, Pa. XORDBERG, Martin E. (G) 134 E. Fourth St., Corning, X. Y. (Corning Glass Works) NORDGREN, Harry Aktielxdaget Gustavsberg Fabriker Gustavsberg, Stockholm, Sweden NORDMEYER. Rudy L. (S) Valley Brick & Tile Co. Mission, Texas NORDQUIST. Lawrence E. (BJ) 9411 S. St. Louis Ave. Chicago 42, 111. (Zenith Radio Corp.) XORDYKE. J. S. (M) Hammond Lead Products, Inc. 1602 Oliver Bldg., Pittsburgh 22. Pa. NOREX, Saul Box 706, Alfred, X. Y. NORMAXDEAU, Pierre (D) 3660 Hutchison St. Montreal 18, Que., Canada NORTH AMERICAN PHILIPS CO., INC. (C. J. Woods) Research & Control Instruments Div. 750 S. Fulton Ave., Mt. Vernon, N. Y. NORTH AMERICAN REFRACTORIES CO. (E. M. Weinfurtner) National City E. Sixth Bldg. Cleveland 14, Ohio NORTH CAROLINA FELDSPAR CORP. (W. F. Deneen) Erwin. Tenn. OAKLEY. \Y. \Y. (GF) Box 35, Corning, X. Y. (Corning Glass Works) O BANNON, L. S. (E) 2239 Farleigh Rd., Columbus 21, Ohio (Battelle Memorial Institute) OBERST, Clair R. (M) Industrial Ceramic Products, Inc. 965 W. Fifth Ave., Columbus 8, Ohio O BRIEN, Neil H. 20 Central Dr., Port Washington, X. Y. O'CONNELL, Thomas B. (G) Libhey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio O'CONNOR. Jerry B. (M) 333 W, State St., Trenton 8, N. J. (O. Homme! Co.) O'DELL. George D. (G) Ohio Lime Co., Woodville. Ohio ODOM. Paul R. (MJ) 3882 St. Charles PL, Macon, Ga. (J. M. Hul>er Corp.) OESCH, Robert B. (S) Teague Brick & Tile Co., Teague, Texas OESTERLE, Henry (E) Roesch Enamel & Mfg. Co. W. Main & X. 24th Sts. Belleville, 111. OESTERLE. Robert A. (E) 2427 W. Main, Belleville, III. (Roesch Enamel & Mfg. Co.) OGDEN, D. P. (6) Ogden Engineering Co. Box 218, Ottawa, III. OGDEN, Ellsworth P. (RF) Box 537, Granby, Colo. (Consultant) OGDEN, John T. (GF) Glass Industry 55 W. 42nd St., New York 36, N. Y. NORTHWESTERN GLASS CO. (Edward S. Campbell) OGDEN, William D., Jr. (I) Island Route, Lock Haven, Pa. 5801 E. Marginal Way, OHIO BRASS CO. (J. J. Taylor) Seattle 4. Wash. Barberton, Ohio NORTHWESTERN TERRA COTTA CO. OHIO CLAY CO. (Norman E. Denison) (Burnette Purcell) Box 1776. Cleveland 5, Ohio 1750 Wrightwood Ave., Chicago 14, 111. OHIO LIME CO. NORTON, Charles L., Jr. (RF) (A. H. Xieman) Woodville, Ohio 161 E. 42nd St., New York 17, N. Y. OHLIGER, Lewis P. (G) (Babcock & Wilcox Co.) 209 Ridgeview Dr. NORTON CO. (O. J. Whittemore, Jr.) Worcester 6, Mass. East Rochester, N. Y. (Bauseh & Lomb Optical Co.) NORTON, Frederick H. (BFI) OHNYSTY, Basil Dept, of Metallurgy Sec. L-5, DC6/NTS, Newport, R. I. Div. of Ceramics O'LEARY, W. J. (R) Mass. Institute of Technology 300 E. 25th St., Wilmington, Del. Cambridge 39, Mass. (E. I. du Pont de Nemours & Co.) NORTON. James M. (R) OLD HICKORY CLAY CO. 125 Kent Blvd., Salamanca, N. Y. (L. F. Powell) (C. B. Norton & Son Co.) Box 271. Faducah. Ky. Roster G OLIVE, Frank C. (R) OSTMAX, Emil L. (E) 509 Chamber of Commerce Bidg. 862-- 13rd St., Brooklyn 32, N. Y. Indianapolis 4. Ind. ( Bettinger Corp.) OLIVER, John C. (E) 'OSTRANDER, Eugene C. (G ) Porcelain Enamel Institute Kopp Glass, Inc. Dupont Circle Bldg. Box 8255, Swissvale, Pittsburgh 18. Pa. 1346 Connecticut Ave.. X. W. OTLEY, J. D. (S) ' Washington 6. D. C. John B. Kelly Inc. of Penn. JVER, W. V. i.Wi 1720 Cherry St., Philadelphia 3, Pa. French Saxon China Co., Sebring. Ohio OTTAWA SILICA CO. "OLSEN, Eric (D) (George A. Thornton) Box 437 R. R. 63, Dundee, 111. Ottawa, 111. (Haeger Potteries. Inc.) OTTO. George H. (S) OLSEN, John M. <E) 53 \Y. Jackson Blvd., Chicago 4, 111. E. I. du Pont de Nemours & Co., Inc. ( Consultant ) Electrochemicals Dept. OTTO, William H. (G) Wilmington 98. Del. Owens-Corning Fiberglas Corp. OLSEN, Rangwald S. t E I ) Newark, Ohio 1137 Grant St.. Evanston, 111. OTTOSOX. Axel (GI) (Armour Research Foundation i 4300 Highland Ave., Shadyside, Ohio OLSON, E E. <G> ( Imperial Glass. Corp.) A. H. Heisey & Co., Newark, Ohio OVERDORF, Lt. (J.G.) Thomas R. (RJl OLSON, Hjalmar United States Navy Aktiebolaget Gustavsbergs Fabriker VS-38. F. P. O., San Francisco. Calif. Gustavsberg. Sweden OWEN, Frederick E. (R) OLSON, Ole A. (Ri Electrical Refractories Co. 5 Wrenwood Court East Palestine, Ohio ' ; Webster Groves 19, Mo. OWEN, J. D. (Laclede-Christv Co.) R. Fowler, Ltd., Fitzrov St. O nondaga pottery co. Marrickville, Svdnev, N.S.W., Australia - (R. H. Pass) 1856-58 \V. Fayette St. OWENS-CORNING FIBERGLAS CORP. (A. C. Siefert) Newark, Ohio ' ^ Syracuse 4, N. Y. jV bPPE R , Fred H. (R) -v^., Savannah Kaolin Co. . *; : . 314 American Bldg. ' Box 184, Savannah, Ga. 'tORAVEC. Joseph A. (S) 3731 N. Newland Ave., Chicago 34, III. ^ OREFRACTION, INC. ^ (Albert L. Kreuer) 7425 Thomas St. Pittsburgh 8, Pa. ORME, William C. (G) Cambridge Glass Co., Cambridge, Ohio OWENS-ILLINOIS (E. W. Summers) General Engineering Dept., Alton, 111. OWENS-ILLINOIS GLASS CO. (W. Funke) Box 1019 Oakland 4, Calif. OWENS, James S. (VV) Champion Spark Plug Co., Ceramic Div. 8525 Butler Ave., Detroit 11, Mich. OWENS, Robert K. (X J) 813 W. Church St., Elmira, N. Y. (North American Refractories Co.) ORMSBY, Walter C. 214 Fairmount Ave., State College, Pa. P I ^ ^ ^ E L L A , LeRoy F. (GJ) 3206 Upton Ave.. Toledo 6, Ohio (Glass Fibers, Inc.) ; .ORR, David B. . >. R.R. 2, Oneonta, N. Y. . ORTH, Howard S. (W) Industrial Ceramic Products, Inc. . 965 W. Fifth Ave., Columbus 8, Ohio /O R T M A N , Fred B. (RFI) - ' Gladding, McBean & Co. _ .. 2901 Los Feliz Blvd. - Los Angeles 3^, Calif. PABST. John G. (M) 552 N. Main St., Butler, Pa. (Saxonburg Ceramics) PACIFIC CLAY PRODUCTS (John D. Fredericks) Box 2178, Terminal Annex Los Angeles 54, Calif. PACIFIC COAST BORAX CO. (M. H. Pickard) Div. of Borax Consolidated, Ltd. 100 Park Ave., New York 17, N. Y. V ORTMAN, Robert C. (W) PACKMAN, Willard D. (W I) " l 4419 Union St., La Canada, Calif. 1759Vs Dale Rd., Cincinnati 37, Ohio (Robert C. Ortman Potter>* Mfg. Co.) (Cambridge Tile Mfg. Co.) ORTON, EDWARD, JR., PADEN CITY POTTERY CO. C CERAMIC FOUNDATION (Merrill C. Sondles) ; (J. L. Carruthers) 1445 Summit St. Paden City, W. Va. : Box 146, Sta. A, Columbus 1, Ohio r ORTON, Mrs. Edward, Jr. ; - 39 W. Torrence Rd., Columbus,Ohio ilV ORZANO, Michael J. (SI) Claycraft Co. Box 866, Columbus 16, Ohio OSAWA, H. K. (S) 3512 E. Fifth St., Los Angeles, Calif. OSBORN, Elburt F. (B) College of Mineral Industries . Pennsylvania State University State College, Pa. OSBORN, Walton O. (R) North American Refractories Co. Water St., Lock Haven, Pa. OSBORNE, David G. (J) Lemington Glass Works Ltd. Lemington Newcastle-on-Tvne 5, England ^ fc T E R H O L T Z , Carl (R) PADFIELD, Ralph C. (W) Apt. 10F, Parkhurst Apts. Bethlehem, Pa. (Bethlehem Steel Co.) PADILLA, Federico Apartado Postal 26783, Mexico, D. F. (Electroceramica, S. A.) PA FF, John A. (G) 232 N. Sixth St., Reading, Pa. (Willson Products. Inc.) PAFFORD, Ray W. (SF) Acme Brick Co. Box 425, Fort Worth 1, Texas PAGE-MADDEN CO., INC. (Jesse F. Madden) 76--96 Second St., Box 110 Mineola, N. Y. PALADINO, Albert E., Jr. Box B B, Alfred, N. Y. P. Green Fire Brick Co. PALAMARA, Louis M. (S) Mexico, Mo. 1526 Linden Ave., Zanesville, Ohio OSTERMAN. James W. (R) (Donald Hager Ceramic Materials) 675 Copley Rd.. Apt. 3. Akron, Ohio PALMER, Delos M. (D) (Kaiser Aluminum & 4401 Jackman Rd., Toledo 12, Ohio Chemical Sales, Inc.) (Delos M. Palmer & Associates) Vol. 33. No. 10 (1954) PALMER, Joseph D. (W ) 2432 Ontario Ave., Niagara Falls, N. Y. (Carborundum Co.) PALMER, Rufus N. (M) 476 Broadmoor Ave., Pittsburgh 34, Pa. (Consultant) PALMER, Willard E. (W I) Box 205, Brazil, Ind. (Arketex Ceramic Corp.) PALMERI, Victor R. Casilla Correo 38 Sue. Velez Sarsfield 7 Buenos Aires, Argentina PALMOUR, Hayne III (RI) Box 204. Signal Mountain. Tenn. (American Lava Corp.) PALTZER, Clifford (XJ) 1100 Peace St.. Pella, la. PAPER MAKERS IMPORTING CO., INC. (Charles Brian) 44 S. Second St.. Easton, Pa. PAPIER, Harry (S) Xatco Corp., Cordova. Ala. PAPPIS, James 433 Brookline Ave., Boston 15, Mass. PARCEL, Martin W. (W ) Robertson Mfg. Co. Box 848, Trenton 5, N. J. PARHAM, Robert C. (W ) Sippi Products Co., Wickliffe, Ky. PARIKH, Niranjan M. Metallurgy Section Scientific Laboratory Ford Motor Co., Dearborn, Mich. PARKER, Glidden M., Jr. (D) Glidden Pottery, Inc., Alfred, X. V. PARKER, Harry (R I) 1015 Quebec Terrace Silver Spring, Mcl. (National Bureau of Standards) PARKER, James W., Jr. (Si R.R. 3, Shakespeare Rd. Columbia, S. C. (Carolina Ceramics, Inc.) PARKER. Leon (G) H. I. Thompson Fiber Glass Co. 1733 Cordova St., Los Angeles 7. Calif. PARKER, Raymond W. (R) Alliance Clay Product Co. Box 746, Alliance. Ohio PARMER, Jess H., Jr. (G) Owens-Illinois 1625 E. Broadway, Alton, 111. PARXHAM. H. General Refractories Ltd. Worksop, England PARSON. James A. (W I) 6217 Broadway, Indianapolis 20, Ind. (Vitroseal Corp.) PARSONS, Douglas E. (S) Building Technology Division National Bureau of Standards Washington 25, D. C. PARSONS, J. R. (R) Chicago Fire Brick Co. 7531 S. Ashland Ave., Chicago 20, 111. PASK. Joseph A. (BFI) Division of Mineral Technology University of California Berkeley 4, Calif. PASPY, Stanley F.. Jr. (R) Ferro Corp. 4150 E. 56th St.. Cleveland 5, Ohio PASS, J. S. (W ) Pass & Seymour, Inc. Solvay Station, Syracuse 9, N. Y. PASS, R. H. (W ) Onondaga Pottery Co. 1856-58 W. Fayette St. Syracuse 4, N. Y. PASS & SEYMOUR, INC. (J. S. Pass) Solvay Station. Syracuse 9. N. Y. PATERSON. G. W. (R) Refractories Engr. & Supplies, Ltd. 8291 Royden Rd. Mount Royal, Que., Canada Roster 67 i E. 'RiAKCA, Armando S. E. Piedra.- 383 Buenos Aires, Argentina l^A. P. Green Fire Brick Co.) PA i RICK, Howard 2929 Kling Ave., Cincinnati 11. Ohio RICK. Robert F. (EI) Pemco Corp. 2554 Greenmount Ave. Baltimore 18. Mil. PATTERSON', Harvey E. (M) T. L. Smith Co. 2835 X 32nd St.. Milwaukee 10. Wi.-e. PATTERSON. Richard C. (X Ji United States Quarry Tile Co. Parkersburg. \V. Va. PAULSON. Fred H. iR) 28 Greemlale A\e., \\ reenter 6. Mass ( Norton Co.) PAVLISH. Arnold F. GF) 29J4 Clarkson Rd. Cleveland Pleiglits 18. Ohio (Cle\eland Supply Co.) IAWLOWSK1. Edward J. (\Y) 11 Morris St.. Amsterdam. N. V. (Mica Insulator Co.) PEARCE. Charles S. (F) American Ceramic Society 4055 N. High St.. Columbus 14, Ohio PEARCH, Howard C. (W JI) .. .. 1309 VVoodington Rd., Baltimore, Md. (Locke Dept., General Electric Co.) . PEARCH. William M. (W) Akron Porcelain Co., Akron 14, Ohio ,, PEARSON. Edward P. (R) - * Basic Refractories, Inc. ` Maple Grove, Ohio TEAR SON. E. J. & J,, LTD. -, K (Charles A. G. Thomas) E Firebrick Works Stourbridge, England "PEASE. Philip J. (G) * 1405 Washington Ave. : Parkersburg, W. Va. (Demuth Glass Works, Inc.) HMAN, Alexander (W I) 462517a Park Blvd., San Diego 16, Calif. (Rvan Aeronautical Co.) PECK, J. Clair (SI) . 634 W. King St., York, Pa. (Glen-Gery Shale Brick Corp.) PECKHAM. George W. (G) Chattanooga Glass Co. Chattanooga 10, Tenn. 3 PEDRICK. W. W. (G) Armstrong Cork Co.. Millville, N. J. PE DU, Richard K. *(MJI) . 1 2 9 Chestnut St., Garden Citv. N. Y. . VPEEL. G. N. ' U Associated Lead Manufacturers Ltd. Crescent House \ Newcastle-on-Tyne, 1, England . PEILER, Karl E. (GF) . Hartford-Empire Co. -A Div. Emhart Mfg. Co. - Box 1620, Hartford 2, Conn. PELZ, Robert W. (E l) 2706 Grovewood, Parma 9, Ohio ( Ferro Corp.) PEMCO CORP. (Richard H. Turk) 5601 Eastern Ave., Baltimore 24. Md. PENBERTHY. Larry (G) Penberthy Electromelt Co. 2317 47th S. \Y.. Seattle 6, Wash. PENCE. Forrest K. (W FI) 1609 Scenic Dr.. Austin, Texas PENNSYLVANIA PU LV ERIZING CO. (William J. Woods, Jr.) 140 Stanwix St., Pittsburgh 22, Pa. PENTECOST, Joseph L. University of Illinois 204 Ceramics, Urbana, 111. EIRA, Armando de Arruda (F ) Caixa Postal 1930, Sao Paulo. Brazil (Ceramica Sao Caetano, S/A ) PEREXY. Andrew (M) Perenv Equipment Co. 8'M Chambers Rd. Box 153. Station A. Columbus. Ohio Voi.. No. 10 ( 1004) 1 ERKINS. Harrell L. (M ) Central of Georgia Railwa\ Co. - 501 Rhode.-'Haverty Bldg. Atlanta 3, ( ia. PERKINS. Walter \Y. (W l ) 6U0 De Witt St., Linden. X. J. (U. S. Stoneware Co.) P E R R Y . Robert F. ( Wl I Box 283. Victor. X. Y. 1Victor In-ulatur-. Inc.) PERRY. Robert W. Box "8". Alfred. X. Y. PERRY. T. Ka> ` ' University of Texa* Dept of Ceramic Engineering Austin. Texas PERTUCH. Walter A. R. (D) Franklin Institute Library 21Uli & Parkwav. Philadelphia 3, Pa. PESKIN. William U (W) Carborundum Co. Perth Ainbtn, X. J. PETERS. Forrest !. (G) 2 Meadow Brook Apts.. Corning. X. (Corning Glass Works) PETERSEN. Fred A. (E F I) Hunter-Thomas Associates Keith Bldg.. Cleveland 15. Ohio PETERSON. Albert F. Box 246. Alfred. X. Y. PETERSON. lack D. (Gl 3026 123rd St.. Toledo 11. Ohio (Kimble Glass Div., Owens-Illinois Glass Co.) PETERSON. Jack L. (R) 9911 Calmada Ave.. Whittier. Crvif. (Melvin L. Tontz Co.) PETERSON. John A.. Jr. <S) R.R. 44. Box 530 New Brunswick, N. T. (Federal Seaboard Terra Cotta Corp.' PETERSON. W. H.. fr. (R) Valentine Fire Brick Co Div. A. P G^een Fi-e ILic'' C \ Woodbridge. X. T. PETRIE E-r] C. CP*'1) No- *h Gne'icnn Ref"',''fo- ies Co. 101? National C;j,\ E. S i'th Bldg. P 'n e 'ard 14 Ohio PETRIE. Lloyd R. (W) 305 Western. Abingdon. 111. (Abingdon Potteries. Inc.) PETT, Tyler G. (G) 261 Antlers Dr., Rochester IS. X. Y. (Bau-ch & Lomb Optical Co.) PETTINOS, George F.. Inc. (George F. Petti o-. Sr.) 1203 Locu t St.. Philadelphia 7. P.:. 1 ETTIXOS. Geo-ge F,, Sr. (R) Gto-ge F. Petti'os, Inc. 1203 Locust St.. Philadelphia 7. Pa. P ET T K E R . J. H. (G) Latchford-Marble Glass Co. Box 4707. Florence Branch Los Angeles 1. Calif. PETTY. Frank (W l 2771 W. 230th St. F 'i view Park 26. Ohm (Clexek'ird Ceramic Co p.) PETTY 1Toward E. <S> 3131 Ryors. Lin *oln 2 Nebr. (Yankee Hill Brick M fg. Co.) PEACHES. P. Ivan Cenfe de Reche"che- <!e la Cie de Saii't-Gokain z2 Boulevard de la Viiiette Pari- PP France TE.iUDLER Co. (Sidney W. McCann) 1000 We t Ave.. Rochester 3. N. Y. I F El FIE C II. (R) Cu-ran-PfeitT Corp. r'n- 527. Metlichen. X. J. PFEIFFER. Wilbur H. (EFI) E' gineermg I.ab.. Plant 2 F.dgidaire Div.. Ger.e'al Motor- Corp. Dnvton 1. Ohio I I E. EGER. (Lo ge E. (M ) Hir-haw Chemical Co. ?2 '7 S Garfield. Los \: gele- 22. Calif P i l A D K E , \ . S. Le.it.ai Potteries. Ltd. hwari, Nagpur 2. India PHELPS DODGE CORP. MORENCI BRANCH ( L L Me Daniel ) Morenci. Ariz. PH El.PS. Girard W. I W > 410 E. Magnolia Dr.. Morri-\ille. Pa. ) United Clay Mines Cu:p.) PHELPS. Stuart M. (REt Mellon Institute. Pittsburgh 13. Pa. PH1LB1N. John P. i\V) 1567 McFarland Rd.. Pit-burgb 1(. Pa I Vitro Mig. Co > PHI I.El PS. Adrian W.. Jr ( R ) 316 Fairmont A\e.. New ( a-(lc. Pa. iShenargo China. Inc.) PHILLIPS, diarie- J. (G Radio Coq of America RCA \ iclor D i\.. Bldg. S 5 Camden. N. J. PHILLIPS. Donald G. (Xi 2804 Lynne Ave., Hatboru. M K.. Pa. (Precision Grinding Wheel) PHILLIPS, Edwin. L. (Ml ) Carolina Pyrophyllite Co. Box 2414. Greensboro. N. (E PHILLIPS. Gordon D. (W) Oleati Tile Co.. Olean, X. Y. PHILLIPS. Jack E. (W) Box 44. Lakewood Ave. East Quogue, L. L. N. Y. (Brookhaven National Lab.) PHILLIPS James G. ( RI > Dept, of Mines & Technical Surveys Mines Branch. Industrial Minerals I ) i\. Lvdia St.. Ottawa. Ont., Canada PHILLIPS. Leigh E. (B) Box 87, East Quogue. L. E, N. Y. ( Brookhaven National Lab. ) PHILLIPS. Richard A. Box 847, Alfred. N. Y. PHILLIPS. W. F ir (G) Duplr.te Canada Ltd. 0 St. Cu.ir Ave. W. To.o. tu. Oi.i., Canada PHOENIX. Richard Carl (W JI) kB/ Elm St.. South Dartmouth. Mass. (Cornell-Dubilier Electric Corp.) PICKARD. M. H. (M ) Pacific Coast Borax Co. Div. of Borax Consolidated. Ltd. 100 Park Ave.. New York 17. N. A. PICKETT, A. R. ( R I Aluminum Co. of America 1501 Alcoa Bldg.. Pittsburgh PC Pa. PIEPER. Arthur O. (M ) 105 Trevor Court Rd. Roche?ter 10. NE Y. ( Heain Industrial Ceramic Corp.) PIERCE GLASS CO. (J. G. Bozzo) Port Allegany. Pa. PIERCE. J. Allen (R) 798 Chalmers PL. Pittsburgh 16. Pa. (Harki- on-Walker Refractories Co.) PIER PONT. Harlan T,, Jr. (R) Norton Co.. 1 New Bond St. Worcester 6, Ma--. PIERSON. lames F. (Ml ) Pemco Corp.. Sales Dept. 5601 Ea-tern Ave.. Baltimore 24. Md. PIKE, Robert D. ( R ) Brook Fane. Greenwich, Conn (Consultant ) PILKIXGTOX. Lawrence H. A. Messrs. Pilkington Bros.. Ltd. Glass Works. St. Helens. England PILK ING TON 'S TILES SOUTH AFRICA (PTY.) LTD. (Ci. X Downing) Box 70 Mewrton. Tran-\ual, South \frica PIXCUS. Alexis G. (Gl 1061 Glenwood Blvd. Schenectady 8. X Y. (General Electric Co) PINNEY. J. M (W i Harker Potter\ Co. Ei-t I iwrpool. Ohio Rosthk (ID PINNOW, Harley R. (Wj POLAR, Alfredo (W) Pond St., R. R. 19 National Tile & Mfg. Co. East Liverpool, Ohio .. Anderson, lnd. (Hall China Co.) POLE, Gordon R. (BFI) PINOTT1, Fred D. (G.) 2592 S. Shore Blvd. 2324 Middlesex Dr., Toledo, Ohio White Bear Lake* 10, Minn. ^fljhfKimble Glass Co. ) (Minnesota Mining & Mfg. Co.) ^ ^ ^ L A , J. Donald (R) POLES. Alfred P. (W) ^ i^ ^ o rn in g Glass Works. Corning. X. Y. 325 Arborlea Ave., Morrisville, Pa. PITTEXGER. John T. <Wl (Clifton Ceramic Mfg. Co.) Box 207, Newell, W. Ya. POLHEMUS, D. W. (R) (Homer Laughlin China Co.) Carborundum Co.. Bristol, Pa. PITTMAN', Jack POLK. Arthur E. UV.l 3932 E. Mercer Way R. R 1, Dowagiae. Mich. Mercer Island. Wash. (Produce Terminal Corp i PITTMAN. William C. ( R) POL. SOX. John B. . 1119 Omena PL, Cincinnati 38, Ohio Box 148, Hartsville, S. C. (Chas. Taylor Sons Co.) POMEROY. William T. iW) PITTS, Joseph W. i E) Sterling China Co. National Bureau of Standards East Liverpool, Ohio Enameled Metal- Section 1*0X1). Marvin H (R) Washington 25. I). C. 224 Thornton St., Hamden 14, Conn. PITTSBURGH CORNING CORP. (01 in Industries, Inc.) (Walter D. Ford) Technical Dept. POOLE, Janies P. (0 > Port Allegany. Pa. Brockway Glass Co., Inc., Plant 2 PITTSBURGH PLATE GLASS CO. Brockwav, Pa. (S. F. Cox) Creighton, Pa. PORCELAIN METALS CORP. PIXLEY, David M. tGJ) <P. B. McBride) 1400 S. 13th St. Paris Rd., New Hartford, N. Y. Louisville 10. Kv. PIXLEY. Francis V. (S) PORST. Edward G. '(E l) - 358 Grand St., Newburgh, N. Y. 1418 Stonewood Rd., Baltimore 12. Md. ( Swindell- Dressier) (Pemco Corp.) PLACE, Tom M. (W I) PORTER. Frank R. (E FI) 6250 S. Fairfax Ave. ' 318 E. Clark St., Crown Point, lnd. Los Angeles 56, Calif. - ( inland Steel Co.) (Place Industrial Ceramics Corp.) PORTER, J. L. (B) TLACE, Thomas M., Jr. (W) Kaiser Aluminum & Chemical Corp. 7909 Alverstone Ave., Apt. 12 Box 1031, Baton Rouge, La. ,, Los Angeles 45, Calif. PORTER. Rudyard (E) . . (Place Industrial Ceramics Corp.) United States Steel Corp. ; ,,PLAGGE, Vernon L. (G) 208 S. LaSalle St.. Rm. 1655 , 489 Park Ave., East Orange, X. J. Chicago 90, 111. GV:*(W estinghouse Electric Corp.) PORTER, Sidney C. (R) NJE, Christian W. (RI) pladding, MeBean & Co. M5 Elliott Ave. W., Seattle 99, Wash. Box 34, East Liverpool, Ohio (Globe Brick Co.) PORTER. Wallace S. (W) Universal-Rundle Co., Box 188 Hondo. Texas NJE, Theodore J. M. (B) POSEY IRON WORKS, INC. 4 Summit Ave., Rolla, Mo. (Frank A. Fix) Lancaster, Pa. (Missouri School of Mines) PO SL l'SZNY, Raymond F. (R) PLANKENHORN, William J. (E l) 242 E. Methan Ave. 204 Ceramics Bldg. Philadelphia 19. Pa. University of Illinois, Urbana, 111. (Refractory Specialties Co.) PLEASANTS. Luther E., Jr. (G) POST, Benjamin F. (RI) 6002 Brookfield Rd., Richmond, Va. Cortland Grinding Wheels Corp. (Allied Chemical & Dye Corp.) Chester, Mass. PLOETZ, Edwin C. .H. (E) POST, Zarr A. (X) . 708 S. Lincoln Ave., Kankakee, 111. 5020 Elm St. (A. O. Smith Corp.) Bethesda, Washington 14, D. C. - PLUMBO, Victor A. <G) (Division of ACF Industries, Inc. General Glass Equipment Co. ACF Electronics) 5 S. Virginia Ave., Atlantic Citv, X.PJO. STE, Emerson P. (E FI) ; PLUMMER, Harry C. (SF) ' Structural Clav Products Institute 309 McCallie Ave. Chattanooga 3, Tenn. : 1520 18th St.. X. W. (Consultant) - Washington 6. D. C. POSTLEW AITE, Donald E. (W I) PLUMMER. J. H. (G) Box 973, Toledo 1, Ohio Universal-Rundle Corp., Box 300 Redlands, Calif. (Glass Fibers Inc.) POTTERS SUPPLY CO. PLLTMMER, Norman (M) P L ULBSNtaoaKwxteEre2Tn1GTc7ee,.o. lDoJKegixriacronaynsl., DS.urvey Mo. of Kansas (William W. Irwin) Erst Liverpool, Ohio POTTS, Amos P. (SF) 359 E. Main St., Logan, Ohio PLUNKETT, Richard G. <G) ILogan Clay Products Co.) 4494 Culver Rd., Sea Breeze. X. Y. (Bausch & Loitib Optical Co.) POITLLY, Marcel L. (W) 14902 Center Ave., Harvey, 111. PLUSCH, John A. (W) (Illinois Spray & Equipment Co.) 63 Spruce St., Westfield, Mass. (Cortland Grinding Wheels Corp.) POULOS. Nick E. (B) 1764 Flagler Ave. X. E., Atlanta, Ga. POFFEXBERG, Scott (M) (Georgia Institute of Technology) ^flHM1616 Chenault St. ^ L o s Angeles 49. Calif. POULTON. Robert F. (W) 2763 X. Congress Rd., Camden 4, N. J. ^ P S S O N , Louis (Universal-Rundle Corp.) Faencerie de Badonviller POUNDSTOXE. William W. (G) Badonviller, Meurthe et Moselle, France Pittsburgh Plate Glass Co. POLAND. Milton E. (I) 420 Ft. Duquesne Blvd. 523 S. Pleasant St.. Royal Oak, Mich. Pittsburgh 22. Pa. Vol. 33, No. 10 (1954) POWELL. John A. (W) 65 Kingwood Ave., Frenchtown. X. J. ( Frenchtown Porcelain Co.) POWELL. L. F. (Ml Old Hickory Clay Co., Box 271 Paducah. Ky. POWELL, O. E. (S) Indiana Drain Tile Co., Inc. Brooklyn, lnd. POWELL, Richard FI. (M) 1279 X. Main St.. Jamestown. X. Y. POWER, Henry R. (R I 1020 James Ave., Niagara Falls. N. Y. ( C onsultant) POWERS. Don W. 1201 Highland Ave., Abilene. Texa- I'OWERS, George H. (R) 80 Clairmont A\e.. We-tuood. X J. ( Norton Co.) P OYXOR , T. Wythe i Si Acme Brick Co.. Box 127S Oklahoma Citv. Okla. POZEESKY, l.eo (R) 1109 Boulevard. New Milford, X. J (Joseph Dixon Crucible Co.i PRACHAXKHADEE. Manoon Dept, of Science, Ministry of Industy Bangkok, Thailand PRATT, Donald S. (E) 3504 Sixth Ave., Beaver Falls. Pa. <Ingram-Richardson Mfg. Co.) PRECISION GRINDING W H EEL CO., INC. (Roland J. Clark) 8301 Torresdale Ave. Philadelphia 36. Pa. PRESCOTT. Frank R. (G) 1811 Kimball Ave.. Arnold, Pa. (Pittsburgh Plate Glass Co.) PRESCOTT, Mary Jane (D) 21 ?6 Sherwood Ave., Louisville. Ky. PRESTON, Frank W. (G) Preston Labs., Butler. Pa. TREWITT. J. K. (S) Elgin Standard Brick Mfg. Co. Elgin, Texas PREY, Arthur H. (M) Carborundum Co., Niagara Falls, X. Y. PRICE, Glen M. (R) General Refractories Co., Box 1673 Baltimore 3, Md. PRICE, James E. (R) 44 W. Guernsey Ave., Abington, Pa. (Simonds Abrasive Co.) PRIDDY, K. O. (S) Barium Reduction Corp. South Charleston 3. W. Va. PRIESTLEY, J. Edward Huntly Brick & Fireclay Co., Ltd. Box 14, Huntly}, New Zealand PRIMM, Herbert E. (R) 1658 Elevado Ave., Arcadia, Calif. (Harbison-Walker Refractories Co.) PRINCE, Alan T. (BI) Mines Branch, Ottawa, Ont., Canada PRIXDLE, William R. 354 Westgate W., Cambridge 39, Mass. PRIOR, Gordon M. (W) 229 Haven Ave., Scotch Plains, X. J. (Specialized Ceramics Corp.) PRIOR, Harold D. (MI) Box 47, Stanton, X. J. (Titanium Alloy Mfg. Diw, National Lead Co.) PROCTER & GAMBLE CO. I D. R. Byerly) M. A. & R. Bldg., Ivorydale 17, Ohio PROCTOR, W. J,, Jr. (B) Southern Clays, Inc., Gordon, Ga. PROKOPEC, Robert (G) 309 X. Tillotson Ave., Muncie, lnd. ( Balt Bros. Co., Inc.) PROMAT DIVISION, PO OR & CO. (A. E. Chester) 851 S. Market St. Waukegan, 111. PRYOR, Edward K. (R) 902 X. Acacia, Whittier, Calif. ( Pryor-Giggey Co.) Roster 71 S I i f I i ; i -PUCKETT, John P,, Jr. (G) RAMM, Eric ' Leeds & Aorthrup Co. H. L. Brisbane & Wunderlich Ltd. 4901 Stenton Ave.f Philadelphia 44, Pa. Lord St.. East Perth, West Australia PUERTO RICO RAMSDEX. C. E. CLAY PRODUCTS CORP. C. E. Kamsden & Co. Ltd. (F. Torres Campos) Box 4729 Foley Colour ^Chemical Work? San Juan. Puerto Rico Fenton. Stoke-on-Trent, England LASK1, Marie E. (\Y ) RAMTITE CO. (Louis J. Jacobs) 1222 E. 79;'n St.. Cie\eland 2. Ohio 2563 W. 18th St., Chicago 8, 111. (Clevite Brush Ee\elopment Co.) RANDALL, Theodore (D) PULLIAM, George R. Randall Potterv, Wellsville, X. Y. 4/4 Pammel Court. Amo. Ia. RANDOLPH. Hal E. (R) PLS, Josef Mexico Refratorie> Co., Mexico, Mu. `'Austria" United Enamel Work? RANDOLPH. Robert L.. Jr. ; Wilhelminenxtr. SO 1856 A r d m o r e Rd.. X. W. , Atlanta. Ga. Vienna XVI. Austria R A N K I N , James J. (M ) PUMPHREV, William I St. Joseph Lead Co.. Box 97 ' Murex Welding Processes Ltd. Monaca. Pa. Hertford Rd. RAXKIXE. Adam S. iR) Waltham Cro*>. Herts, England Martinsville, X. J. PUXTEY, L. E. (R li ( Tohns-Man\ ille Corp > . 8021 Titus Rd.. St. Louis 14, Mo. RAPP. Carl H. (W l) (Laclede-Christv Co.) Globe-Union. Inc., 900 E. Keefe Ave. PUPULIDY. Alexander (R) Milwaukee 1. Wise. 34-18 91st St.. Apt. A-41 RAPP. S. W.. Jr. IW) . . Jackson Heights 72. L. L, X. Y. Morton Pottery Co., Morton, 111. (Arabian American Oil Co.) RASE, Daniel E. . .".PURCELL. Burnette (S) 137 E. Park Ave., State College. Pa. N- Northwestern Terra Cotta Co. RASMUSSEN. R. K. (G) Y--' 1750 Wright wood Ave., Chicago 14. 111. Mississippi Glass Co.. Fullerton. Calif. V ^PURNELL, Hugh J. (R) RASMUSSEN. Wayland G. (S) K""*% 761 Loretta St., Pittsburgh 17, Pa. Ci (United States Steel Corp.) PYRO REFRACTORIES CO. (O. E. Miller) Box 466 .. Oak Hill, Ohio Mason City Brick & Tile Co. Mason City, Ia. RASSXER, Donald D. (W I) 224 E. Northview Ave., New Castle. Pa. (Universal-Rundle Co.) RATCLIFFE, Harry J. (Ml ^ O T C L E Y CO., INC. (R. J. Demaison) 527 Fifth Ave., New York 17, N. Y. ig jQ U IR K , John F. (W) 2235 Barrymore Ave., Columbus, Ohio ritrC. (Battelle Memorial Institute) ^fpQUIRK, Virgil P. (S) ` 'k" Old Hartford Rd., R. R. 2 Owensboro, Ky. (General Electric Co.) 724 Bunker Hill Ave., Trenton, X. J. (Unique Kilns of Trenton, Inc.) RATCLIFFE. Temple W. (R> 244 Buffalo St.. Beaver. Pa. (Babcock & Wilcox Co.) RATHMAXX, Clyde L. (G) R. R. 3, Corning. X. Y. (Corning Glass Works) RAUCH. Harry W. CG) 415 W. Hickory St. East Rochester, X. Y. (Pfaudler Co.) RAUSCHER. Louis G. (GJ) RABE, N. A. (W) 2374 Geneva Ave., Glenside, Pa. 10 W. Palmer Ave., Collingswood, N. J. (Philco Corp.) (Universal-Rundle Corp.) RAY. E. Harold (M) y .RADCZEWSKI, Otto-Ernst B. F. Drakenfeld & Co., Inc. C-: Institut fur Gesteinshuttenkunde Box 519, Washington, Pa. ; Mauerstrabe 5. Aachen. Germany RAY. John G. (G) RADIO MATERIALS CORP. Sylvania Electric Products. Inc. ^ (R. D. Bourgerie) Cottage Place, Minela, L. L. X. Y. 3325 N. California Ave., Chicago 18, 111. RAY. John M. - RAGATZ, Eugene C. (E) 938 Maple Ave., Zanesville. Ohio .y,' Allen-Bradley Co. RAY. Sushil ' 136 W. Greenfield Ave. 20-C, Southern Ave., Calcutta 26, India " * Milwaukee 4, Wise. ** RAGGON. Frank C. (G) :.VA7 4202 Bowen Rd., Toledo 13, Ohio (Owens-Illinois Glass Co.) RAIBLE, A. J. (W) vA John Douglas Co., Cincinnati 16, Ohio RAINE. Frank F. (RI) 111 E. Vine St., Mexico. Mo. v.` , (Mexico Refractories Co.) RAIXEAR. John F. (W) , 73 Sharon Ave., Hamburg, X. Y. (Buffalo Potterv, Inc.) RAIT, J. R. Research Dept.. Hadfields Ltd. East Heela Works, Sheffield 9, England RALSTON. O. C. (MF) 4333 Clagett Rd.. Hyattsville, Md. (U. S. Bureau of Mines) RALSTON, Thomas E. fM) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. REA. Robert F. (RI) Stupakoff Ceramic & Mfg. Co. Latrobe. Pa. REAGAN, Cornelius J. (S) 410 Center St., Rear Pittsburgh 21. Pa. (Van Ormer Brick Co.) REBCHOOK. Gregory V. (W l) Globe-Union Inc.. 900 E. Keefe Ave. Milwaukee 1. Wise. REDLICH. Paul L. (M) Rotospray Mfg. Co. 562 \Y. Washington Bivd. Chicago 5, 111. REED, Carl E. (G) 1410 E. Main St.. Lancaster. Ohio (Sharp-Schurtz Co.) REED. George Clifton. I ll 251 Tenth St., X. W. Apt. 48. Atlanta. Ga. Pittsburgh 22, Pa. m 'AM. Atma Central Glass & REED, Leonard (GJ) Rutgers University. Ceramics Dept. New Brunswick, X. J. Ceramic Research Institute REED. Norman D. (SJ1) P. O. Jadavpur College What Cheer Clay Products Co. Calcutta 32. India What Cheer, Ia. Voi.. N o. 10 (10.4) REED, Paul H. (R) 3l0l/ u Fairmont Ave., New Castle, 1'a. (New Castle Refractories Co.) REEVES, Harold (W) 343 E. Taggart St. East Palestine, Ohio (Fitzpatrick Industrie?. ) REFRACTORIES INSTITUTE. THE (Avery C. Newton) First National Bank Bldg. Pittsburgh 22, Pa. REFRACTORY & INSULATION CORP. (A. S. Arwine) Port Kennedv, Pa. RF.GENBRECHT. Albert. Jr (G) Sylvania Electric Product?. Inc. Burlington. la. REGOUT.'Joseph F. E. X. V. de Sphinx. Maastricht. Holland REID, Frank P. American Ceramic Society 4051 X. High St., b'olumbii's 14. (ihm REl I), Harr> I ., Jr. i M i McKav Co., Grantlev Rd., Y.rk, Pa. REILLY. Alfred F., S r' i \ Vi Evans Ca-e Co., 21 East St. North AttUiuro, Mass. REIMER, John J. (W I) Keystone Ceramic Corp. Bendersville. Pa. REIN, Peter (W) 626 Cornelia. Chicago. 111. (Chicago Potterv Co.) RANKER, Arthur G. (R) Johns-Manville Sales Corp. 1530 Guildhall Bldg. Cleveland 15, Ohio REINKER, Gerald E. (G) General Electric Co., Lamp Dept. 1133 E. 152nd St., Cleveland 12, Ohio REISCHEL, Frank (W) 2733 Mayflower, Arcadia. Calif. (Dilectron Inc.) REISING, Joseph A. (M) St. Joseph Lead Co.. Zinc Smelting Div, Monaca. Pa. REISS. Max S. (E) 406 X. Front St., Wheeling. W. Va. {Belltre Enamel Co.) REMDE. Harry E.. Jr. General Ceramics & Steatite Corp. Keasbew X. J. REMINGTON, Victor H. (G) B. F. Drakenfeld & Co., Inc. Box 519. Washington, Pa. REMMEY, G. Bickley (RE) Richard C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37, Pa. REMMEY. John G. (R) Richard C. Remmey Son Co. Hedley St. & Delaware River Philadelphia 37. Pa. REMMEY, RICHARD C., SON CO. (G. Bickley Remmey) Hedley St. & Delaware River Philadelphia 37, Pa. REMPES. Paul E., Jr. (I) 2B Cunningham St.. Duncan Knoll Chicopee Falls. Mass. RENFREW. J. Harvey (S) 31 Linden Park St.. Roxlmry 20. Ma-x. (Herman G. Protze) REXOUF. Leonard J. (R) 342 Church St.. Youngstown. X. Y. (Titanium Alloy Mfg. Div.. National Lead Co.) REXSKERS, Richard H. (W I) 85 Adelaide Ave., Highland Park. X. J American Radiator & Standard Sanitarv Corp ) REPUBLIC STEEL CORP. (Burton Longwell) 1425 Republic Bldg. Cleveland 1. Ohio RESER. Margie K. 977 Carlisle Ave.. Columbia 11. Ohio (American Ceramic Society) REUXIXG, Charles R. (RT) 35 Oslxtrne St.. Wellsville. N Y (Big Savage Refractories C orp' R oster REUNING, George \V., Jr. (RI) 35 Osborne St., Wellsville, N. Y. (Big Savage Refractories Corp.) REUSCHE, Frank L. (\V) 1459 Clinton Ave., Irvington 11, N. J. (L. Reusche & Co.) ^ T E R , Raymond (R) ^^^A fational Aluminate Corp. ^ P B 2 1 6 W. 66 PI., Chicago 38, 111. REYNOLDS, Harry M. (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, X. Y. RHODES, Frank R., Jr. Georgia Tech, Box 3141, Atlanta, Ga. RHODES, Fraser B. (W I) .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. (R FI) 1729 Powell St., Norristown, Pa. (E. J. Lavino & Co.) RHOTON, Donald G. (M) 18956 Devonshire Rd. , > Birmingham, Mich. ' (Peninsular Grinding Wheel Co ) RICCI, Edward Michael (R JI) -v B17 Main St., Dickson City, Pa. (Harbison-Walker Refractories Co.) RICE, Hal H. (W I) 17 W. 25 Oak Lane Dr., Oakdale Woods sT: Bensenville, 111. (Armour Research Foundation) RICE, Murray J. (B) 133 N. Main St., Alfred, N. Y. ; (New York State College of Ceramics) J i j E , William H. (B) ^ ^ ^K ien eral Electric Co. ^ J ^ G la s s 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 Cemuschi 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. (E FI) 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. (X I) 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 DELL, W. A., CO. (W. H. Merkel) American Clay Machinery Div. Bucyrus, Ohio RIDDLE, Frank H. (W FI) 14 Upland Rd., Colorado Springs. Colo. ( Champion Spark Plug Co., Ceramic Div.) Vol. 33, No. 10 (1954) 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. ROBERTSON, R. Kenneth (S) 101 St. Henri St. Laprairie, Que., Canada (Laprairie Co. Inc.) ROBERTSON, Randal K. (S) 906 University Tower Bldg. Montreal, Que., Canada (Laprairie Co. Inc.) R1EPER, Gerald ROBESON PROCESS CO. ('Asgeir Rus) 394 Pammel Court, Ames, la. 500 Fifth Ave., New York 36, X. Y. RIGBY, James E. (G) ROBILLARD, Harvey J. (R) Blue Ridge Glass Corp. Exolon Co., Tonawanda, N. Y. Kingsport, Tehri. ROBINSON CLAY PRODUCT CO. RIGTERINK, Merle D. (WF) (W. E. Robinson) Box 1070 Bell Telephone Labs. 65 W. State St., Akron 9, Ohio Murray Hill, N. J. ROBINSON, F. George (S) RIIS. 'Asgeir (M) Robeson Process Co. 500 Fifth Ave., New York 36, X. Y. RIKER, Leon W., Jr. (GJ) 203 W. California St., El Paso, RILEY, James H. (S) 125 E. Ninth St., Jacksonville 6, Fla. (Rowland Tompkins & Son, Inc.) 500 S. Santa Fe Dr., Denver, (Robinson Brick & Tile Co.) ROBINSON, Gilbert C. (S) Box 91, Clemson, S. C. Texas (Clemson ROBINSON, College) Louis G. (E) Louis G. Robinson Lahs. Box 761, Cincinnati 1, Ohio ROBINSON, Percy Burrill Colo. RILEY, Roger R. (R) Gladding, McBean & Co. Diamond Clay Co. Ltd. Hartshill, Stoke-on-Trent, England Pittsburg, Calif. ROBINSON, Philip W. (G) RIXDONE, Guy E. (G) R. R. 2, Box 539, Washington, Pa. Department of Ceramics (Arthur W. Schmid Co.) Pennsylvania State University ROBINSON, Phillip State College, Pa. 23 Pymble Ave. RISPLER, Z. W. Pymble, N.S.W., Australia Palestine Glass Works ' (Gallard & Robinson Pty. Ltd.) `'Phoenicia" Ltd., Box 168 ROBINSON, Richard E. (R) Haifa, Israel 315 S. High St., Zelienople, Pa. 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. I., 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 ) 815V2 Crestmoore PI., Venice, Calif. (L. H. Butcher Co.) (Johns-Manville Corp.) ROBINSON, Richard R. (SI) 2232 Parkway Blvd., Alliance, Ohio (Alliance Clay Product Co.) ROBINSON, W. E. (R) Robinson Clay Product Co. Box 1070, 65 W. State St. Akron 9, Ohio ROBSON, H. L. (G) 2 Water St., Lewiston, N. Y. (Mathieson Alkali Works, Inc.) ROBSON, James T. (M FI) 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) ROCHOW, W. F. (RF) Harbison-Walker Refractories Co. 1800 Farmers Bank Bldg. Pittsburgh 22, Pa. ROCKWELL, Robert E. (D) 4910 234th St., S. W. ROBBINS, Ross W., Jr. Edmonds, Wash. Kappa Psi Upsilon, Alfred, N. Y. (Sound Earthenwares) ROBERSON, Cletis L. (G) RODEFER, Howard H. (G) 350 Moull St., Newark, Ohio Rodefer-Gleason Glass Co. (Owens-Corning Fiberglas Co.) Box 550, Bellaire, Ohio ROBERTS, John Taggart (E l) 419 Park Blvd., Glen Ellyn, 111. RODGERS, Eben, Jr. (S) Alton Brick Co., Alton, 111. (Crane Co.) RODMAN, Clarence J. (E) ROBERTS, John W. (S) 3204 Hawthorne Ave., Richmond 22, Va. Box 809, Alliance, Ohio (Alliance Ware, Inc.) (Southern Lightweight Aggregate RODRIGUEZ, Alfonso F. (G) Corp.) Vidriera Monterrey, S. A. ROBERTS, Mervin Francis (S) Apartado 162, Monterrey, N. L., Mexico 116 Carpenter Ave. Crestwood, Tuckahoe 7, N. Y. RODRIGUEZ, A. R. (W I) 29 Pine St., Franklinville, N. Y. (Port of New York Authority) (Hi-Q Div., Aerovox Corp.) ROBERTSON, James A. (R) RODRIGUEZ. Eduardo (E) Box 1061, Newark, Calif. Cia Industrial del Norte (Westvaco Mineral Products Div.) Apartado 226, Saltillo, Coah., Mexico ROBERTSON, John M. (EJ) ROE, Lawrence A. (G) 3008 Rosedale Blvd.. Louisville 5, Ky. 1501 Vilas Ave., Madison 5, Wise. (American Radiator & (Bjorksten Research Labs., Inc.) Standard Sanitary Corp.) ROE, Richard F. (W) ROBERTSON, Leon F. (G) Porcelain Products Inc. Brockway Glass Co., Inc., Brockway, Pa. Parkersburg. W. Va. R oster 75 > ROFF, W. Wallace (M) 14 Glenside Dr.. West Orange, X. J. (Whittaker, Clark & Daniels, Inc.) ROGATZ, Alvin (B) Zenith Radio Corp. 6001 Dickens Ave., Chicago 39. 111. GERS. Edwin J. (WI) Kcintilla Magneto Div. Pbendix Aviation Corp., Sidney. X. V. GERS, Gregory L. (R) 9500 S. Xorwalk Blvd. Los Nietos. Calif. (Pacific Clay Products) ROGERS. Melvin F. (RI) 55 Goff St.. Corning, X*. V. (Corning Glass Works) ROGERS, Thomas S. (M) 3720 Windom PI., X. W. Washington, D. C. (Rogers & Sons) ROGERS, Virgil L. iS) Hebron Brick Co., Hebron, XX D. - ROGERS, William R. (R) . Carborundum Co. ' Refractories Div.. Niagara Falls, X. Y. -ROLKE, Herbert J. (I) . . Sociedade de Engenharia Industrial Rua Marconi, 23.8 andar Sao Paulo, Brazil ROLLMANX, Peter (J) Emmalaan 11, Baarn, Netherlands -U-- (Anker Emaill Fabrieken XXV.) ;|LROONEY, Thomas E., I l l (R) Empire Fire Brick Co. XtlXj 219 Murrav, Fort Wayne^Ind. :X ROOT, H. Dean (W I) X Westinghouse Electric & Mfg. Co. K-80, Materials Engineering Dept. ySfc-X. East Pittsburgh, Pa. 7|>gROOT, Lawrence L. (W) XX5i ' . Stanford Pottery Inc. ' 40 S. 15th St., Sebring, Ohio li^ROQUES, Rodney A. (W ) University of Texas X ^g ^^A u stin 12, Texas ^ ^ B E , Ralph (RI) E. J. Lavino & Co. Box 29, Norristown, Pa. , ; ROSENTHAL. E. K. (W) V ' 234 Napoleon St. - Playa Del Rev, Calif. . (Metlox Mfg. Co.) ' .ROSENTHAL. Ernst 7 " 246 Park West. Marble Arch London W. 2, England (Consultant) ~; ROSENWINKEL, George O. (R) North American Refractories v 59 E. Van Buren. Chicago, III. ROSEVILLE POTTERY, INC. . (Robert P. Windisch) Zanesville. Ohio y- ROSHOXG, Robert L. (R) X Steel & Tube Div., Library 7 X Timken Roller Bearing Co. XX Canton 6, Ohio xf ROSICLARE LEAD & X'X FLUORSPAR MINING CO. (Arthur H. Cronk) Box 49. Rosiclare. 111. ROSLLXXD. J. A. (R) Globe Brick Co.. East Liverpool. Ohio ROSS. Donald W. (RF1) 5929A Oakhurst PL. St. Louis 12. Mo. (Consultant ) ROSS. Howard. II (EJ) 3410 Archwood Ave., Cleveland Q. Ohio (Ferro Corp.) ROSS. Paul F. (RI) 320 Constitution Ave., Hellertown, Pa. \ (Bethlehem Steel Co.) V ROSS-TACONY CRUCIBLE CO. , . (A. M. Johnson) : Tacony. Philadelphia 35, Pa. ;^ ^ ^ B S S . Victoria Avakian (D) 537 Country Club Rd., Eugene. Ore. (Universitv of Oregon) ROTH. Harper D. <M> East River Rd.. Grand Island. N. Y. Vol(.H3a3rp. eNr oE.lec1t0ric( 1F0u5rn4a)ce Corp.) ROTHERMEL, Joseph J. (G> Corning Glass Works. Research Lab. Corning. NX Y. ROTH WELL, William S. (C.t Corning Glass Works Research & Devejopmem Div. Corning. NX Y. ROUDABUSH, Ned W. (R) 311 Candlewood Rd.. Broomall, Pa. (General Refractories Co.) ROUGH. Robert R. (G) Owens-Illinois Glass Co. Technical Center 1700 XX Westwood Ave.. Toledo 7, Ohio ROUP. Rolland (W EI) Globe-Union Inc. 900 E. Keefe Ave. Milwaukee 1. Wise. ROUS, William C.. Jr. (BI) r( L. L. Land. Box 667 Merkel, Texa> . ROVAXI, Tedd (X) Evans Case Co. 21 East St.. North Att1elx*ro. ROWLAND. Davidge H. (W l) Porcelain Insulator Corp.. Lima, N. Y. ROWLAND, Donald A. (D) * 622 S. Morton St., Okmulgee, Okla. (Oklahoma A & M College) ROWLAND, R. W. (W ) New Castle Refractories Co. New Castle, Pa. ROWLAND, Richards A. (B) Exploration & Production Res. Div. Shell Development Co. 3737 Bellaire Blvd., Houston 25, Texas ROWLAND, Roger W. (MF) New Castle Refractories Co. New Castle, Pa. ROWLANDS, Robert R. (W I) Universal-Rundle Corp. Box 960. New Castle, Pa. ROY, H. XX Indian Ceramic Society Dept, of Ceramics, Benares Hindu Univ. Benares, India ROY, Rustum (B'> Pennsylvania State University 221 Mineral Sciences Bldg. State College. Pa. ROYAL CHINA, INC. (B. L. Miller) Sebring, Ohio ROYAL. Herbert F. (WF) 845 Pilgrim Rd.. Birmingham, Mich. (Champion Spark Plug Co.) RUARK, A. E. (G) Dept, of Physics University of Alabama. University. Ala. RUDD, Richard D. (M) Carborundum Co. 3335 W. 47th St.. Chicago 32, 111. RUDOLF, Paul E. Stoneware Factory Embrach, Ltd. Embrach (Zurich). Switzerland RUETTINGER. T. O. (S) Flat Rock Clay Product Co. 26280 Arsenal Rd.. Flat Rock, Mich. RUGG. Ormund I. (G) 13615 Meyers Rd., Detroit 27, Mich. (Ford Motor Co.) RUGH. Kenneth A. (R) Garfield Refractories Co. Bolivar. Pa. RUH. Edwin 1012 Vermont Ave., Apt. 2 Pittsburgh 34, Pa. RUH, Robert 194 Willow Ave. Ext. North Plainfield, XX J. RUIZ. Jorge Martin (R) Amerex Ingenieros. S. A. ('ante 7, Mexico 1. D. F. RUIZ. Robert A. (R) 114 W. Home St.. Vandalia, Mo. (Walsh Refractories Corp.) RULOXX Richard M. (G) Sylvania Electric Products. Inc. 60 Boston St.. Salem. Mass. RUSHMORE. Murray. Jr. (W ) Moore & Munger 33 Rector St.. New York 6. NX Y. RUSO, Felipe B. Galiano luu. Habana. Cuba (General Glass Equipment Co.) RUSOFF, Samuel (Ri 181 S. Monroe St.. Tiffin, Ohio (Basic Refractories Inc.) RUSSELL. Charles K. (XJ) 5796 Access Rd.. Dayton 3, Ohio (Wright-Patter;>on A.F.B.) RL'SSELL. George A.. Jr. 58 NX Freeman Rd. Orchard Park. NX Y RUSSELL, Graden J. (E l > Fletcher. XX C. RUSSELL. Howard F. (E) 3118 Woodworth PI.. Hazelcrest, 111. I lnger>oll Products Div.. Borg-Warner Corp.) RUSSELL. Lewis E. Graduate House. Mass. Inst, of Tech. Cambridge 3. Mass. RUSSELL, Norman Keith |R I) St. Davids Park Apts. St. Davids, Pa. (Norton Co.) RUSSELL. Ralston. Jr. (XFI) Dept, of Ceramic Engineering 126 Lord Hall, Ohio State University Columbus 10. Ohio RUSSELL, Robert G. <G> R. R. 2, Granville, Ohio (Owens-Corning Fiberglas Corp.) RUSTLESS IRON CO., LTD. (H. Whitaker) Trico Works Keighley, England RYAN, D. Edward Curran Engineering, Ltd. Cardiff, Wales RYAN. Joseph D. (G) 3018 Middlesex Dr.. Toledo 6, Ohio ( Libbey-Owens-Ford Glass Co.) RYCKMAN, David A., Sr. (W) Bioomville. Ohio ( Technician) RYDER. John W. (D) 2475 NX W. Overton St. Portland 10, Ore. (Jefferson High School) RYDER, Robert J. 137 E. Park Ave., State College, Pa. RYER, Chester M. Box 449. Mattapoisett. Mass. RYLAND. H. W. (Wl Coors Porcelain Co. 600 Ninth St.. Golden, Colo. RYNDERS. Gerald F. (B) National Bureau of Standards Div. 9.7, Washington 25, D. C. RYSHKEWITCH, Eugene (R) Kearfott Co.. Inc., Little Falls, NX J. s SAD A, Patricio (E) Troqueles & Esnialtes S. A. Apartado Postal 371 Monterrey X. L., Mexico SADOWSKI. J. Richard (WJ1) 714 Fifth Ave. (Rear), Ford City. Pa (Eljer Co.) SAIBEL, Edward (G) Carnegie Inst, of Tech. Schenley Park, Pittsburgh 13. Pa. SALINAS, Mario |G) Montes Carpatos 625 Mexico 10. D. F.. Mexico (Vidriera Mexico. S.A.) SALISBURY. William R. (W) Lyndon Rd.. Fayetteville, NX Y. (Onondaga Pottery) SALOMON, Allen XX (W) 103 Village Dr.. Apt. 112 Syracuse. N. Y. (General Electric Co.) R oster 77 U.TMAN. Donald (\V) 1831 E. Second St. Long Beach 2. Calif. (North American Aviation, Inc.) Frederick C. (R) Refractories Co. id ^ F r u itla n d Ave. Los Angeles 58, Calif. SAMPSON, J. Leonard i G ) Mahoning Glass Works General Electric Co., 405 X. Main S: Niles, Ohio SAMSON, A William <G> B. F. Drakeniek! & Co. Inc. Box 519, Washington. Pa. SAMUEL. Donald G. (R) 811 Buttonwood St.. Norristown. Pa. (E. J. Lavino & Co.) SANBORN'. Paul H. i\V) 2514-- 23rd St.. Parkersburg, W. Ya SAND, Renken i\Vi .- 8 N. Blount St.. Madison 3, Wise. (Cfcramic Arts Studio) SANDERS, Clyde A. i\V) .`American Colloid Co. .1 Merchandise Mart, Suite 813 ''Chicago 54. Ul SANDERS. Herbert H. (D) > -;17926 Daves Ave.. Los Gatos, Calif. Af'(San Tose State College) P N D E R SO N . K. W. l.^CJohn G. Stein & Company, Ltd. feie Bonnvbridge, Scotland . /$ANDFORD. Per Johan Foik'e " ^^^-rChaliners Tekn, Hogskola Goteberg. Sweden ^PfD M EY ER , Karl H. (R) ;^ t 9 0 8 --87th St., Niagara Falls, N. Y. (Carborundum Co.) CrSiANDS, George ;^:V. Imperial Smelting Corp. Avontnouth, Bristol, England ` '" " 70R D , Elbert A. (E) 75 Oakridge Dr., Rochester 17, X. Y. TPfaudler Co.) SAN MIGUEL BREWERY I GLASS FACTORY (A. ViHa-AbrilJe) | | 132 Aviles. Manila, Philippines SA N T, John \V. CM) Universal-Rundle Corp. . New Castle, Pa. -SANTOMIERI. S- Lewis (RI) Box 8, Botkins, Ohio . (Botkins Engineering) . SARAKAUSKAS. Raymond (R) k National Carbon Research Labs. CNl Box 6087, Cleveland, Ohio yiCSUREN, Sarian Box 1-9. Alfred, N. Y. C^SARRAF, Edward M. (R) -;y 20001 Laurel Ave. Rocky River 16 Ohio (H ?rbton-Walker Refractories Co.) y.SAUERETSEN, C. Fred (R) Sauereisen Cements Co. - Sharpsburg Sta., Pittsburgh IS, Pa. SAULS, J. B. (M I) Funkhouser Co., Hagerstown, Md. SAUNDERS, Alfred C. (RI) 90 Center St.. Hamburg, N. Y. (Electro Refractories & Abrasives Corp.) SAUNDERS, Hollis S. (E) O. Hommel Co.. Box 475 Pittsburgh 30, Pa. SAUNDERS, R. H. (S) Box 349, Charleston 22, W. Va. (Charleston Clav Products Co.) SAVELL. Fred H. (M) ^ 1901 E. Slauson Ave. Los Angeles 58, Calif. W (Western Talc Co.) SAVIOLI. Francesco Istituto Siderurgico Finsider Villa Brignole-Corso F. M.. Perrone. 24 Genova-Cornigliano (Italia) SAW AL lkutaro Kyoto University, Kyoto, Japan Vol. No. 10 (1954) SAWYER, E. C. (M) SCHNEIDER, Matthew P., Jr. (S) Central Silica Co., 806 Maiket St. 2931 William Tell St., Slidell, La. Zanesville, Ohio (St. Joe Brick Works, Inc.) SAXE, Charles W. (R) SCHNEIDER, 2nd Lt. Robert K. (I) 1 Wawecus Rd., Worcester 5. Mass. 3401st Std. Sqdn., Box 1449 SAXONBURG CERAMICS Keesler Air Force Base, Biloxi, Miss. (George H. Aderhold) Box 1CO SCHOEMAKER, Clifford P. (R) Saxonburg, Pa. Laclede-Christy Co., SCALES, John B. (E l) 2000 Hampton Ave., St. Louis 10, Mo. 456 Lynn Rd.. Berea, Ohio SCHOEXTXGER, Irvin W. (BI) (National Carbon Research Lab.) 5250 X. Shoreland Ave. SCHAA, Ferdinand A.,, Jr. (W J) Milwaukee 17, Wise. 84 Paumanake Ave., Babylon. X. Y. (Globe-Union Inc.) (SGvania Electric Products Inc.) SCHOEXLAUB, Robert A. (R) SCHABACKER, H. Eric (E) 3470 E. Fifth Ave.. Columbus 19, Ohio Erie Ceramic Arts Co (Harrop Ceramic Service Co.) 423 \\ . 12th St.. Erie. Pa. SCHOEPPEL, Xorman (RI) SCHAEFER. Carl F. (W) 10 Elm Tree Dr., Mexico, Mo. 527 Sheffield Ave., Flint, Mich. (A. P. Green Fire Brick Co.) (A. C. Spark Plug Div. SCHOFIELD, H. Zane (W FI) General Motors Corp.) 894 Chambers Rd.. Columbus 12, Ohio SCHAEFER. William H. (RJ) (Battelie Memorial Institute) 5331 Beeler St., Pittsburgh 17, Pa. SCHOLES, Addison B. (G) (U. S. Steel Corp.) 825 Lexington Ave., Warren, Pa. SCHAEFLE, Max (Svlvania Electric Products, Inc.) Thavngen/SH, Switzerland SCHOLES, S. R. (GF) (Tonwerke Thavngen A. G.) Box 752, Alfred, N. Y. SHATZKIN, Harvey (W) (New York State College of Ceramics) Architectural Tiling Co. Inc. SCHOLS, Leon V.F.M. Cass/Jackson Sts., Keyport. X. J. Graaf Van Waldeckstraat 33, SCHAUSS, Edward P. (G) Maastricht, Holland 2324 108th St., Toledo, Ohio (E. Regout) (Owens-Illinois Glass Co.) SCHOONEXBERG, P. J. SCHELBY, Frederick (G) e/c Bibliotheekcentrale Coming Glass Works, Corning, X. Y. N. V. Philips' Gloeilampenfabrieken SCHELL, Donald C. (E) Eindhoven, Holland 2227 S. Gunderson, Berwyn, III. SCHOTSMAN. J. (Armour Research Foundation) Kruisstraat 31 SCHIEFFERLE, James A. (E) Dieren, Netherlands 4501 Station Rd., Ashfield Acres (N.V. Emailleerfabriek "de IJsel") Louisville 2, Ky. SCHOTTLAND, A. H. (G) (General Electric Co.) Standard Bent Glass Co., Butler, Pa. SCHIENE, Quentin J. (RJ) SCHOTTS, Walter H. (MI) 7715 S. Shore Dr., Chicago 49, 111. 23 E, Southington Ave. (V. S. Steel Corp.) Worthington, Ohio SCHIFFERLI, Leo M., Jr. (R) (Harrop Ceramic Service Co.) Haynes Stellite Co., Box 746 SCHRADER, David M. (R) Kokomo, Ind. 742 Rotch Ave., Massillon, Ohio SCHLACKS, Richard J. (GI) (Republic Steel Corp.) 4519 S. Wigger, Marion, Ind. SCHRAMM. Edward (W F) (Radio Corp. of America) Onondaga Pottery Co. SCHLEGEL, Roland F. Rua Xavier de Toledo, 266-Sala 41 Sao Paulo, Brazil (Duresmalt, Industria & Comerci Ltda.) Syracuse 4. N. Y. SCHRECKEXGOST, Don (D F) 2617 St. Clair Ave. East Liverpool, Ohio (Homer Laughlin China Co.) 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 Ave. Pittsburgh 22, Pa. SCHMID, Robert L., Jr. (R) 9 Palmers Lane Wallingford, Delaware County. Pa. (Aluminum Co. of America) SCHRECKEXGOST, 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. 218 Madeira Ave., Dayton 4. Ohio SCHUETZE, Ervin W. (R) 1310 E. Promenade St.; "Mexico. Mo. SCHMIDT, Beuther L. (R) Anchor Hocking Glass Corp. Lancaster, Ohio (A. P. Green Fire Brick Co.) SCHUH, Arthur E. (R) United States Pipe & Foundry Co. SCHMIDT, William G. (S) Ceramic Div., General Electric Burlington, N. J. SCHULHOF, Andres Research Lab., The Knolls Lozadur, Grandes, Fabricas Schenectady, N. Y. Argentinas de Ceramica, S. A. SCHMUNK, Louis (W) 70 Dunedin Dr. Boulogn, F.C.N.G.B. Buenos Aires, Argentina Toronto 18, Ont., Canada SCHULTZ, James B. (GI) ' ' (Standard Sanitary & 591 Minnesota Ave., Buffalo, N. Y. Dominion Radiator, Ltd.) (National Gypsum Research Center) SCHNEIDER, LaVoy H. fE) SCHULTZ. John, Jr. (E J) 4512 Swallow Rd.. Louisville 13, Ky. Battelie Memorial Institute (General Electric Co.) 505 King Ave., Columbus I, Ohio R oster 79 F f ! ? * t * i 1 i ! i SCHULZ, Eugene G., Jr. 930 Grand Concourse, Bronx 56, N. V. SCHUMACHER. William G. (E) 5956 N. Glenwood Ave. Chicago 40. 111. (National Cylinder Gas Co.) SECHT, H. G. (SFI) ampion Spark Plug Co. 25 Butler Ave., Detroit 11, Mich. SITZ. D. D. (GF) Sharp-Schurtz Co., Lancaster, Ohio SCHWAB, Leon B. (R) 214 E. Home St., Vandalia, Mo. (Harbi?on-Walker Refractories Co.) SCHWALBE. F. G. (GFI ) 1306 Craigwood Rd., Toledo 12, Ohio (Toledo Engineering Co., Inc.) SCHWARTZ. Bernard (BI) 35 Dogwood Dr., Bradford Hills. R.R.2 Downington. Pa. (Burrough> Corp. ) SCHWARTZ. Harold A., Sr. (M ) 2028 Horace Ave., Abington, Pa. (Simonds Abrasive Co.) SCHWARTZ. M. A. (BI) WCRRL. Aeronautical Research Lab. W.A.D.C. Wright-Patterson AFB, Ohio SCHWARTZWALDER. Karl (W FI) . A C Spark Plug Div., General Motors Corp. "r Flint 2, Mich. i SCHW EICK HAR DT, William K. (R) U - 101 Fern- St., St. Louis 7, Mo. . : (Walsh Refractories Corp.}--' SCHW EITZER. Howard V. (M) . " Schweitzer Equipment Co. 3764 Ridge Rd., Cleveland 9, Ohio i SCHWEKKLER. Theresa A. (G) V 979 Grove S t. Elmira, N. Y. ' (Corning Glass Works) . - SCHWIETE. Hans-Ernst Institut fur Gesteinshuttenkunde Aachen. Mauerstrabe 5, Germany OTT, J. W. (W) ' Western Electric Co. Inc. 7640 Hawthorne Station - Chicago 23, 111. - SCOTT, Murray R. (GFI) : Bausch & Lomb Optical Co. 635 St. Paul St.. Rochester 2, X. Y. SCOTT, Robert M. (RJ) - 95 Lake Ave., Apt. 2 Worcester. Mass. (Norton Co.) SCOTT, Roger F. (GI) 911 E. Main St., Millville, N. J. (Armstrong Cork Co.) SCOTT, W. J. (W) Western Electric Co. Inc. 2525 Shadeland Ave. Indianapolis 6, Ind. SCOTT, William D. 7707 Water St., Olmstead Falls, Ohio ' SEABRIGHT, Clarence A. Harshaw */ Coiffe S. A. Boite Postale No. 208 Limoges (Haute V* Vienne) France SEABRIGHT, Edward C. (E ) 171 Beuland. Mt. Clemens, Mich. (Philco Corp., Range Div.) SEAXOR, J. G. (S) 2300 W. Tuscarawas St. Canton 8. Ohio (Bonnot Co.) SEARLE. Alfred B. 62. Moorcliffe, Skircoat Moor Rd. Halifax, York, England (Consultant 1 SEARSOX. Leslie James Oakes & Co. (Riddings) Ltd. Jacksdale, Notts, England SEATON, Max Y. (R F) Food Machinery & Chemical Corp. 161 E. 42nd St., New York 17, N. Y. SEAWELL. Joe. Jr. (S) Miller Equipment Co., Inc. YolB. o3x3,15N66o. .S1al0isb(u1r9y5, 4N). C. " SECKMAX, Harry D. (W I) 131 E. Riverside, Peru, Ind. (Square D Co.) SE.CORD, Robert X. (W ) Godfrey L. Cabot, Inc. Research & Development Dept. 58 Memorial Dr., Cambridge, Mass. SEDALIA, B. M. Titanium Alloy Mfg. Div.. National Lead Co., Res. Lab. Box C, Bridge Station Niagara Falls, X. Y. SEDEXKA, Anthony (E) 1086 Magnolia >Dr., Colonial Height* Washington, Pa. ( B. F. Drakenfeld & Co., Inc.) SEELEY, E. L. |W ) 800 Lotus Ave., Chester, W. Ya. (Harker Potterv Co.) SEEMANN. Wilhelm Pipersgatan 3, Stockholm. Sweden SEGELER. C. G. (M! American Gas Assn., 420 Lexington Ave. New York 17, X. Y. SEIDEL, Joseph (W ) 1061/ a S. Sweetzer Ave. Los Angeles 48, Calif. SEIPEL, Robert B. (G) Blue Ridge Glass Corp. Kingsport, Tenn. SEITZ, Wolfram (G) Glass Containers Inc. 3601 Santa Fe Ave. Los Angeles 58, Calif. SELLERS, George A. (R) 315 E. Crescent Ave., Elmhurst. III. (Plibrico Co.) SELLERS, John T. (RI) 109 Church St., Jackson, Ohio (Pyro Refractories Co.) SEMMELMAX, John O. (GI) Dentists Supply Co. of New York College & Grantlev Ave., York, Pa. SEMPLE, William A. (R) Aluminum Co. of Canada, Ltd. Chemicals Div., 1700 Sun Life Bldg. Montreal, Que., Canada SENK, Johann Vienna XVII Dombacherstr. 29, Austria (Radio Fabrik IngelenPorzellan Fabrik) SEXTERS, Walter J. (R) Washington Brick & Lime Co. Spokane, Wash. SEPHTOX, H. J. (G) Dominion Glass Co. Ltd. Chappie St., Hamilton, Ont., Canada SERVIS, Donald H. (W) Robertson Mfg. Co., Box 848 Trenton 5, X. J. SETCHEL, Hayden Merritt <G ) 105 Tenth St., Streator, 111. (Owens-Illinois) SEYERIX, Harold Box 787, Alfred, X. Y. SEVERSIKE, Carroll L. (E) 84 Sutherland Rd., Apt. 10 Brighton. Mass. (Sylvania Electric Products. Inc.) SEYMOUR, Samuel L. (G) 125 Reed St.. New Kensington. Pa. ( Pittsburgh Plate Glass Co. ) SHAFFER, E. F. (G) Ohio Power Co.. Newark, Ohio SHAFFER, Paul C (G) 85 Chapel St., Seneca Falls, X. Y. (Sylvania Electric Products, Inc.) SHAH, Chunilal P. Bombay Potteries & Tiles Ltd. United India Bldg. Sir Pherozshaw Mehta Rd. Fort Bombay, India SHALEK, Peter D. 132 X. East Ave., Oak Park, 111. SHAND. Errol B. <G) 155 Reynolds Ave.. Corning. X. Y. (Corning Glass Works) SHAND, Rodger L. (E) 4155 Dupuis Ave. Apt. 15 Montreal 26, Que., Canada (Ferro Enamels (Canada) Ltd.) SHAXDS, Everett H. (E) Florida Ceramic Tile Co.. Box 451 Lakeland, Fla. SHAXER, Herbert J. (R) Ramtite Co., 2563 W. 18th St. Chicago 8, 111. SHANKS, Douglas Shanks & Co. Ltd.. Victorian Pottery Barrhead, Near Glasgow, Scotland SHANNON, Harry F. eE) United States Steel Corp., Rm. 2414 525 William Penn PI. Pittsburgh 30. Pa. SHAPIRO. Howard (B JI) 1410 East Ave., New York 62, X. Y. (Ward Leonard Electric Co.) SHAPLAXD. James T. ( XJ > 2030 Waggoner Ave., Evansville. Ind. (International Harvester Co.) SHARDLOW. L. Russel (W I) RCA Victor Div. Radio Corp. of America Harrison, X. J. SHARP, Donald E. (GF) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio SHARP, E. W. (RI) 62 X. High St., Jackson. Ohio (Pvro Refractories Co.) SHARTSIS, Leo (G) 4514 W. Virginia Ave. Bethesda 14, Md. (National Bureau of Standards) SHAVER, Richard C. (R) 317 Bear St., Syracuse 8, X. Y. (Cowles Chemical Co.) SHAVER, W. W. (G) 130 E. Fourth St., Corning, N. Y. (Corning Glass Works) SHAW, Anthony E. (S) Xatco Corp., 327 Fifth Ave. Pittsburgh 22, Pa. SHAW, Clarence F. (W I) 2240 X. Manning S t, Burbank, Calif. (Gladding. McBean & Co.) SHAW, L. I. (X I) Club DelMar. Santa Monica. Calif. (Consultant) SHAW, Myril C. (M FI) 553 Gates St., Philadelphia 28, Pa. (Asbestos Textile Institute) SHAW. Ronald H. (S) L. E. Shaw Ltd.. 74 Bedford Row Halifax, X. S., Canada SHAYXA. Michael (WJ> Medicine Hat Potteries Medicine Hat, Alta., Canada SHEARER, Walter L. (R) 15 Muirhead Ave., Trenton 3. X. J. (Rouse & Shearer) SHEARER, Wayne B. (R J) 116 W. King St.. Malvern, Pa. (Foote Mineral Co.) SHEAROUSE, Lee A. (W ) 326 Highland Ave., Wadsworth. Ohio (Ohio Brass Co.) SHEEHAN, Robert W. (MJ) Ceramic Supply Co., Crooksville, Ohio SHEERER. Mary G. (D F) 6540 Hamilton Ave., College Hill Cincinnati. Ohio SHEETS, Herbert D. (R I) 41 Marlowe Ave., Buffalo 19, X. Y. (Electro Refractories & Abrasi\e$ Co.) SHELDON. R. S. (E) 4224 LeFevre Dr., Dayton 9. Ohio (Frigidaire Div., Genera) Motors Corp.) SHELL. Haskiel R. (B) U. S. Bureau of Mines Electrotechnical Laboratory Pine Road, Norris, Tenn. SHELLEY, C. B. (RI) General Refractories Co. 1520 Locust St., Philadelphia 2, Pa. R oster SI SHELTON, G. R. (W F) 6614 Delfield St.. Chevy Chase 15, Md. (National Bureau of Standards) SHELTON, Philo S., Jr. 130 Burr St., Fairfield, Conn. SHENANDOAH SILICA CO., INC. (Herreld D. Thropp) 333 W. State St.. Trenton 8, N. 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. (E l) Shepherd Chemical Co. Norwood, Cincinnati 12, Ohio SHERK, Donald (R) 218 Dalton Dr.. Tonawanda T\vp.t X. V. (Johns-Manville Corp.) SHERRILL. Robert R. (E l) 425 Canyon Dr.. Glendale 6, Calif. - (Bulwark Corp.) SHERWOOD. Robert F. (W FI) 10041. a Harrison St., Syracuse 10, X. V. (Consultant ) SHEVLIN, Thomas S. (R I) Engineering Experiment Station . Ohio State University - Columbus 10, Ohio SHIELD, Richard . *' University of Texas .'ri;- ' C. P. Hall, Rm. 107, Austin, Texas SHIMADA, Hachiro Shimada Glass Laboratory : No. 2867, 1-Chme, Santjo - U J <' Ota-ku, Tokyo, Japan . y SHIMADA, Kuro ;-}y Shimada Glass K.K. . ^ ' No. 47 Shimo-3-Chome, Ebie Fukushima-Ku, Osaka, Japan r ;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.) - SHINN, Joseph M., Jr. (R) * 2350 Glenmawr Ave., Columbus 2, Ohio (Battelle Memorial Institute) . SHIPLEY, R. A. (S) Natco Corp., 327 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. SHOFFXER, James E., Jr. . ' 1215 E. 64th St., Seattle 5, Wash. SHOXKWILER, Francis P. (RI) 10436 S. Hamlin Ave., Chicago 43. 111. (Harbison-Walker Refractories Co.) SHOOK, Thurston W. (X) 2353 Cambridge Blvd. Columbus 21. Ohio (Harrop Ceramic Service Co.) SHOOK. William B. (I) 434 Chatham Rd., Columbus 14. Ohio SHOOT. Lyle E. (XT) 7064 Eastern Ave. Washington 12. D. C. (Diamond Ordnance Fuze Lab.* SHOPHER. Sterling D. (RI) 415 E. Monroe. Mexico, Mo. (Mexico Refractories Co.) SHORTER. A. J. Bonnybridge Silica & Fireclay Co. Ltd. Bonnvbridge. Stirling, Scotland HUBERT, E. R. Frank (S) Medicine Hat Brick & Tile Co. Medicine Hat. Alta., Canada SHIT.ZE. Charles E. ( f ) SO<> E Sixth St.. Rolla. Mo Vol. 33, N o. 10 (,19.34) SHUMAN, Albert (G) Box 417, Mt. Kisco, N. Y. (Polarizing Instrument Co.) SIDWELL, John L. (M) H. C. Spinks Clay Co., Inc. 1000 First National Bank Bldg. Cincinnati 2, Ohio SIEFERT, A. C. (G) Owens-Coming Fiberglas Corp. Newark, Ohio SIEGR1ST, Paul F. (W) Erie Resistor Corp., 644 W. 12th St. Erie, Pa. SIEGWALD, Civile R. (WI.l 816 Quinby Ave.. Wooster. Ohio (Robim-on Clav Products Co.* S1EYERT, Guitio E. (R) 833 Oregon Ave., San Mateo, Calif. (G.adding. McBean & Co. I SIGWART, Harry J. (G) 7.'2 Beechur:-! Ave. Morgantown, W. Ya. {Seneca Glass Co.) SILK. Karl Messrs. Jury Holloware Ltd. Brierley Hill, Staffs, England SILVA. Alfonso Refractarios "Lota Green'' S. A. Casilla 145-V, Valparaiso, Chile SILVERMAN, Alexander (GFI) University of Pittsburgh 2525 Cathedral of Learning Pittsburgh 13, Pa. SILVERMAN, William B. (GFI) Owens-Illinois Glass Co. 1700 Westwood Ave., Toledo 1, Ohio SIMAVILLA, Juan M. Cristaleras Rigolieau S. A. Berazatequi, F.C.N.G.R. Buenos Aires, Argentina SIMCOCK, H. J. "Cranford," Lovatt Ave. Milehouse. Newcastle Stafford, England (A. G. Hackney & Co. Ltd.) SIMISON, A. L. (GI) Owens-Coming Fiberglas Corp. Toledo, Ohio SIMMEN, Fred G. (W ) 964 Terrace Blvd., Trenton 8, N. J. (National Ceramic Co.) SIMMINGSKOLD, Bo Glasinstitutet i Vaxjo, Smedjegatan 3 Vaxjo, Sweden SIMMONS, E. E., Jr. (M) 455 S. Oakland Ave., Pasadena 5, Calif. SIMMONS. Milton L. (E) Ferro Corp., International Div. 4150 E. 56th St., Cleveland 5, Ohio SIMMONS, Thomas Short Georgia Tech. Box 5247, Atlanta, Ga. SIMON, A. G. (W) 3650 Fairesta St., LaCrescenta, Calif. (Gladding, McBean & Co.) SIMONDS WORDEN W H ITE CO. (F. R. Henry) X. Summit St. & Negley Pl. Dayton 7, Ohio S1MONIS, Paul Administrateur-delegue Societe Beige de Ceramique "Cerabel" 2 rue de la Regence Bruxelles, Belgium SIMONS. T. Mitchell. Jr. (W) 9186 E. Jaylee Dr. Temple Citv, Calif. (B. F. Wagner & Co.) SIMOXSEX, Eduardo C. Companhia Paulista de Mineracao Kua Boa Vista 84-7 Andar Sao Paulo, Brazil SIMOXSEX, Victor G. Cermica Sao Caetano S. A. Caixa Postal 278, Sao Paulo, Brazil SIMPSON. Frederick H. (M46--12th Ave., N. W. Seattle 7, WaMi. SIMPSON, Harold E. (G FI) _ New York State College of Ceramics Alfred, X. Y. SIMPSON, John A. (S) F. B. McFarren Ltd. Streetsville. Ont., Canada SIMPSON, John D., Jr. (S) Statesville Brick Co. Statesville, X. C. SINCLAIR. Robert R. (W) 510 S. Osage Ave., Inglewood. Calif. (Westwood Ceramic Supply Co.) SINGER, Felix (F) Keranios blouse, 46, Castlemaine Ave. South Croydon, Surrey, England (Consultant ) SIXGMASTER, James Arthur (R) 420 Lexington Ave. New York 17, X. Y. (Singmaster & Breyer) S lQ l'EIRA. Pedro M. Ceramiea Sao Caetano S. A. Rua Boa Vista 84-6 Sao Paulo, Brazil SIROYY, George (E) Century Vitreous Enamel Co. 6641 S. Xarragansett Ave. Chicago 3S, 111. SI SKA. Albert H. (E l) 822 Ellis Ave., Ashland, Ohio (Ferro Corp.) SISSONS. Gordon H. (S) 320 First St. Medicine Hat, Alta, Canada (Medicine Hat Brick & Tile Co., Ltd.) SIXT, Lawrence F. (W) Box 3, Wellsville, Ohio (New Castle Refractories Co.) SKEOCH, Walter K. (M) 320 S. Mission Rd. Los Angeles 33, Calif. (Southern California Minerals Co.) SKINNER, Kenneth G. (R I) 4223 First St., S. E., Apt. 203 Chesapeake Gardens Washington 20, D. C. (Naval Research Laboratory) SKINNER, Roger D. (G) Svlvania Electric Products Inc. Winchester. Kv. SKOGEN, Haven S. 198 Bevier Rd., University Heights New Brunswick, N. J. SKOK. John J. (I) 1434 X. Ridge Rd., Lorain, Ohio SKURCENSKI. Anton (G) H. I. Thompson Fiber Glass Co. 1733 Cordova St., Los Angeles 7, Calif. SLAYTER, Games (GF) Owens-Coming Fiberglas Corp. Newark, Ohio SLICK, E. E., Jr. (R) Haws Refractories Co., 407 Main St. Johnstown, Pa. SLYH, John A. (RFI) American Encaustic Tiling Co., Inc. Lansdale, Pa. SMALL, Carlton F., Jr. (RJ) 115 Farview Ave., Trooper Norristown, Pa. (E. J. Lavino & Co.) SMALLEY. Howard F. (E l) Pemco Corp., Research Div. 2.154 Greenmount Ave. Baltimore 18, Md. SMART, Frank H. (W) 24 Frederick St., Montclair, N. J. (Whittaker, Clark & Daniels, Inc.) SMITH, Adrian F. (G) 86 E. Third St., Coming, N. Y. (Corning Glass Works) SMITH, Alden J. (W) R. R. 1, Carey, Ohio (Porcelain Products Co.) SMITH, A. O., CORP. (W. A. Deringer) 3533 N. 27th St., Milwaukee 1, Wise. SMITH. Arnold N. T & R Boote. Ltd. Kurzem. Stafford, England Rcttur 83 SMITH. C. A. <RI) Mexico Refractories Co. Mexico. Mo. SMITH, Dudley C. (G) Main & Chestnut. Vineland, X. J. (Kimble Glass Div.. Owens-Illinoi> Glass Co.) TH, Earl R. (G> Research Laboratories . Pittsburgh Plate Glass Co. Creighton. Pa. SMITH, G. Sherwood Department of Ceramics . . Pennsylvania State University ' State College, Fa. SMITH. Gail P. (G) R. R. 3. Box 130, Corning. X. V. (Coming Glass Works) . SMITH. H. P.. Jr. (M) Hufford Machine Works. Inc. 1700 E. Grand Ave. El Segundo, Calif. `.' SMITH, H. Russell (M ) . - Box 757, East Liverpool. Ohio (Croxall Chemical & Supply Co.) .SMITH, Harlan D. (R) Wellsvitle Fire Brick Co. * * Wellsville. Mo. iSMITH, Harry W. (R) 919 Linden Hall, Chattanooga 5. Tenn. (American Lava Corp.) ITH, Herbert A. (D) * Palm. Fechteler & Co., Box 750 _ . East Liverpool. Ohio Hillard A. (W I) ... ' 159 Chestnut Ave., Metuchen. X. J. (Richmond Radiator Co.) MITH, Howard J. (R) 101 Godwin Ave., East Paterson, X. J. (Titanium Alloy Mfg. Div., Xational Lead Co.) ITH, J. Ernest (X) 1317 Putnam Ave., Plainfield, N. J. (Ceram-i-cast Corp.) WITH, James United Fireclay Products, Ltd. Bathville Office, Armadale ...... West Lothian. Scotland 'i^SM ITH. J. Ryan (W) ^.v*; F"aAirrfhaocrtslaeCno/'.. RF.aRir.fa5c,tsXeSwt. Bern, XL C. : *. (TArrebnotorlnae8n, XG.arJd.enware) SMITH., JoahmnesJaXcLo,b Jr(G. )(D) ... 1107 Highland St., Tarentun, Pa. ~LY- (Pittsburgh Plate Glass Co.) . `V /S M IT H . Karl W. S. (R) Charles Taylor Sons Co. v ' 710 Burns St., Cincinnati 30, Ohio L SMITH. Kenneth E. (D FI) v, 4716 W. 16th St., Indianapolis 44. Tnd. L (American Art Clay Co.) ; SMITH, Leland (SI) L. Box 294. Darlington, Pa. " f Staso Milling Div. of Central L Commercial Co.) SMITH. Peter Williamson (W) 3337th Tech. Tng. Sq. Scott A.F.B.. 111. SMITH. Ralph Ogden (G) 30 Chestnut St., Salem, XL J. (Gayner Glass Works) SMITH, Richard D. (E ) 2099 Abbington Rd.. Cleveland 6, Ohio (Ferro Corp. ) SMITH. Richard E. (G) 114 Pleasant St., Manchester, Mass. (Sylvania Electric Products Corp.) SMITH. Richard M. <R) 215 Seneca St., Corning, XL Y. (Corning Glass Works) SMITH. Robert A. (E) Murray Corp. of America 1900 S. Washington, Scranton, Pa. SMITH. Robert K. (R) 149 Reynolds Ave., Corning, X. Y. (Corning Glass Works) Vol. No. 10 (1954) SMITH. Rowland D. (Gl 12 Woodlawn Ave., Corning. XL V. (Corning Glass Works.) -SMITH. Rufus J., Jr. (S) 306 S. Jefferson St., Goldsboro. X. C. ( E. I. du Pont de Nemours. Inc.) SMITH & STONE," LTD. (W. B. Ford) Georgetown. Ont.. Canada SMITH, T. Sydney Brightwood. Va. SMITH, William E. (G) 5030 Janet. Sylvania. Ohio (Owens-Illinois Glass Co.) SMITH. William L. tW ) Harris Clav Co., Spruce Pine. X C. SMOCK. Aldeii W. (G) 41 Euclid Ave., Columbus 1. Ohio (North American Aviation SMOKE. Edward J. (W) 11 Edgewood Rd.. Metuchen. X. J. ( Rutgers Univer.sitv ) SMOOT. Jack M. (DI) Chamiilee. Ga. (Dogwood Ceramics) SMOTHERS. W. J. (B) Ohio Brass Co., Barberton. Chit SMYLY, James P. (M J) 19_U Ashland Ave., Charlotte. XL C. SMYTH. Harold T. (B) Xew Jersey Ceramic Research Station Rutgers University, Xew Brunswick. X. J. SNOW, L. James (S) Mifflinville, Pa. (Alliance Clay Product Co.) SXOW, Roland B. (RF) U. S. Steel Corp. 535 William Penn PI., Rnv 3415 Pittsburgh 30, Pa. SXYDER, Ernest B. (RI) Wheeling Steel Corp.) Steubenville South Plant Steubenville, Ohio SXYDER, Nicholas H. (W ) 531 Maple Ave., Trenton 8. XL J. (Rutgers University) SOBOX. Leon E. Box J-3, Alfred, XL Y. SOCIETA ITALIANA REFRATTARI MARGHERA AZIONARIA (Domenico Giacomelli) Via Industrie 52 Casella Postale 38, Marghera. Italv SOCIETE CERAMIQUE * (Comte L. de Meeus d 'Argenteuil ) Hoge Barakkenstraat 6 Maastricht, Netherlands SOCIETE FRANAISE DE CERAMIQUE (Y. Letort) 44. Rue Copernic Paris 16, France SOCIETE PROFESSIONNELLE DES PRODUITS FRANAIS DE TERRE CUITE (Guy Ledoigt) 23. rue de Cronstadt Paris XV, France SOCIETY OF GLASS TECHNOLOGY (R. W. Douglas) "Thornton'' Hallant Gate Rd., Sheffield 10, F.nglan ! SOCONY-VACUUM OIL CO. (W. B. Stevens) 26 Broadway Xew York 4. X. Y. SODERSTRUM. William K. (SI) 1151 Bookcliff Ave. Grand Junction, Colo. (Grand Junction Brick Co.) SOLOMON, Earl (RI) 1657 Boston Ridge Rd. Orchard Park, X. Y. (Electro Refractories & Abrasive- Corp.) SOLVAY PROCESS DIV., ALLIED CHEMICAL & DYE CORP. Librarian, Syracuse 1, X. Y. SOMAXY, O. M. Hindusthan National Glass Mfg. Co.. Ltd. 2. Wellesley PL. Calcutta 1, India SOMERS, A. J. Borax Consolidated, Ltd. Regis House. King William St. London E. C. 4, England SOMMER. Alfred (W) 89 Fairmount Ave.. Kingston. X. Y. ( Ferroxcube Co. of America) SOMMERYTLLE. J. L. (G l) 283 Atlantic St.. Bridgeton, X. J. (Owens-Illinois Glass Co.) SOXDLES, Merrill C. (W t Paden City Pottery Co. Paden Citv, W. Va. SOXEXSHINE, Lewis iGJ> 2141 Holland Ave.. New York 60. X, Y SOXT7L Arthur (R l) 8054 S. Crandon Ave.. Chicago 17. 111. (U. S. Steel Corp.) SOSMAXL Robert B. (Honorary. BFl > School of Ceramics. Rutgers U niw r-it\ Xew Brunswick. XL J. SOUTH, Furman, Jr. iR t Lava Crucible-Refractories Co First Xational Bank Bldg. Pittsburgh 22. Pa. SOUTHERN POTTERIES, INC. (H. W. Kibler) Box 279 Erwin, Tenn. SOWMAX, Harold G. (R) 1480 Grand Blvd.. Schenectady. X. \ (Knolls Atomic Power Lab.. General Electric Co.) SOXMAN, Edwin J. (I) Box 117, Alfred. X. \L SPAXGEXBERG, William C. (E l) Metal & Thermit Corp.. Carteret. X. J. SPARKS. Edgar W. (W) 406 Unaka Way. Erwin. Tenn. (Southern Potteries. Inc.) SPARROW. Paul F. (R) 610 Shady Dr. E,, Pittsburgh 28. Pa. (Norton Co.) SPEERS. Samuel F. (D) Evans Case Co., 21 East St. North Attleboro, Mass. SPE1L. Sidney (BI) Johns-Manville Research Center Manville, X. J. SPENCE, C. F. (E) _ 1004 Grandon Ave.. Columbus 9. Ohio (Chicago Vitreous Corp.) SPENCE. Harold I. Klabin Irmaos & Cia Aw Suburbana. 5472 Meier Rio de Janeiro. Brazil SPENCER. Charles D. (OF) Lamp Development Laboratory Lamp Dent.. General Electric Co Xela Park, Cleveland 12. Ohio SPENCER. Howard G-. I ll (SI) 232 X'. Main St.. Suffolk. Va. SPENCER-STRONG. G. H. (E F I) 109 Witherspoon Rd., Baltimore 12, Md. (Pemco Corp.) SPENGLER, H. H. (G) Glass Technology Lab. General Electric Co. 1133 E. 152nd St.. Cleveland, Ohio SPERRIXG. Richard F. (GJ) 138--37th St.. X. E., Cedar Rapids, la. (Pittsburgh Plate Glass Co.) SPINKS. H. C.. CLAY CO.. INC. (R. B. Carothers) Box- 829 Paris, Tenn. SPINNER, Sam (G) Xational Bureau of Standards Washington, D. C. SPIRES, Stephen T. (R l) North American Refractories Co. Mt. Union, Pa. SPOERRY, Henry J. Schmidheiny & Co.. Ltd. Heerbrugg, (St.G.) Switzerland SPRIGGS. Richard M. (EJ) 408 W. Hill St.. Apt. 25 Champaign. III. SPRING, George E. Box 3517. Ga. Tech.. Atlanta. Ga. R o s t e r No SPROAT, Ira E. (W FI) R. T. Vanderbilt Co., 230 Park Ave. New York 17, N. Y. SPURCK, Richard F. (W) Coors Porcelain Co., Golden, Colo. SQUARE D CO. (Ralph E. Hanna) ^ ^M o ld ed Insulation Div., Peru, Ind. Arthur A. (S) Walnut St., Philadelphia 3, Pa. (Distributor) SRUOGA, Valerio Belgrano 766, Buenos Aires, Argentina STAATLICHE PORZELLAN MANUFAKTUR BERLIN (Gerhard Muller) Hartmannstrasse 1-3 (13a) Selb/Oberfr. U. S. Zone, Germany STAATS, Henry N. (E) 7300 W. Lawrence Ave., Chicago 31, 111. (Magnaflux Corp.) STACH, Otto R. (R) Carborundum Co., Refractories Div. Box 268, Perth Amboy, N. J. STADLER, Leo E. (G) 1057 Plymouth St., Windsor, Conn. (Hartford-Empire Co., Div. Emhart Mfg.) STAFFICKER, Charles F. (G) 506 Grandview Ave., Vineland, N. J. , (Kimble Glass Co.) (STAFFORD, W. L. (R FI) Johns-Manville Research Center Box 159, Manville, N. J. STAHMANN, John A. (W ) ^ ' 4275 Verdugo Rd. , ". Los Angeles 65, Calif. * .' (Gladding, McBean St Co.) ^STALEGO, Charles J. (G) . 227 N. Fifth St., Newark, Ohio ;? (Owens-Coming Fiberglas Corp.) ; STALTER, Thomas L. (I) . 365 E. 15th Ave., Columbus 1, Ohio ' STAMPS, Murray R. (W) Canadian Porcelain Co. Ltd. iBox 428, Hamilton, Ont., Canada INDARD 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 PO TTERY (J. M. Stangl) Trenton 4, N. J. STANISLAW, T. Stanley (W) Box 354, Centerport, L. I., N. Y. (Sylvania Electric Products, Inc.) STANLEY, George V. (E) 2752 W. 90th PI. Evergreen Park 42, 111. (Crane Co.) STANNARD, Wilford T. (E) J. A. Dedouch Co., 608 Harrison St. Oak Park, 111. STANSFIELD, James R. D. (S) Streator Brick Co. Div. Hydraulic-Press Brick Co. Streator, III. STAN WORTH, John Edwin 74 Ashlawn Rd., Rugby Warwick, England British Thomson-Houston Co., Ltd.) STAPLETON, Robert E. (W) 6 Third Ave., Franklinville, N. Y. (Hi-Q Div., Aerovox Corp.) STAR PORCELAIN CO. (Daniel W. Luks) Muirhead Ave., Trenton 9, N. J. STARK CERAMICS, INC. (J. H. Stewart) Box 230 Canton 1, Ohio ARK. Rawson E. (W) R. R. 5. Greensburg, Pa. (Stupakoff Ceramic & Mfg. Co.) STARKEY. Daryle D. (M) R. R. 1, Willard. Ohio (Fate-RootTleath Co.) V ol. .>3, N'o. 10 ( 194) STARKEY, Edward A. (M) 145 W. Second St., Apt. E STETTINIUS, K. E. (W) Lapp Insulator Co., Inc., Le Roy, N. Y. Mansfield, Ohio ' (Fate-Root-Heath Co.) STARKEY, Elmer A. (R) 4720 Bayard St., Pittsburgh 13, Pa. (U. S. Steel Corp., Duquesne Works) STETSON, Alvin R. (E) Research Div., Solar Aircraft Co. 2200 Pacific Highway San Diego 12, Calif. STETSON, Harold W. STAUDT, August (W) 264 Water St., Perth Amboy, X. J. 303 Mineral Sciences Bldg. Pennsylvania State University STAUFFER CHEMICAL CO. State College, Pa. (M. P. Kerins, Jr.) STETSON, William C. (W I) 380 Madison Ave., New York, N. Y. STAUFFER, Kenqeth H. B. (W ) 380 Thornridge Dr., Levittown, Pa. Box 44, Saxonburg, Pa. (Saxonburg Ceramics) STETTNER, Donald H. (E ll (Robertson Mfg. Co.) STAVROLAK1S, J. A. (B) 419 W. Olney Ave., Philadelphia 20, Pa. (Heintz Mfg. Co.) 10108 S. Calhoun Ave., Chicago 17, 111. STEUBENVILLE POTTERY CO. (Armour Research Foundation) (W. J. Mould) Steubenville, Ohio STECK. C. O. (G) STEUERNAGLE, J. H. (G) F. J. Kress Box Co., One 28th St. Brockway Glass Co., Inc. Pittsburgh 22, Pa. Wood St., Brockway, Pa. STEELE, G. Allen (R) 546 Cedarhurst Ave., Dayton 7, Ohio STEVENS, Major Donald K. IEl Research & Analysis Dept. ( Simonds Worden White Co.) The Arty School, Box 227 STEELE, Harry L. (AA&GM Be), Fort Bliss, Texas Shorter & Son Ltd., Copeland St. Stoke-on-Trent, England STEVENS. E. G. (W J) Engr. Expt. Station, Rm. 306 STEELE, Hoyt P. (E) Benjamin Electric Mfg. Co. Ohio State University Columbus 10, Ohio Des Plaines, 111. STEVENS, Frank J. (WI) STEELE, J. C , Jr. (S) 414 Prospect St., Nutley 10, N. J. J. C. Steele & Sons, Statesville, N. C. (Isolantite Mfg. Corp.) STEELE, J. C., & SONS, INC. STEVENS, Joe (R) (J. C. Steele, Jr.) Statesville, N. C. Murray Refractories Co., Box 338 STEELE, Richard E. (X) Murray, Utah Ram, Inc., 1064 W. Fifth Ave. STEVENS, L. M. (R) Columbus 8, Ohio 2907 Alabama St., La Crescenta, Calif. STEELE, William Perrin (S) (Gladding, McBean & Co.) Pine Hall Brick & Pipe Co. STEVENS, Robert P. (RI) Winston-Salem, N. C. Wellsville Fire Brick Co. STEFL, Donald J. (W) 1625 W. 104th PL, Chicago 43, 111. Freeport Brick Co., Freeport, Pa. STEVENS, W. B. (W) STEIL, Roy C. (C) Socony-Vacuum Oil Co., 26 Broadway 3450 Garfield St., Denver 5, Colo. New York 4, N. Y. (Export Chemical Corp. of Colorado) STEVENSON, James K,, Jr. (RI) STEIN, Colin H. R. R. 1, Mundelein, 111. 7 Melville Terrace, Stirling, Scotland (John G. Stein & Co., Ltd.) (Norton Co.) STEVENSON, Samuel (W ) STEIN, Ronald C. Messrs. John G. Stein & Co., Ltd. 1967 Grafton Rd., Elyria, Ohio (Harshaw Chemical Co.) Bonnvbridge, Scotland STEVENTON, Horace STEINBCK, E. A. (R) John Steventon & Sons, Ltd. Wbip-Mix Corp., 411 W. Avery St. Cledford Works Louisville 8, Ky. Middlewich, Cheshire, England STEINER, Harry C. (G) Industrial & Transmitting Tube Dept. STEWART, Alex (E) National Lead Co., I l l Broadway General Electric Co. New York 6, N. Y. Schenectady 5, N. Y. STEWART, George C. (M) STEINHOFF, Fred L. (W FI) Livingston Manor, N. Y. Brick & Clay Record-- Ceramic Industry (Abaco Co.) 5 S. Wabash, Chicago 3, 111. STEWART, Isaac (G) STELLE. John A. (S) Arketex Ceramic Corp., Brazil, Ind. New York Testing Laboratories, Inc. 47 West St., New York 6, N. Y. STENQUIST, Donald R. STEWART, J. H. (S) U.S.S. Roosevelt (CVA 42) Stark Ceramics, Inc., Box 230 F.P.O., San Francisco, Calif. Canton 1, Ohio STENT, Howard B. STEWART, John A. (GI) Box 1587, Nairobi Kenya Colony, East Africa 419 Locust Ave.. Washington, Pa. (B. F. Drakenfeld & Co.. Inc.) (E. A. Industrial Research Board) STEWART, Malcolm (M) STERLING ABRASIVES DIV., 310 Irwin St.. San Francisco 7, Calif. CLEVELAND QUARRIES CO. (Commercial Minerals Co.) (L. B. Bellamy) Box 801, Tiffin, Ohio STEWART, Wilfred H. |R ) STERLING CHINA CO. (William T. Pomeroy) U. S. Reduction Co.. 4610 Melville East Chicago. Ind. East Liverpool, Ohio STIEF, W. C. (W) STERLING, Harry S. (G) 158 S. Wilson Blvd., Mt. Clemens, Mich. Corning Glass Works (Mt. Clemens Pottery Co.) Harrodsburg, Ky. STIEFEL, Maurice B. (RJ) STERN. George (M) American Electro Metal Corp. National Bureau of Standards Van Ness & Conn. Ave. 320 Yonkers Ave., Yonkers 2, N. Y. Washington. D. C. STERRY. J. Patrick Ceramic Engineering Div., Roberts Hall University of Washington STILLWATER CLAY PRODUCTS CO. (J. P. Duffy) Lock Drawer 32 Vhrichsville, Ohio Seattle 2. Wash. STOCK, Donald F. (R) STERRY, William M. 1019 E. 43rd St., Seattle 5, Wash. Harbison-Walker Refractories Co. Hays Laboratory, Pittsburgh 7, Pa. STOCKDALE, George F. (G) 49 Corning Blvd., Corning, X. V. (Corning Glass Works) STOCKSLAGER. Theodore F. i\V) Carborundum Co. 24800 Lakeland Blvd. ^^leveland 23, Ohio ^ B k STROM. Arthur (E) V H ^ g i c Chef, Inc. ^ ^ i6 4 1 S. King.'highwav. St. Louis 10, Mo. STODDARD, Stephen D. (W I) 2557C 36th, Los Alamos, X. M. (Los Alamos Scientific Laboratory) STOEN, Roger C. (SI) * Cannelton Sewer Pipe Co. . Cannelton. Ind. STOHL. Alfred A. (W) 374 North St.. Sun Prairie. Wise. (Wisconsin Porcelain Co.) STOHL, L. A. (W ) Wisconsin Porcelain Co. Sun Prairie. Wise. STOLTE. Xorman H. (E l) 3974 Orchard Rd. . . Cleveland Heights 21, Ohio . (Harshaw Chemical Co.) STONE, Benjamin (W) V:.' : California Crafts 43340 X. Gratiot, Mt. Clemens, Mich. 'STONE. Conrad A. (G) 93 S. Remington Rd. Bexley, Columbus 9. Ohio AAA*". (Federal Glass Co.) : STONE. C. P. . Ferrrmic Industries. Ltd."' 2.--v :` 25 Hydeway. Welwyn Garden City Herts. England ";;4 jO N E , F. R. (R) Canada Firebrick Co., Ltd. ^ ^ ' 4741 St. Ambroise St. Montreal, Que.. Canada f'S T p S E , Robert J. (M) . John W. Higman Co. v'--' 24 State St.. New York 4, X. Y. iE, Robert L. iB FI) !)ept. of Ceramic Engineering r University of Texas. Austin 12. Texas STONE, S. A. (M) ;V Deister Concentrator Co. ' ' 901 Glasgow Are.. Fort Wayne. Ind. . STOXG. Guy E. (G) 'iA 926 W. Water St., Elmira, N\ Y. (Corning Glass Works) STOOKEY, Stanley D. (G) 145 Pritchard Ave.. Corning, X'. Y. . (Corning Glass Works) STOOPS. Robert F. (RI) j Carboloy Dept.. General Electric Co. 1 . Box 237. Roosevelt Park P. O. Detroit 32. Mich, f : STOTLER. Chahner P. (W) A 228 Winter St., Crooksville, Ohio (Crooksville China Co.) 2 ` STOTT, A. E. Edward Johns & Co., Ltd. . Armitage. Xr. Rvgeley . Stafford. England ; STOUT. Lester L. (S) Ohio State University Research Foundation Columbus 10. Ohio STRADLEY, Xorman (GI> Minnesota Mining & Mfg. Co. 367 Grove St.. St. Paul 1, Minn. STRAIGHT, Lee H. (S) Iowa Clay Products Co. Centerville. Ia. STRA1X. R. E. (E) Alliance Ware. Ltd. Box 550. Vancouver. B. C . Canada - ^ ^ R A T T O X . Mrs. W. B. (D) Pewabic Pottery. 10125 Jefferson Ave. Detroit 14, Mich. STRAUSS. Simon W. (E) 3801 Connecticut Ave., X. W.. Apt. 247 Washington, D. C. ( Xational Bureau of Standards) Vol. N o. 10 (10.34) STREATOR BRICK COM DIV. HYDRAULIC-PRESS BRICK CO. (James R. D. Stansfield) " Streator, 111. STRIMPLE, J. H. (X) Xational Lead Co.,mTitanium Div. Box 58. South Amboy, X. J. STRIXGFELL.OW, Allen E. (M) 501-C Highland Ave. Codingswood 7. X. J. ( l.T.E. Circuit Breaker Co.) STROD, Arvid J. (E l) Industrial Metals Improvement Co. The Park Bldg., Pittsburgh 22, Pa. STROXG. Kenneth B. (W) 4101 Hillsboro Circle Nashville 12, Tenn. (Titanium Alloy Mfg. Div.. Xational Lead Co.) STROTT, Adolf J. (R) Kearfott Co.. Inc*. Ceramic Dept. Little Falls. X. J. STROUD. Harold L. (M) 290q Bembridge Rd., Royal Oak. Mich. (Champion Spark Plug Co.) STROUP. Philip T. (R) Aluminum Co. of America Box 772, New Kensington. Pa. STROUPE. Howard E., Jr. (W I) Wheeling Tile Co., Wheeling. W. Ya. STRUCTURAL CLAY PRODUCTS INSTITUTE (Harry C. Plummer) 1520 18th St., X. W. Washington 6. D. C. STRUEBIXG, Harold J. (M) 1215 Military Rd., Buffalo 17, X. Y. (Richard C. Remmev Son Co.) STUART. Deraid A. (B) Thurston Hall. Cornell L7niversitv Dept, of Engr. Mat., Ithaca, X. Y. STUCKEY. Jasper L. (X) University of Xorth Carolina Raleigh Unit. Raleigh, X. C. STULL, John L. Box 41, Alfred. X. Y. STUKTZ, Robert P. (R) Babcock & Wilcox Co. 105 S. LaSalle, Chicago 3, HI. STUPAKOFF CERAMIC & MFG. DIV., CARBORUNDUM CO. (Semon H. Stupakoff) Latrobe. Pa. STUPAKOFF, Semon H. (W) . Stupakoff Ceramic & Mfg. Div.. Carborundum Co. Latrobe, Pa. STYER. Charles A. (B) 11 Roxbury Rd.. Forest Hills Pittsburgh 21, Pa. (Vesuvius Crucible Co.) STYHR. Pvt. Karsten H., Jr. (W J) US 51296985, 9771 TSU Det. 3, Dugway, Utah SUBBARAO, Eleswarapu C. Division of Ceramics College of Mineral Industries Pennsylvania State University State College. Pa. SUBRAMAXIAN. D. R. M/S Burn & Co. Ltd. Ranigunj, P. O. Dist. Burdwan, India SULLIVAN. Eugene C. (GF) Corning Glass Works, Corning. X. Y. SULLIVAN. John D. (BF) Battelle Memorial Institute 505 King Ave., Columbus 1, Ohio SULLIVAN. Joseph C. (G) 38 Fulton St.. Corning, X. Y. (Corning Glass Works) SUL! IVAN. Paul A. (GJI) 624 Adeline Dr., Webster. X. Y. (Bausch & Lomb Optical Co.) SUMERBANK (Bulent Buktas) Ankara. Turkey S l'MMERS. E. \ \ \ (G) Owens-Illinois General Engr. Dept., Alton, 111. SUMPTER. Charles E. |R.) 18458 Roy St., Landing, 111. (V. S. Steel Corp > SUMRELL, Ferrall X. lE ) 707 Henry St. I 'niondale, Hemp>:ead. X. Y. (Hardwick Hindie. Inc.) SUN. K. H. (GF) 2131 Lindsay Rd.. Pittsburgh 35, Pa. ( Westinghouse Electric Corp.) SU PAR Ceramic Institute Bandung, lava. lndone>ia SUR ENAMEL & STAMPING WORKS. LTD. iM M. Sur) 34 Middle Rd . Emally Calcutta 14. India SUR. M. M. Sur Enamel & Stamping Work*, Ltd. 24 Middle Rd . Eutally Calcutta 14. India SURA1YA, Yaljee (J) 20 Theatre Rd.. Calcutta 16. India ( Luckv Glas* Work:) SURFACE COMBUSTION CORP. (Harvey C Welleri 2375 Dorr St. Toledo 1. Ohio SURFLEET, Harold Kavlene Lalwratories. Waterloo Rd. London, X. W. 2. England (Kavlene (Chemicals) Ltd.) SUTHERLAND. Clark <S) Robinson Clay Product Co. 65 W. State St.. Akron 9, Ohio SUTHERLAND. Frank R. (W I) R. R. 6, Box 316-A. Kokomo, Ind. ( Havnes Stellite Co.) SUTPHEX. F. G. (X) 2605 Central A\e.. Middletown, Ohio SUTTON, Paul M. <G) Corning Glass Works. Corning. X. Y. SUTTON, Willard H. 214 W. Fairmont. State College, Pa. SUTTON. William H.. Jr. (G) Davison Chemical Corp. 101 X. Charles St.. Baltimore 3, Md. SUTTON, W. J. (X) 24 High St.. Alfred. X. Y. (New York State College of Ceramic*) SYEC. J. J. (W I) 3440 S. Euclid Ave.. Berwyn. 111. (Industrial Publications Inc.) SWAIN. Richard S. Nash Hall. Campus Rd.. Toledo 6. Ohio SWAIN, Stephen M. (RFI) 3403 Spangler Rd. Cleveland Heights 12, Ohio (Xorth American Refractories Co.) SWALM. Phaon H. (W ) Box 178. Kingston, Ont.. Canada (Frontenac Floor & Wall Tile Co.. Ltd.) SWAN, S. D. (B) 52 Hazelton Dr.. White Plains, X. Y. (Consultant) SWEARINGEN. Jack C. (G) United Can & Clas> Co. Box 90. Hayward, Calif. SWEELY. B. T. (E FI) Gate 12, Crystal Lake. 111. SWEITZER, Mark (W) 320 X. Euclid. Pasadena 4, Calif. (S. Paul Ward. Inc.) SWENSON. George W. (M) Minnesota Mining & Mfg. Co 900 Fauquier Ave.. St. Paul C Minn SWEXTZEL. John P. (R) 8960 Hennepin Ave. Niagara Falls, X. Y. (Carborundum Co.) SWEO. Benjamin J. (EF) Ferro Corp. 4150 E. 56th St.. Cle\ eland 5. Ohio SW1CKER. Victor C. (GF) 907 Floral Dr.. Whittier. Calif. (Consultant ) SWIFT. Howard R. ( C, I.ibbev-Owen*-Ford Glass Co. 1701 E. Broadway. Toledo 5. Ohio R oster so m at* i ? I SW1GART. Joseph J. <M > 3014 Middletown Rd., Pittsburgh 4, Pa. (Vitro Mfg. Co.) ' SW INDELL BROTHERS, INC. (J. J. Jeffries) Bayard & Russell Sts. Baltimore 30, Md. SW INDELL-DRESSLER CORP. (Philip Dressier) Box 1888 Pittsburgh 30, Pa. SWJXXERTOX, Bertram B. (\Y) 21 Second Ave., Tiffin, Ohio 1American Radiator & Standard Sanitary Corp.) SWIXXERTOX, George R. (M) 35 E. State St.. Alliance, Ohio (Sales Representative) SYLVANIA ELECTRIC PRODUCTS, INC. (B. S. Ellefson) 208-20 Willets Point Blvd. Bayside, Long Island, X. Y. SYLVESTER, George R. (MI) Sylvester & Co. Aurora Rd., Solon, Ohio SZYMASZEK, Jan Walter (R) 121 Muir Ave. Niagara Falls, Ont., Canada (Metals Research Laboratories) T TAELER, David 215 Thompson St., New York 12, N. Y. TAILBY, Roland V. (W I) Stylon Corp., Milford, Mass. TAKAHASHI, Kakuichiro (F) Nippon Glass Co., Ltd. 1, Ginza 7-chome, Chuo-Ku Tokyo, Japan TALBOT, Herbert W., Jr. (W) National Lead Co., 1376 River Ave. Pittsburgh 12, Pa. TALWALKAR, T. W. 8 Bagmati Rd., Jamshedpur, India (Tata Iron & Steel Co., Ltd.) TANBERG, Ragnar Drammens Glassverk Drammen, Norway TAO, Yung 3834 W. 117th St., Cleveland, Ohio TARXACKI, Walter J. (WI) 8417-C Loch Raven Blvd. Towson 4, Md. (Friez Instrument Div., Bendix Aviation Corp.) TARNEY, Eugene G. (S) 3444 Ontario St., Columbus 11, Ohio (Harrop Ceramic Service Co.) TARXOPOL, Milton S. (G) 943 Ninth Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) TASHIRO, Megumi (G) Pennsylvania State University College of Mineral Industries State College, Pa. TATE, Frank E. (W I) 310 Tenth St., Lincoln, III. (Stetson China Co.) TATEM. William A. Box 787, Alfred, X. Y. TAUBER, John A. (RI) 31l>0 Mayflower Rd. Plymouth Meeting. Pa. (E. J. Lavino & Co.) TAYLER. John B. (W ) Louisville Pottery Co., Inc. 228 E. Bloom, Louisville 8, Ky. TAYLOR. A. L. (XJ) * Headquarters AMC, Box 1794 Wright Field, Dayton, Ohio TAYLOR. Albert J. (R) 106 Placer Lane. Oak Ridge, Tenn. (Oak Ridge National Lab.) TAYLOR, Charles D. (S) 219 Corriher Ave., Salisbury, N. C. (Taylor Clay Products, Inc.) 90 R oster TAYLOR, Charles H,, Jr. (RI) 500 Camden Ave., Apt. A1 Moorestown, N. J. (R. C. Remmey Son Co.) TAYLOR, Fran (D) Gay Fad Studios, Lancaster, Ohio TAYLOR, Howard U. (WI) 310 Dardis Ave. Menomonee Falls, Wise. (Globe-Union, Inc.) TAYLOR, J. 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. Minnesota Mining & Mfg. Co. 900 Fauquier Ave., St. Paul 6, Minn. TAYLOR, Robert B. (S) Structural Clay Products Research Foundation 20 N. Wacker Dr., Chicago 6, 111. 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. V. TEAGUE, A. D. (R) Box 923, Augusta, Ga. (Babcock & Wilcox Co.) TEAGUE, Jo M., Jr. (GI) Quality & Specifications Dept. Owens-Illinois Glass Co. Box 1035-1036, Toledo, Ohio TEETER, John N. (E) 677 Wilmot Rd., Deerfield, 111. (Thomas C. Thompson Co.) TEETOR, Paul (SF) Central Commercial Co., Northfield, 111. 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 TEGELLABO RATORIET (Brick Labosatory), (Christer Enberg) Drottning Kristinas vag 45 Stockholm O, Sweden TENNANT, C., SONS & CO., OF NEW YORK (Wilbur S. Deming, Jr.) 100 Park Ave., New York 17, N. Y. TENNERY, Victor J. Findlay, 111. TERMAN, Mark J. (R) Babcock & Wilcox Co. 161 E. 42nd St.. New York 17. N. Y. TERNENT, James W.. Jr. (XJ) 131 Rebecca St., Kittanning, Pa. (Eljer Co.) TERRY. Griffin E. (E) 602 E. Willow, Wheaton, 111. (Hotpoint Co.) TETR1CK, James D. (SF) 1102 E. Fourth St.. Vinton, la. (Vinton Lime & Rock Co.) THATCHER GLASS MFG. CO., INC. (Roy S. Arrandale) 1901 Grand Central Ave.. Elmira, X. Y. THEOBALD, Erwin F. (S) 1516 --18th St., X. W.. Canton 3, Ohio (Metropolitan Brick, Inc.) THEW S. Karl B. (E) 83-09 Talbot St. Kew Gardens. L. I.. X. Y. (Titanium Alloy Mfg. Div.r National Lead Co.) THIELKE, Norman R. (B) National Carbon Co., Box 6087 Cleveland, Ohio THIEMANN, John W. (W I) 2550 N. 40th St., Milwaukee 10, Wise. (Globe-Union Inc.) THIEMECKE. Harrs W. <WI: 1> Homer Laughlin China Co. Newell, W. Va. THIESS, L. E. (W F) Locke Department, General Electric Co Box 57, Baltimore 3. Md. * THOMAS, Charles A. G. E. J. & J. Pearson, Ltd., Firebrick Works, Stourbridge, England THOMAS, Charles W. (Honorary) Clifton House. Old Swinford Stourbridge, England (E. J. & J. Pearson, Ltd., Firebrick Works) THOMAS, David W. (W I) Stangl Pottery, Trenton, X. J. THOMAS, Everett A. (X) 2703 Shaffer Ave.. Cincinnati 11, Ohio (Chas. Taylor Sons Co.) THOMAS, H. H. (Mi 35 Highboy Court. Red Bank, N. J, (Pemco Corp.) THOMAS, James W. Georgia Institute of Technology Ceramic Dept., Atlanta, Ga. THOMAS, Robert H. (B) 238 Arlington Rd., Newton Falls, Ohio (Falls Welding & Mfg. Co.) THOMPSEN, 2nd Lt. Robert S. W.A.D.C. Gen. Delivery, Area B W.P.A.F.B., Davton, Ohio THOMPSON, A. Paul (RF) Research Laboratories Eagle-Picher Co, Joplin, Mo. THOMPSON, Charles W. (R) 216 Del) St., Johnstown, Pa. (Bethlehem Steel Co.) THOMPSON, Clyde L. (RFI) 4922 New Plymouth Rd. Pittsburgh 27, Pa. (Harbison-Walker Refractories Co ) THOMPSON, Franklin S. (W) 25 Schenck Ave., Matawan, N. J. (Atlantic Tile Mfg. 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. 1, England THOMPSON, John D. (E) 2434 Evergreen Dr., Royal Oak, Mich. (Briggs Mfg. Co.) THOMPSON, M. W. (W) Hall China Co., East Liverpool, Ohio THOMPSON. Noel M. (R) 721 Shady Lane, Pittsburgh 34, Pa. (Lumnite Div., Universal Atlas Cement Co.) THOMPSON. Orrin S.. Jr. Box BB, Alfred, N. Y. THOMPSON, Thomas E. (E l Box 252, Williams Bay, Wise. (Thomas C. Thompson Co l THOMPSON, Lt. William M.. Jr. -RJI) WADC, Area B, Box 8308 Wright-Patterson AFB, Davo.n. Ohio THOMSON. Homer G. (R) 12101 W. Howard St. Milwaukee 14, Wise. (Allen Bradlev Co.) THOMSON. James K. (W) 6 E. Jefferson Rd.. Pittsford. X. Y. THOR. Murner E. (RI) 318 Parkhnrst Blvd, Buffalo 23. X. Y. (Norton Co.) THORLEY, J. Palin (D Box 1143. Jamestown Rd. Williamsburg, Va. (Palin Thorley Co.) THORNE, James E. 507 E. Wilson St.. Farmville. X C. THORNE, Vaughn M. American Ceramic Society 4053 X. High St.. Columbu 14, Ohio THORNGATE. Bruce W. (W) Landgren. Box 256. R. R. 1 Tampa 4. Fla. Ceramic Bulletin THORNTON. George A. (M) Ottawa Silica Co., Box 437 Ottawa, 111. THORNTON. Paul E. (\VI) 4603 Lasheart Dr., La Canada, Calif. (Ferro Corp.) THORNTON, Richard CC, Alfred, N. \ HER, William R. *(D) el Ceramics, Inc. 772 N. Main, Akron 10, Ohio THROPP, Herreid D. (W ) Shenandoah Silica Co., Inc. 333 \V. State St., Trenton 8, N. J. THROPP, Richard W. (W ) Eureka Flint & Spar Co. 190 \V. State St., Trenton 8, N. J. THUENER, Everett E. (\Y) R. R. 6, Schenectady 3, N. Y. (General Electric Co.) THURNAL'ER. Han? (BFI) 1811 Hixson Pike Chattanooga 5. Tenn. (American Lava Co.) THUT, Walter W. A. G. Hunziker & Cie, Lagerstrasse 1 Zv.rich, Switzerland TIBBALS, Harvey L. (M I) 2374 Hilgard Ave., 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 TIFTICKJIAN, 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) ^ ^ fe llo n Institute. 4400 Fifth Ave. J^HUttsburgh 13. Pa. ^ ^ K R L A K E . John J. (G) ^^^orter-Teichm ann Co. 1210 Clark Bldg., Pittsburgh 22, Pa. TINKER. Dean (M) Granville. Ohio (Ohio Kilns. Inc.) TINKLEPAUGH, J. R. (RI) Air Force Project New York State College of Ceramics Alfred, N. Y. TIPPING, J. . United G1as Bottle Mfgrs., Ltd. 8 Leicester St. London. W. C. 2. England TIPPS. A. H. (M) American Lava Corp., Cheroke Blvd. Chattanooga. Tenn. TITANIUM ALLOY MFG. DIV., NATIONAL LEAD CO. (W. J. Baldwin) Box C, Bridge Station Niagara Falls, N. Y. TITUS, Henry B. (R) North American Refractories Co. 50 Church St.. New York 7, N. Y. TOBERG, John (E) . Shepherd Chemical Co. 2803 Highland Ave. Cincinnati 12. Ohio TOBEY, Henry M. (S) Dow Chemical Co., Midland, Mich. TODD. Edwin R. (W) 2425 Vail Ave.. Apt. 21-A Charlotte, X. C. (Hoge-Warren-Zimmerman Co.) TODD. Henry (M) Dee Lane. Queenston. Ont., Canada (Canadian Ohio Brass Co.) ER, Herbert R. (E l) R. R. 2, Box 544, West Chicago, 111. (American Steel Treating Co.) TOM. Elgin M. (G) 4208 Marlaine Dr.. Toledo 6, Ohio Vol(.KimblXe oG.la1ss0 C(1o9.)54) TOMASEK, A. J. (R) Walsh Refractories Corp. 101 Ferry St., St. Louis 7, Mo. TOMKINS, David E. (R) R. R. 5, Eastbrook Rd., New Castle, Pa. (Shenango China. Inc.) TOOL, Arthur Q. (G F)m 7325 Carroll Ave. Takoma Park 12, Md. TOOLEY, F. V. (GF) 611 \V. Oregon, Urbana, 111. (University of Illinois) TOOMEY, James E. (R) Kaiser Aluminum & Chemical Corp. 1625 Eye St., N. W., Room 913 Washington 6. D. C. TOPPING, John (Rl United State? Steel Corp. Pittsburgh, Pa TORGAL, K. G. 1/108, Mannarpurani Tiruehirapalli, S. India (Jamal Mohamed College) TORNO, Ralph F. (E) 369 Front St.. Xo. 1, Berea, Ohio (McGean Chemical Co.) TOROK. Julius J. (G) 934 Second St., Beaver, Pa. (Consultant) TOSTEVIX, Edgar R. (W JI) R. R. Bogtown Rd. Purdv Station, N. Y. TOULOUSE. Julian H. (GI) 1817 Potomac Dr.. Toledo 7, Ohio (Owens-Illinois Glass Co.) TOWNSEND. William O. (GI) Box 83, Gilboa, Ohio (Svlvania Electric Products, Inc.) TRABRT. Loren A. (W I) 1024 Dodge St., Lake Geneva, Wise. (Pickard. Inc.) TREDENNICK, William T. (RI) Refractory Specialties Co. 2200 Washington Ave, Philadelphia 46. Pa. TRE1SCHEL. C. C. (W FI) R. T. Vanderbilt Co., 230 Park Ave. New York 17. X. Y. TRENTON PO TTERIES CO. Plants 1 & 2. 309 X. Clinton Ave. Box 141, Trenton. X. J. TREPTOW, Arnold W. (E) Bell Telephone Labs. Murray Hill, N. J. TREVOR. John F. Moira Rd., Woodville Nr. 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. I. TRINKLEIN, 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) TROMPETER, Bernard J. (W) Champion Spark Plug Co. 8525 Butler Ave., Detroit 11, Mich. TROSTEL, L. J. (RFI) General Refractories Co., Box 1673 Baltimore 3, Md. TROSTEL, Louis J.. Jr. (I) Apt. 1, 1801 N. Fourth St. Columbus 1, Ohio TROY, H. Neal (R JI) Libbey-Owens-Ford Glass Co. 1701 E. Broadway, Toledo 5, Ohio TROY, Walter J. (E) 888 Chili Ave., Rochester, N. Y. (Pfaudler Co.) TRUESDALE. Richard S. Box J-3, Alfred. N. Y. TSE, Shou-cheng (XJ) Box 445, Station A East Liverpool, Ohio (Louthan Mfg. Co.) TUCKER, Donald J. (MI) Brentwood Manor, Winthrop Rd. Huntingdon Valley, Pa. (Precision Grinding Wheel Co.) TUCKER. Edward F. tS t Stebbins Engineering & Mfg. Co. Watertown. N. Y. TUCKER, Harvey C. (W I) Ferro Corp.. 4150 E. 56th St. Cleveland. Ohio TUCKER, Roland E. (WI) Trenton Potteries Co.. Trenton, N. J. TUFXAIL, Howard R. Steel Co. of Wales, Ltd., Box 9 Port Talbot, Glam.. England TUNG. Chi Fang (E) 412 Morewood Ave., Pittsburgh 13, Pa. (O. Homrnel Co.) TURBETT. Paul E. (MI) 1127 Chickasaw Dr.. Paris, Tenn. lH. C. Spinks Clay Co., Inc.) TURCK, Raymond L. (R) 906 X. Highland. Dearborn, Mich. (Peninsular Grinding Wheel Co.) TURISSINT. Robert (JO > Glass Tech. Dept.. Corning Glass Works Corning. N. Y. TURK. Richard H. (EFI) Pemco Corp., 5601 Eastern Ave. Baltimore 24. Md. TURNBULL. Edward D. (W) 500 Penn Ave.. Scranton 3, Pa. (Euston Lead Co., Div. Glidden Co.) TURNBULL. John C. (G) Radio Corp. of America RCA-Victor Div., Lancaster, Pa. TURNER, A. A. (R) 153 Lake Ave., Metuchen, N. J. (Carborundum Co.) TURNER, Donald Messrs. Lodge Plugs, Ltd. Rugby, England TURNER, Mort D. (BI) 1417 Addison St., Berkeley 2, Calif. (State Division of Mines) TURNER, P. P., Jr. (RI) Thompson Products, Inc. 23555 Euclid Ave.. Cleveland 17. Ohio TURNER, Robert C. (SI) 2552 Wilson Ave., Bellmore, N. Y. (Structural Clay Products Institute) TURNER. W. E. S. (Honorary) 30 Whitworth Rd.. Ranmoor Sheffield 10, England TUTTLE, George N. (E) Benjamin Electric Mfg. Co. Des Plaines. III. TUTTLE. Milton A. (B) Box 981. Alfred. N. Y. (New York State College of Ceramics) TWELLS. Robert (W FI) Electric Auto-Lite Co., Spark Ping Div., Box 231 Fostoria, Ohio TWELLS. Robert G. (GJ1) 528 Isabella Ave.. Lock 4. Pa. (Corning Glass Works) TWYFORDS. LTD. Cliffe Vale Potteries Stoke-on-Trent. England TYGART VALLEY GLASS CO. (E. A. Hinkins) Box 503 Washington, Pa. TYLER. W. S.. CO. (C. E. Jenks) 3615 Superior Ave., N. E. Cleveland 14, Ohio TYSINGER. Ted W. (S) 403 S. Hargrave St.. Lexington, N. C. (Cunningham Brick Co.) u U.. Camilo Valencia M. M. Contreras 50-J Mexico 4 D. F., Mexico R oster 93 VUK0V1CH. Milan. Jr. (MI) WALWORTH, Chester A. (G) Godfrey L. Cabot, Inc. Libhey-Owens-Ford Glass Co. Research & Development Dept. Box 4278, Charleston 4, W. Va. 38 Memorial Dr., Cambridge 42, Mass. WAMBOLD, Jack (B) 325 E. Palisades Blvd. w Palisades Park, JjL J. (Wright Aeronautical Div., GONER, Jack H. (G) 40 Quentin Rd., X., Newark, Ohio Fiber Glass Div., Pittsburgh Plate Glass Co.) Curtiss-Wright Corp.) WAMPLER, Roy W. (G) Libbey-Owens-Ford Glass Co. Technical Bldg., 1701 E. Broadway WAGNER, Bruce F. (\Y,l Toledo 5, Ohio 186 X. Vernon Ave., Pasadena 3, Calif. WANG. Franklin F. Y. (B. F. Wagner & Co.) 405 X. Gregorv St., Vrbana. 111. WAGNER, Rio B. (D) WAXGELIX, H. P*. (W ) 1398 Brice Rd.. Reynoldsburg, Ohio Universal-Rundle Corp. (Perma Flex Mold Co.) 3305 W. Forest Home A\e. WAHL, Albert J. (W) Milwaukee 15, Wise. A. J. Wahl, Inc., 8 Central Ave. WARD, George W. (S) Brocton. X. V. Gustin-Baeon Mfg. Co. WAHLGREN. Wald 210 W. Tenth St., K arlas Citv, Mo A. B. Gustavsbergs Fabriker WARD, John F. (R) ' Gustavsberg. Sweden Johns-Manville, 22 E. 40th St., WAIXER, Eugene (W) New York 16, X. Y. Horizons, Inc., 2891 E. 79th St. WARD, K. E. (M) Cleveland, Ohio United Clay Mines Corp. W AITE, Virgil H. (E) Oakland & Prospect Sts. 433 Beech St., Berea, Ohio Trenton 6, N. J. (McGean Chemical Co.) WARD, Mrs. S. Paul (M) W AKEFIELD, Richard E. B. (M) 601 Mission St., South Pasadena, Calif. Shallcross Mfg. Co., Collingdale, Pa. (S. Paul Ward, Inc.) WAKELY, Wilbur T. (GJ) WARDE, John M. (R) 7 Prospect, Warren, Pa. 22 Outer Dr., Oak Ridge, Tenn. : (Sylvania Electric Products, Inc.'I (Oak Ridge National Laboratory) ; WALDEN, Albert S. (R) WARFIELD, Robert A. (G) C NationalCarbon Co., Cleveland, Ohio 2460 E. Livingston Ave. WALDHAUER, William O. Columbus 9, Ohio .. Odorless Cleaners, Milledgeville, Ga. (Federal Glass Co.) . WALKER, A. M. WARNER, Maurice F. (X) Australian Tesselated Tile Co. 934 Michigan Ave., Evanston, 111. >. Mitcham, Victoria, Australia (Sierra Talc & Clay Co.) - WALKER, Eugene E. (W) WARREN, George (E l) 220 W. Sheridan Ave., New Castle. Pa. Pfaudler Co., Research Laboratory (Universal-Rundle Corp.) 1000 West Ave., Rochester 3, N. Y. ^W A L K E R , Henry E. (G) WARSHAW, Israel (B) Harding Glass Co., Fort Smith. Ark. Glass Research Div. ^ i L K E R , Herbert M. (W) Pittsburgh Plate Glass Co. Walker China Co., Solon Rd. Creighton, Pa. Bedford. Ohio WARYGA, Casimer F. (R) WALKER, John 342 E. Ashdale, Philadelphia 20, Pa. Morgan Crucible Co., Ltd. (Refractories Corp. of America) Battersea Church Rd. WASHABAUGH, Grover C., Jr. (M) London, S. W. 11, England New Castle Refractories Co. WALKER, Raymond F. (B) New Castle, Pa. 2740 Porter St., N. W. 8 WASHINGTON BRICK CO. Washington, D. C. (John R. Clark, Jr.) Muirkirk, Md. (National Bureau of Standards) WASHINGTON PORCELAIN CO. WALKER, Warren W . (R) (E. R. Miller) Willow St. 29 Laurel PL, Upper Montclair, N. J. Washington, N. J. (Graphite Metallizing Corp.) WASMANN, Russell K. (R) WALKUP, D. H. (W) Laclede-Christy Co., 391 Sutter Kilgore Ceramics Corp., Box 1619 San Francisco 8, Calif. Kilgore, Texas WATERS, Martin R. (W I) WALLA. Max R. (W) 28 Sweetbriar Lane, Levittown. Pa. Box 1369, Little Rock, Ark. (Wenczel Tile Co.) (Winburn Tile Mfg. Co.) WATKIN, Robert W. (W) WALLACE. Arthur (W) 2507 St. Clair Ave. 303 A Houston St. East Liverpool, Ohio Chattanooga 3. Tenn. (Edwin M. Knowles China Co.) (American Lava Corp.) WATKINS, Charles WALLACE. Curtis C. (G) Box J-3. Alfred, N. Y. Electric Storage Battery Co. WATKINS, George B. (G) Box 5723. Philadelphia 20, Pa. Libbey-Owens-Ford Glass Co. WALLACE. Paul F. (B) 1701 E. Broadwav, Toledo, Ohio 76 Ward Park Rd.. Grand Island. X. Y. WATKINS, Ray T. (S) (Carborundum Co.) U. S. Tariff Commission, Ceramic Div. WALSH, Donald E. (W) Washington, D. C. Consolidated Feldspar Dept., WATKINS, William E. (MI) International Minerals & Chemical Corp. 6563 Alderwood Dr., Cleveland 30, Ohio East Liverpool. Ohio (Allied Engineering Co.) WALSH REFRACTORIES CORP. WATKINS, W. J. (M) (A. J. Toma^ek) 101 Ferry St. Kentucky Clay Mining Co. St. Louis 7. Mo. Mayfield. Ky. ^ L T O N , Jesse D,, Jr. (E) WATSON. George F. (R) 4835 Durden Dr., Apt. 3 American Brake Shoe Co. Chamblee, Ga. Metallurgical Lab., Mahwah. X. J. (Engr. Expt. Sta. WATSON. James M. (X Jl Georgia Institute of Technology) Box 178. Farmville, Va. WAI.TOX'. S. F. (R FI) WATT. Charles F.xolon Co.. Tonawanda, N. Y. 4731 21st, X. E., Seattle 5. Wash. V o l. 33, N o. 10 (1954) WATT, Loren iW j Watt Pottery Co. Crooksville. Ohio WATT POTTERY CO. (Loren Watt) Crooksville. Ohio WATTS, Arthur P. (R) A C Spark Plug Div., General Motors Corp., Dept. 3105 Flint, Mich. WATTS, Arthur S. (Honorary, W F P Lord Hall. Ohio State University Columbus 10, Ohio WAXLER, Roy M. (G.i National Bureau of Standards Van Ness &. Connecticut Ave. Washington. D. C. WEATON, Ralph L. (G) St. Joseph Lead Co. of Pa. Zinc Smelting Div., Monaca, Pa. WEAVER. Don S. Box 787, Alfred. X. Y. WEAVER, F. L. (R) Weaver Material Service, Gokey Bldg. Jamestown, X. Y. WEAVER, Harold L. (G) 303 Chestnut St., Port Allegany, Pa. (Pittsburgh Corning Corp.) WEAVER, R. A. (EF) Ferro Corp., 4150 E. 56th St. Cleveland 5, Ohio WEBBER, John J. (R) 138 Meadowbrook Dr. Pittsburgh 34, Pa. (Harbison-Walker Refractories Co.) WEBER, Bertbold C. (W ) 3833 Saranac Dr., Dayton 9, Ohio (Aeronautical Research Laboratory) WEBER, Don A. (S) Deister Concentrator Co. 901 Glasgow Ave., Fort Wayne, Ind. WEBER, Kenneth E. (M) 2514 Thayer St., Evanston, 111. (O. Hommel Co.) WEBSTER, Charles E. (RI) 311 E. Beaver St., Zelienople. Pa. (Lava-Crucible-Refractories Co.) WEBSTER, David (S) Polychemicals Div. West Virginia Pulp & Paper Co. Box 832, Charleston, S. C. WEBSTER. Paul A. (G) Moravia Rd., Avon, Conn. (Hartford-Empire Div., Emhart Mfg. Co.) WEDDELL. George G. (W) Geotic Industries, Inc. 515 S. Main St., Pittsburgh 20, Pa. WEHTJE. Ernst J. Box 269, Malmo 1, Sweden (AB Ifoverken & Skanska Cement) WEHTJE, Karl Fredrik A/B Rorstrands Porslinsfabriker Lidkoping, Sweden WEI DEL. Robert A. (G) 497 Apple Orchard Lane Webster. N. Y. (Bausch & Lomb Optical Co.) WEIDENBAUM, Sherman S. (G) 154 W. Third St., Corning, N. Y. (Corning Glass Works) WEIDMAN, V. Wesley (R) 201 Duncan Ave., Wilmington 3, Del. (E. I. du Pont de Nemours & Co., Inc.) WEIGEL. Robert C. (R) 820 Woodlawn, Mexico. Mo. (Mexico Refractories Co.) WEIL. Edgar H. (E) Vitreous Steel Products Co. Box 3991. Cleveland 20, Ohio WEIL, 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. Wabash Ave., Chicago, 111. WEINFURTNER, E. M. (R) North American Refractories Co. National City E. Sixth Bldg. Cleveland 14, Ohio R oster 97 W EINSTEIN, Alex (G) 200 N. Water St., Peekskill, N. V. (EdnaLite Optical Co., Inc.) W EINTRITT, Donald J. (B) 5122 Pine St., Bellaire, Texas (Baroid Div., National Lead Co.) W EISE. Robert L. (G) 6 E. Second St., Logan, Ohio renerai Electric Co.) ER, Rosabel V. (W) 253 S. Brady St., DuBois, Pa. (Jeffers Electronics Div.) W E I SK E , Ino ( S i t Box 353, Mission. Texas (Valley Brick & Tile Co.) W E I S S . E. Joseph ( BI ) Dept of Ceramic Engineering University of Texas, Austin, Texas WEISS. W. Russell (R) Wellsville. Mo. (Wellsville Fire Brick Co.) WEISSMANN, Theodore S. (R) 298 Red Maple Dr., S., Levittown, N. Y. ( Svlvania Electric Corp.) WEISZ. Robert S. (B) RCA Laboratories, Princeton, N. T. WELCH. A. Philip (BI) 912 Grand Ave.. Ames, la. (Iowa State College) WELCH. James S. American Ceramic Society 4057 N. High St., Columbus 14, Ohio WELCH. Richard L. (R) Dominion Firebrick & Clay Products, Ltd. . Clavbatik, Sask., Canada WELDN. Thomas D. (R) E. I. du Pont de Nemours & Co. Inc. 5215 Kennedy Ave., East Chicago, Ind. WELLER, Harvey C. (G) Surface Combustion Corp. 2375 Dorr St., Toledo 1, Ohio WELLING, Charles E. (R) Ford Motor Co., Scientific Lab. Engr. Staff, Box 2053, M B Station Dearborn, Mich. LLS. A. A. (W F) Homer Laughlin China Co. Newell, W. Va. WELLS. J. M. (W1 Homer Laughlin China Co. Newell. W. Va WELLS. Ralph G. (B) United States Steel Corp. 234 Atwood St.. Pittsburgh 13, Pa. WELSHANS. L. T. (R) Diamond Alkali Co., Painesville. Ohio W ELTERLEN. James D. (MJ) 4630 Zane St., Los Angeles 32, Calif. (Gladding. McBean & Co.) WENCZEL, C. (W ) Wenczel Tile Co., Box 908 Trenton, N. J. W ENCZEL T IL E CO. (C. Wenczel) Box 908, Trenton, N. J. WENDT. Nelson E. (W ) American Potash & Chemical Corp 595 Foch Blvd., Williston Park. N. Y. WENGER, A. H. C. Messrs. Wengers Ltd. Etruria. Stoke-on-Trent, England WENNING. W. F. (E l Ceramic Color & Chemical Mfg. Co Box 29". New Brighton, Pa. WF.NTZ. B. B. <S> Beiden Brick Co. 700 W. Tuscarawas St., Canton 1. Ohio WERNER. Alan J. (G) 159 Watauga Ave., Corning, X. Y. (Corning Glass Works) WEST. Frank Haslemere Greenlane Buxton. Derby, England (Derbyshire Silica Fire Brick Co.) 1ST. Howard F. (R) 1400 Caton A\e.. Joliet. 111. (Illinois Clav P-nducts Co.) WEST. Richard R. (B) Box 493. Alfred. X Y. Voi..I N.'1e3u, YNoor.k 1S0tat(e1C0.o)4ll'elge of Ceramics 1 WEST VIRGINIA BRICK CO. (Claude F. Wiseman) Charleston. W. Va. WESTBROOK. J. H. (B) General Electric Co., Rm 324 Research Laboratory, The Knolls Schenectadv, N. Y* WESTERN BRICK CO. (I. R. Cline) Danville. 111. WESTERN CLAY MFG. CO. (A. C. Bray 1 Box 176. Helena. Mont. WESTERN ELECTRIC CO., INC. (J. W. Scott) 7640 Hawthorne Statin:; Chicago 23. Ill W ESTERN ELECTRIC CO- INC. (W. J. Scott) 2525 Shadeland Ave. Indianapolis 6. Ind. W ESTERN FELDSPAR M ILLING CO. (J. W. Magnuson) Box 671 Salida, Colo. WESTFALL. Emmett' M. Box 126. Alfred. X. Y. WESTINGHOUSE ELECTRIC CORP. (John D. Harnish, Tr.) Derrv, Pa. WESTLAKE. C. Rogers (W) Box 454. Antioch, 111. ( Pickard Inc.) WESTMAX. A. E. R. (RF) Dept, of Chemistry Ontario Research Foundation 43 Queen's Park Crescent Toronto 5, Ont., Canada WESTMONT, O. B. (R) Johns-Manville Products Corp. Lotnpoe, Calif. WESTON. Ralph H. (SI) Arketex Ceramic Corp., Brazil. Ind. WEYL. Woldemar A. (GF) Dept, of Mineral Technology Pennsylvania State University State College, Pa. WHALEN, Thomas J. R. R. 1, State College, Pa. WHEELER, D. D. (W) Titanium Alloy Mfg. Div. I l l Broadway, New York 6. X. Y. WHEELER. William H. (MI) Box 57, Chesterton, Ind. (Gary Steel Works--United States Steel Corp.) WHEELING STEEL CORP. (Ernest B. Snyder) Steubenville South Plant Steubenville. Ohio WHERRY. Allen P. (E ll 9652 Oakdale Rd., Parma 29, Ohio (Hunter-Thomas Assoc.) WHICHER, William C. 224 Ash, Ames, la. WHITACRE, D. D. (R) Whitacre-Greer Fireproofing Co. Waynesburg. Ohio W H IT A C R E-G R E ER FIR EPRO O FIN G CO. (D. D. Whitacre) Waynesburg, Ohio WHITACRE, Maxwell L. (M) Carborundum Co.. Buffalo Ave. Niagara Falls, X. Y. WHITAKER. Fred A. (WL> 64 Linden Ave., Metuchen. X. J. (General Ceramics Corp ) WHITAKER. H. __ Rustless Iron Co.. Ltd, Trico Works. Keighley. England WHITAKER. L. R. (SF1) Carolina Ceramics. Inc., R. R. 3 Columbia, S. C. W HITE. Frank L. (G) 15117 E. Vernor Highway. Apt. 11 Grosse Pointe Park 30. Mich. (Ford Motor Co.) W HITE, George D. (R) Box 474, Norris, Tenn. (Carbide & Carbon Chemical Co.) W HITE, Harold E. (RFI) R. R. 6. "Windy Knoll." Butler. Pa. (Lava Crucible Refractories Co 1 WHITE, J. F. (G) 9208 Adelaide Rd., Bethesda 14, Md. (U. S. Government) WHITE, Jonathan S. (W) 1302 Singer PL. Wilkinsburg Pittsburgh 21, Pa. ( Stupakoff Ceramic & Mfg. Co.) Di\. Carborundum Co.) W HITE. OMara (G) 642 Fairmont Ave., Westfield, N. J. (Carljorundum Co.) WHITEHEAD. Merlin H. ( E) Columbian Enameling & Stamping Co. Terre Haute. Inti WHITESELL. Lysie E. (R) WelUville. Mo t Wellsville Eire Brick Co.) W HITFIELD, Robert E. (R) Chas. Taylor Sons Co.. Box 58 Annex Station. Cincinnati 14, Ohio WHITFORD. William G. (DF) Box 38, Olympia Fields. 111. ( University of Chicago) WHITNEY. Eugene H. (R) Gladding, McBean & Co. 945 Elliott Ave., W., Seattle 99, Wash. WHITNEY, John B. (E) 17426 Norton Ave., Lakewood 7, Ohio (Ferro Corp.) WHITTAKER, Clyde M. (W) Box 960, New Castle, Pa. (Universal-Rundle Corp.) WHITTAKER, G. Ward (W) 28 Meade Rd., Ambler, Pa. (Universal-Rundle Corp.) WHITTAKER, Harry (G) American Rock Wool Corp. South Plainfield, N. J. WHITTEMORE. J. W. (SFI) Virginia Polytechnic Institute Blacksburg, Virginia WHITTEMORE, O. J. (S) Vincent Clay Products Co., Box 603 Fort Dodge, la. WHITTEMORE, O. J., Jr. (RI) Norton Co., Worcester 6. Mass. WHITTEMORE, Russell G. (G) Pittsburgh Plate Glass Co. One Gateway Center, Pittsburgh 22, Pa. WICKS. John Simison <W) 333 New Lenox Rd.. Pittsfield, Mass. <General Electric Co. I WIDEMAXX. R. V. Institut de Cramique Franaise 6 Grande Rue Sevres, Seine Oise, France WIKER. Richard M. (G) 206 Rand Ave.. Painted Post, N. Y. (Corning Glass Works) WILANSKY, Harold (G) 67 Sterling St., Corning, N. Y. (Corning Glass Works ) WILCOX. Herman G. (R) 800 Ross Ave., Pittsburgh 21, Pa. (Harbison-Walker Refractories Co.) WILCOX, James W. (S) Alliance Clay Product Co. Alliance, Ohio WILD, William A. P. Albion Clay Co.. Ltd., Woodville Nr. Burton-on-Trent, England WILDER, David R. (BJ) 1212 S. Third St., Ames, la. (Ames Laboratory-Atomic Energy Commission) WILHELM, William J. 318 Centre St., East Mauch Chunk, Pa. WILKE, William P., I ll (G) Hammond Lead Products, Inc. 5231 Hohman Ave., Box 912 Hammond, Ind. WILKES. Gordon B. (RF) Box 131. East Orleans, Mass. WILKINS. E. D. Kaiser Bauxite Co. Spur Tree, Jamaica. B. W. I. WILKINS, Ian Hugh (EJ) 27 Prince Charles Dr. Oakville, Ont., Canada (Ferro Enamels (Canada) Ltd.) R oster 99 'IH J . > WILLEMS. H. \V. V. (G) 1513 Pacific Ave., Brackenridge, Pa. (Pittsburgh Plate Glass Co.) WILLIAMMEE. G. Darby (R) R. R. 6. York, Pa. (J. E. Baker Co ') WILLIAMS, Alan B. (RI) 920 Monte Sano Ave., Augusta, Ga. (Babcock & Wilcox Co.) .LIAMS. Arthur E. (G 1214 Eighth St., Moundsville, W. Va. (Fostoria Glass Co.) WILLIAMS. Charles lE Jl 8321 14th Ave., Apt. 102 Hyattsville. Md. (National Bureau of Standards) WILLIAMS, Clyde (RF) Battelle Memorial Institute 505 King Ave.. Columbus 1, Ohio WILLIAMS. Francis J. (M) Baroid Sales Div.. National Lead Co. Box 1675. Houston 1, Texas WILLIAMS. Gordon R. (X) Box 186, Florence. Ala. (Stvlon Southern Corp.) WILLIMS, Harry M. (W) Locke Dept.. General Electric Co. Charles & Cromwell Sts., Baltimore, Md. WILLIAMS. John A. (W ) Box 250, Trenton 2, N. J. (Mitchell-Bissell Co.) WILLIAMS, John C. (W) . Franklin Manor. Apt. 3-J2 Morristown, N. J. (Bell Telephone Labs) WILLIAMS. Leroy L., Jr. (E JI) ` 1143 Covert Ave., Apt. B-5 Evansville, Ind. (Seeger Refrigerator Co.) WILLIAMS. Lloyd D. (G) Corning Glass Works, Danville, Kv. . WILLIAMS, Robert A., Jr. (W ) American Encaustic Tiling Co., Inc. Ninth St. & Kenilworth Ave. Lansdale, Pa. LIAMS. Robert B. (WO 1107 Westwood Ave. Chattanooga. Tenn. (American Lava Corp.) WILLIAMS, Robert M. (RI) 5809 Royal Oak Ave., Baltimore, Md. (General Refractories Co.) WILLIAMS, Walter E. (MI) New Castle Refractories Co. New Castle, Pa. W ILLIS. James B. (E) 1355 Crofton Rd., Baltimore 12. Md. ( Pemco Corp.) ' WILLMORE, Tracy A. (R) 1118 \V. Illinois St., Urbana, 111. (University of Illinois) WILLMS, Albert E. (M) 476 Parker Ave.. Hackensack, N. J. (Whittaker. Clark & Daniels, Ine.) WILLS, Robert E. (R) Box 220, Coal City, Illinois (Illinois Clay Products) WILLSON PRODUCTS, INC. ( Thoma* A. Willson) Box 622 Reading. Pa. WILLSON, Thomas A. (G Willson Products. Ine., Box 622 Reading, Pa. WILSON, Calvin S. (G Libbey Glass Div. Owens-Illinois (dass Co. Toledo 1, Ohio WILSON, Charles L. (S 217 X. Meridian St.. Brazil, Ind. (American Vitrified Products Co.) WILSON. George (Ri 131 Edison Ave.. New Castle, Pa. kfNew Castle Refractories Co.) (SOX, Hugh H., Jr. ' Clemson College. Olin Hall Clemson. S. C. WILSON, John R. V o l4.25 NeNwoY. o1rk0 A(1ve9.0. 4C)lairton, Pa. WILSON, Maurice S. (R) WOOD, Kenneth T. (R) Spring Lake Rd., Wallingford. Conn. 102 Grace Blvd., Painted Post, N. Y. (American Refractories & (Corning Glass Works) Crucible Corp.) WOOD, Lewis C. (R) WILSON, Ray H. 1219 E. Fourth S. Shaw AF Base. Box 106. Sumter, S. C. Salt Lake City 2, Utah WILSON, Robert Charles (WI> (Kennecott Copper Corp.) Glendale Manor Apts., Apt. 4A WOOD, Llewellyn, Jr. (S) Pleasantville. N. J. Carrington Woods, Milledgeville. Ga. (Lenox. Inc.) {Oconee Clay Products Co.) WILSON, Roger E. (R) WOOD, Russell K. (WI) Box 958, Alfred, N. Y. 3900 E. California St. (Air Force Project, Alfred Cniversitv) Pasadena 10, Calif. WINBURN, H. L.- (S) ' (Wallace China Co., Ltd.) Box 1369, Little Rock, Ark. WOODRUFF, Ernest W. (R) (Winburn Tile Mfg. Co ) 910 Custer Ave., Evanston, 111. WINCHELL, Richard (R) (Refractorv Products Co.) 16 A Glenwood Ave. WOODS, C. J. (E) Jersey City 6, N. J. North American Philips Co., Inc. (Seaboard Refractories Co i Research & Control Instruments Div. WINDISCH, Robert P. CD) 750 S. Fulton Ave., Mt. Vernon. X. Y Roseville Pottery. Inc. WOODS, William J. (W) Zanesville. Ohio Box 627, Lewistown, Pa. WINEMILLER, William F. ( R ) (Pennsylvania Pulverizing Co.) 11 Ardmore Road, Worcester 9. Mass. WOODS, William J., Jr. (W) (Norton Co.) Pennsylvania Pulverizing Co. WINKEL, M. Lee (S) 140 Stanwix St., Pittsburgh 22, Pa Champion Brick Co. WOODVILLE LIME PRODUCTS CO- 7600 Pulaski Highway (J. Robert Cowell, Jr.) Baltimore 6, Md. 2140 Jefferson Ave., Toledo 2, Ohio WINSH1P, Lee C. (G) WOODWARD, Roger (I) Sylvania Electric Products, Inc. 861 Euclid Ave., Elmira, X. Y. Emporium, Pa. WOODWARD, Thomas R. (W) W IN SHIP, William \V. (W) 2558 Oakwood Ave., Zanesville, Ohio 38 Shonnard Ave., Freeport, N. Y. ( Elgee Potteries, Inc.) W IN SHIP. William W-, Jr. (G) WOOLDRIDGE, Morris L. (S) Thermal Syndicate, Ltd. 7531 S. Perry Ave.. Chicago 20, 111. Lynbrook, N. Y. (Universal Wheel & Abrasive Corp.) W INTER, Aniuta WOOLEY, Seward E. (RI) Institut d 'optique Thorique 6 Westbury Bldg., 66 E. Cliff St. et Applique, 3, Bld Pasteur Somerville, N. J. Paris (15) France (Johns-Manville Research Center) W INTER, William E. (MJ) WOOTEN, Richard M. (W J) 2370 Bensonia Ave.. Pittsburgh 16, Pa. 10 Columbia Ave., Vineland, N. J. WISCONSIN PORCELAIN CO. (Kimble Glass Co.) (L. A. Stohl) Sun Prairie, Wise. WORCESTER ROYAL W ISE, L. G. (X) PORCELAIN CO., LTD. E. I. du Pont de Nemours & Co.. Inc. (Joseph F. Gimson) Chemical Dept., Experimental Sta. Royal Porcelain Works Wilmington. Del. Worcester, England WISEMAN. Claude F. (S) WORCESTER, W. G. (XFI) West Virginia Brick Co. 720 Sask. Crescent E. Charleston, W. Va. Saskatoon, Sask., Canada WISHOX. Berhl E. (I) WORK, Lincoln T. (M) 1436 S. Fourth St., Columbus 7, Ohio 15 N. Crescent, Maplewood, N. J. W ISHOSKI, I. Stanley (R) (Consulting Engineer) Industrial Heating WORTHINGTON CORP. 1400 Union Trust Bldg. (Herbert E. Gatlison) Pittsburgh 19, Pa. Industrial Mixer Div. W ISNYI. Leonard G. Plainfield, N. J. 14 Simplex Ave., New Brunswick, N. J. WORTLEY, G. W. W ISS. J. E. (MFI) R. & A. Main, Ltd.. Gothic Works 1339 Lincoln Rd., Columbus 12, Ohio Falkirk, Scotland (Consultant) WRIGHT, Edward P. (MI) WITMER, Frank (G) 612 W. Main St., Woodville, Ohio Box 387, East Liverpool, Ohio (New Castle Refractories Co.) (Ohio Lime Co.) WRIGHT. H. D. (M) WITSCHEY. Ray A. (R) Endevco Corp., 689 S. Fair Oaks Ave. A. P. Green Fire Brick Co. Pasadena 2, Calif. 122 S. Michigan Ave., Chicago 3, III.WRIGHT. Harold D. (RJ) W ITTER, Raymond B. Apto. 4092--Correo del Este Chacaito-Caracas. Venezuela (Fabrica de Productos Ceramicos) WITUCKI, Robert M. (G) 832 W. Foster Ave., State College, Pa. (Pennsylvania State University) 3106 Floyd St., Ashland. Ky. (North American Refractories Co.) WRIGHT, J. E. Messrs. A. G. Hackney & Co., Ltd. Fairfield Pottery. Hanley Stoke-on-Trent, England WRIGHT, J. W. (GI) 1129 Warren St., Alton, III. WITZEMANN, A. W. (W) 207 Franklin Ave., Kittanning, Pa. OE ljer Co.) Owens-Illinois) WRIGHT, Jack (D) University of Omaha WOMELDORPH, R. C. (G) Dept of Fine Arts 151 Riverview Dr., Newark. Ohio 60th & Dodge Sts.. Omaha, Nebr. (Owens-Coming Fiberglas Corp.) WUELLNER. Joseph F. (E) WOXGSOREDJO, Rasmadji 1602 Galion Ave., Cleveland 9, Ohio Box 221, Alfred, N. Y. (Ferro Corp.) WOOD. Clifton E. (S) WURTZ. John G.t Jr. (X) Box 92A, Smith Neck Rd. Pacific Coast Ceramic Sew s South Dartmouth, Mass. 509 S. Beverly Dr. (Corndl-Dubilier Electric Corp.) Beverly Hills. Calif. R oster 101 r WYATT, Bradley W. (S> Pacific Clay Products 9500 S. Norwalk Blvd Lo? Nietos, Calif. WYCKOFF, W. R. (R) Joseph Dixon Crucible Co. Wayne St., Jersey City 3, N. J. Y^^^VCT, James F. (BI) ^(B randard Oil Co. (Indiana) Engineering Research Dept. 2400 New York Ave.. Whiting, lnd. WYSOR, D. C. (R) General Chemical Division Allied Chemical Dye Corp. 40 Rector St.. Neu York 6. N. Y. y YAMAGUCHI, Mitsui. iWl 72 Oakwood Ave.. Arlington. N. T (Noritake Trading Corp.) YAMAMOTO. Hideo (G) 305 W. 89th St., New York 24. X. Y. (Asahi Glass Co.. Ltd.) YAMASAKI, Kazuo Chemical Institute, Science Faculty Nagoya University Chikusa, Nagoya, Japan YAMAUCH1, T. Tokyo Kogyo Daigaku (Tokyo Institute of Technology) Ookayama, Meguro-Ku, Tokyo, Japan YARTE, Andrew A. (E) Apartado 486, Monterrey, XTL., Mexico (Productos Cermicos. S. A.) YAVORSKY, Paul J. (B) Me Danel Refractory Porcelain Co. Beaver Falls, Pa. YAW IT2, Murray (G) Fish-Schurman Corp. 70 Portman Rd., New Rochelle, N. A*. YEATER. Roy G. (G) Fostoria Glass Co.. Moundsville, W. Ya. fIK l. Bumpei Asahi Glass Co., No. 1 Benten-cho Tsuru mi-Ku, Yokohama. Japan YOUNG. David A. (S) Cloud Ceramics, Concordia, Kansas YOUNG, Howard S. (B) R. R. 1, Chadds Ford, Pa. (E. I du Pont de Nemours & Co.. Inc.) YOUNG. James John G. Stein & Co. Ltd. Manuel Works, Linlithgow, Scotland YOUNG. James E. (X) Armour Research Foundation 3417 Federal, Chicago 16, 111. YOUNG, John C. (G) Portuguese Bend Club Portuguese Bend, Calif. -(Havward Scientific Glass Corp.) YOUNG. Lloyd G. (G) Corning Glass Works, Main Plant Glass Tech., Corning, N. Y. YOUNG, Robert W. (G) American Optical Co. Glass Research Lab. Southbridge, Mass. YOUNG, Stanley H. (Rl) Cleveland Quarries Co., Amherst. Ohio YOUNG, Vincent M` (G) Bausch & Lomb Optical Co. Rochester 4, N. Y. YOUNG, Willard G. (W I) W. A. Case & Son Mfg. Co. Robinson, 111. YOUNG, W. O. (W I) Box 575. Honeoye Falls, N. Y. (Victor Insulators, Inc.) YOUNGBLOOD, Charles J., Jr. (G) Mississippi Glass Co. 88 Angelica St., St. Louis 7, Mo. YOUNT, Richard V. (G) Solvay Process Div. Allied Chemical & Dye Corp. Syracuse, N. Y. YUNG, Lim Heng 906 S. Fourth St., Champaign, 111. YUTZEY, Marvin G. (D) Fostoria Glass Co., Moundsville, W. Va. z ZAHN. William A. (W) 10 Church St., Matawan, N. J. (Atlantic Tile Mfg. Co.) ZAHNISER, Geo. B. (W) Shenango China, Inc., New Castle. Pa. ZAXOWIAK, Peter P. (S) 515 S. E. 2lst St. Mineral Wells, Texas (Texeramics Co.) ZAPFE. Richard C. (W) 162 Penfield St., Pomona, Calif. (Pomona Tile Mfg. Co.) ZAPFFE, Carl A. (E) 6410 Murray Hill Rd. Baltimore 12, Md. (C. A. Zapffe & Associates) ZARBO, George (G) 2638 Latonia Blvd.. Toledo 6, Ohio (Kimble Glass Co.) ZAVIS, Lewis (\V) 11012 S. Chanera. Inglewood, Calif. (H. F. Coors) ZAWTSTOWSKI, Arthur V. (W I) 904 Ohio Ave., Trenton 8, N. J. (R. C. A. Victor Div.) ZEILLER, Irwin F. (M) 150 Mason Dr., Flower Hill Manhasset. Long Island, N. Y. (B. F. Drakenfeld & Co., Inc.) ZERFOSS. Samuel (RF) Crystal Branch, Code 6433 Naval Research Lab. Washington 20. D. C. ZICKEFOOSE. Ellis J. f R > Griffin Wheel Co. 445 X. Sacramento Blvd., Chicago, 111. ZIEGFELD, Robert L. (M) Lead Industries Assn. 420 Lexington Ave. New York 17, X. Y. Z1MAR, Frank (G) Corning Glass Works Main Lab., Corning, N. Y. ZIMMER, David C. (W I) 223 Chelsea St., Sistersville, W. Va. ( Paden Citv Pottery Co.) ZIMMERMAN, William F. (B) 3836 McXicholas St. Cincinnati 36. Ohio (General Electric Co.. Gas Turbine Div.) ZINK. George H. (E l) A. O. Smith Corp. 3535 N. 27th, Milwaukee, Wise. ZINK, Harold F. (G) Owens-Illinois Glass Co. 1700 X. Westwood, Toledo 1, Ohio ZLOTNICK. Herbert Raytheon Mfg. Co., Research Div. Waltham 54, Mass. ZXE1MER, Joel E. (W JI) 40A Chester Circle, Raritan Gardens New Brunswick, NT. J. (General Ceramics Corp.) ZOLLMAN, James A. (XJ) 1221 Penrod Ave. S. E., Roanoke, Va. ZUDXAK, Stephen J. (W) Box 1599, Trenton, N. J. (General Porcelain Co.) ZUMWWLT, Donald A. (E) 6904 E. Slauson Ave. Los Angeles 22, Calif. (California Metal Enameling Co.) ZVANUT. Albert J. (B) Lincoln Electric Co. 22801 St. Clair Ave., Box 3115 Cleveland. Ohio ZVANUT, Frank J. (E l) 14533 Bayes Ave., Lakewood, Ohio (Godfrey L. Cabot, Inc.) ZW'ERMANX. Carl H. (BFI) 806 W. Main St.. Robinson, III. ZWETSCH, Artur Villerov & Boch Mettlach;Saar. Germany Addenda BARDSLEY, James J. (RJ) 133 E. Third St., Corning, N. Y. (Coming Glass WTorks) CHAT, Ki-Kon Grove City College. Ketler Hall Grove City. Pa. CLOWES. E. J. (W) Clowes Ceramic Corp. 3711 Calhoun Ave., Chattanooga, Tenu. EICHBAUM, Badane R. 195 Bevier Rd., New Brunswick, X. J. XON, John D. (R) 3440 Gallatin Rd., Toledo, Ohio (Owens-Illinois Glass Co.) HA U B EIN . Wendell L 708 W. 12th St.. Rolla, Mo. Vol. 33, No. 10 ( 1054) KEEFER, George E. (G) Owens-Illinois Glass Co. 14th & Adams St., Toledo, Ohio KALLAUNER, Otakar rv Katedra Vvsoke Skoly Stavitelstvi Brno, Czechoslovakia KERR. John M. 1008 S. Fourth St., Champaign. 111. O'HARE, Charles A. (Wr) American Cyanamid Co. 30 Rockefeller Plaza New York 20, N. Y. REED, A. J. (X) 8602 W'itkop Ave. Niagara Falls, X. Y. SAUNDERS. Richard A. (S) 2556 Larwood Dr.. Charleston. W. Va. <Charleston Clay Products Co. SPAIN. Richard W\ (G) 2315 Drummond Rd., Toledo, Ohio (Owens-Illinois Glass Co.) THUNHORST, Helen M. Box 457, Alfred, N. Y. WACHTMAN. John B., Jr. (B) 2614 Cathedral Ave., Washington, I). C. (National Bureau of Standards) WARD, John B. (D) Corning Glass W'orks, Corning, N. Y. WELTE. Ralph J. (S) Summit Pressed Brick & Tile Co. Box 533, Pueblo, Colo. WRIGHT, Thomas S. (R) 485 Monterey, Lionview P. O. North Vancouver, B. C., Canada <Fairev & Co. Ltd.) R oster 103 National Institute of Ceramic Engineers Membership Roster Member G rade 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. Arnold, Howard C. Arnold, Thomas M. Arrance, Frank C. Austin, Chester R. Austin, J. L. Aydelott, Elliott C. Babcock.P a u l R. ':Bailey, Floyd Bair, George J. Baldauf, Earl E. Baque, Harold W. . Barringer, Lawrence E. Baumann, Henry N., Jr. 'Beals, M. Douglas - Beam, James R. /Beck, Roy D. 'Beecher, Milton F. Beeton, Earl E. / Bennett, A. Lee ' Bennett, Dwight G. Bennett, Myles P. : Berkelhamer, Louis H. /Beta, George C. ARaymond E. urn, A. Reif William V. . Henry H. Blessing, Robert Lee , Blume, Arthur J. 'Blumenthal, George Boeker, V. W. Bognar, Edwin J. . Bollinger, Robert H. Booze, M. C. 3owne, Martin S. Boyd, John E. Boyd, Robert C. Bradley, R. S. ' Bradwell, Cyril Bramlett, William P., Jr. Brandt, William O. Brown, Donovan P. Brown, Lawrence H. Brownell, Wayne E. Brush, George D. Bryant, Eugene E. Buckner, O. S. Burchfiel, B. M. Burdick, Milton D. Butler, C. Edward. Jr. Cahoon, G. J. Caito, A. M. Callahan, H. D. Callinan, Edward E. Campbell. Robert M. Carruthers, John L. Carter, F. B. Carter, Herbert D. Cartwright, S. V. Cavanaugh, D. J. Cayford, James M. Christman, H. M. Clare, Robert L. Clark, John D. Clemens, Eugene C. j M k Robert W. William W. ^ H ^ S a n d io r d S. Coleman, Robert L. Collins, Paul F. Collins. William G Commons. Chari e- H. JrConover. Rav C. Vol. 33, Xo. 10 (1954) Contardi, William A. Cook, Ralph L. Cordes, John E. Couch, Albert H. Cramer, W. 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. Dressier, Philip Drouhard, W. J. DuBois, H. B. Duckworth, Winston Eagle, J. Eugene Easter, George J. Eggleston, Mvron M. Ehman, Roy G. Eitel, Wilhelm Elder, John C. Ellard, Earle R. Emrich, Emerson W. Everhart, J. O. Fabianic, William L. Fahrenbruck, William O. Failmezger, Howard Fallon, Frank J. Fay, Wayne X. Feagin, Rov C. Fellows, R. L. Fels, C. G. Fessler, A. H. Fitzgerald. Alex E. Fleming, Charles A. Flint, E. P. Flint, Francis C. Foraker, Robert W. Ford, Walter D. Frahme, Herman H. Frame, Dudley P.. Jr. Francisco, Allen C. Fraser, Lewis H. D. Fraser, Orray T. Frazier, J. Earl Frechette, Van Derek Frederick, C. L. Freeman, Charles A. French. Preston W. Fritz. E. H. Fuller, Richard B. Fulmer, Raymond C. Funnell, John E. Gallup, John Garve, T. Walter Gaskins, W. W. Gautsch, Murrav C Geiger, Charles F. Geller, R. F. Gerster, C. W. Gibson. R. L. Gill, Joseph W. Gill, LaVerne X. Gitter. Alice Josephine Glaze, Francis W. Goodrich, Hobert R. Gould, Robert E. Green, R. S. Gregorius, J. S. Grigg, Paul E. `Hagar, Donald Hallett, Crawford 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, Perry 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 Horning, Roy A. Hornung, Martin R. Hossenlopp, Arthur M. 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, Coliin Irvine, George C. Ives, 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, VY. Raymond 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. Kriegei, W. Wurth Kronman, Samuel J. Kuechler, A. H. Kunzman, Edward E. Laird, Charles Lambe, C. M. Eambertson. Wingate A. Lane. Richard 0. Lannes. Eugene M. Latimer, Horact 1.. Lee, P. William Leibson, Jacob > Lesar, Albert Lewis. Gordon E Ligon, Elmer R. Liine>. Robert \Y. Lindsay. Carey E. Lintz, Elmo H. Lobaugh. Frank E. Louden, R. H. Lowe, George K. Luks, Daniel W. McCann, D. M. McCollom, Perry 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. W. Magid, H. S. Malm, Arthur T. Mandel, Charles J. Martin, Ralph H. Massengale, Gordon B. Matson, Frederick R. Maupin, Addison Meeka, Edward Merck, Walter J. Merriam, Jack G. Merritt, Clarence W. Merritt. Lester M. Merry, E. B., Jr. Messimer, Laverne A. Metzger, A. J. Michael. Frank L. Miller, Grant E. Miller, Howard L. Miller. John B. Miller, Ru>sel A. Milliken, Edward C. Minton. G. Z. Mitchell, Lane Mitra, H. K. Mohr, William C. Montgomery, Earle T. Moore, Dwight G. Moore, Richard S. Morgan, Stuart F. Morgan, William R. Moser, John L. Mowrey, Fred \Y. Mundy, O. S. Murray, Maurice A. Nelson, Forrest W. Newcomb, Rexford, Jr. Norton, 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. Phillips. James G. Place. Tom M. Planje, Christian W. Roster 105 Plankenborn, William J. Ploetz, Edwin C. Pole, Gordon R. Porst, Edward G. Porter, Frank R. Poste, Emerson P. vaite, D. E. Arthur H. James E. , Alan T. rnor, 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. Roberts. 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. . Russell. Ralston, Jr. ; -.rSantotnien, S. Lewis Sauls, j. B. ');;Schoeninger, Irvin W. rSchoeppel, Norman /Schofield, H. Zane Schotts. Walter H. v :Schroeder, Fred W. .Schurecht, H. G. Schwalbe, F. G. .Schwartzwalder, Karl Scott, Murray Scott, Roger F. tdlow. L. Russel , E. W. L. I. . 5w, Myril C. /A, Shepherd, John F. "" Sherrill. Robert R. -. Sherwood. Robert F. Shevlin, Thomas S. Shimer, J. B. Stegwaid, Oyde R. Silverman, Alexander s Sflverman, William B. Simison, A. L. .. Simpson, Harold E. Skinner, Kenneth G.* Slyh, John A. V':'Smith. C. A. ; Smith, Hillard A. - '.Smith, Kenneth E. Smith, Leland Smoot, Jack M. Snyder, Ernest B. . Solomon, Earl 'i-\ .Sommerville, J. L. Sosman, Robert B. Speil, Sidney 1 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. Sweely, B. T. Swentzel, John P. Sweo, Benjamin J. Sylvester, George R. by, Roland V. e, Frank E. reeaalgue, Jo M., Jr. Tefft, Phillip W. Thiemecke, Harry W. Thomas, David W. Thompson, Oyde L. Vol. 33, No. 10 (1954) Thornton, Paul E. Thurnauer, Hans Toulouse, Julian H. Tredennick, William T. Treischel, C. C. Trostel, L. J. Tucker, Donald J. Tucker, Harvey C. Tucker. Roland E. Turk, Richard H. Turner, P. P., Jr. Twells. Robert Van Vlack. Lawrence H. Vaughan. T Carter Vaughan. W. Harry Walton. S i*. Wr.tt*. Arthur S. Webster, Charles E. Weston. Ralph H. Whitaker. Fred A. Whitaker. L. R. White. Harold E. Whittemore. J. W. Whittemore. 0 . J-, Jr. Williams, Walter E. Wiss. J. E. Worcester, W. G. Wright. Edward P. Wright. J. W. Wygant, James F. Young. Stanley H. Young. VV. O. ^ Young, Willard G. Zimmer. David C. Zink, George H. Zvanut, Frank J. Associate Member G rad e 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. McCann, Sidney W. Mulroy, James P. Schlehr, W. Raymond Sellers, John T. Stolte. Norman H. Tauber. John A. Trabert. Loren A. Vincent, George L. Zwermann. Carl H. Junior Member G ra d e Abemethy, Lonnie L. Alexander, John M. Allen, Richard L. Ames, R. X. Anderson. Harry L. Asevedo. Marcello R. V., de Asher. Glen J. Ault. Neil X. Baab, Kenneth A. Barnes, Harry 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, Seymour Bolon. David G. Bradford. Virgil E. Bradley, Fennimore X. Brant, David G. Breedlove, James G. Bristow, Robert H. Brown, John J., Jr. Browne, Thomas C. "Buchan, M. A. Buckles, Paul E. Burks, Cecil M., Jr. Buih, James W. Bi^teed, Donald J. Caldwell. William D. 1 ' Campbell. Cory V. Carl, John E. Carlson, William G. Carnahan, Thoina> D. Chapman, Frank E., Jr. Charland. Tel L. Clark, Richard E. Cleverly. Robert B. Cole. Sandfortl 5.. Jr. *Cooke, Da\id C. Crookston, James A. Crosby, Donald P. Crowley, Michael S. Curcio, Anthony L. Curran, Robert Daly. Howard J., Jr. Deadwyler, Earnest W. Deignan, Charles J. deProsse, Victor A. de Roux, Juan Ramon Desaix. Herbert A. Deutscher, Jerome S. Dickey, John M.. Jr. Dtugozima. W. R. Donahey, John W. Dora, Joseph C. Dore, James E. Dorn, G. Neal Dorsey, John J. Douglas, Edward A. Dungan, Robert H. Edwards. William R. Elston, Keith Emrich, Harold W. Evans, William W. Farber, Louis G. Faust, Ernest H., Jr. Fellows, Roger L., Jr. Fillmore, Charles L. Fish, E. Thomas Fitzsimmons, Elmer S. Fonvielle. Frank P., Jr. Ford, George D. Forkner, Henry R. Forry, W. J. Franklin, William S. Fulker, Richard H. Fuller, L. R. Furr, Clegg M. Fuszara, Lester T. Garcia-Leal, Ramon Garlick, Philip L. Garvey, Lawrence P. Gates, Daniel W. Giles, James H., Jr. Gill. James A. Gomall, Henry A. Gough, James A. Griffith, William A. Grove. Robert L. Hackler. W. C. Hagan. M. 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. Herko, Edward Hessinger, Philip S. Hitzeman, Roger L. Holdener, Irwin K. Holl, Barton S. Holmstrom. Joseph H. Horton, Paul B. Huettig, Fred R. Hynes, Frank J. Immediato. Robert Jacobson. Edwin Jaffe. Bernard Jelinek. Janies W. Johnson. Alton E. Johnson. George E.. Jr. Johnson. James E. Johnson. James R. Kalman. I-rank R. Karten. \ crumi L. Katz, lo'-cpli M. Kelly.'William J. Kent. \\ illiam B. Kepka. George M. Kershner. \\ illiam G. Kinsman. Bradley Q. Knudsen. Friedrich P. Kyonka. Joseph C. Lachman, Irwin M. LaMaire. Robert V. Laurie. Dominic Lawrence, Walter F., Jr. Leddv, Robert M. Lefort, Henry G., Jr. Lester. Ronald H. Liederbach. William H. Lindquist, Claude A., Jr. Long. Russell E. Longfritz, Robert K. Lorey, Frederick D. Lowe. Earl C. Ludwig. David W. Lunak, Thomas E. Lytle, Jack A. McAllister. Christopher McClave, James W. McClelland, Roland H. McEvoy. Robert J. McGee. Thomas D. McKeen. Richard D. McKinnis. Charles L. McLaughlin, Joseph K. McWilliams, Robert J. Mac Zura. George Manring. Jack C. Marcus, Leon Mattison. William F., Jr. Mayfield, Manville J. Meioy, C. L. Merbler. Wallace Meredith. Neil F. Michelotti, Joseph E. Milliken. John H. Milliken. Joseph E. Moffett. Robert A. Mohantv, Gajendra Nath Mohler, Neal F. Montgomery, Eldwin C. Moody. Willis E. Morena, Alfred Morgan, Robert A. Mornin. Bob L. Moss, LeRoy L. Mueller, Edward E. Mueller. James 1. Muller. Max Nohle. Richard C. Ogden, William D., Jr. Orzano. Michael J. Ottoson, Axel Owens. Robert K. Packman, Willard D. Palmour, Hayne, III Parker, Harry Parson. James A. Patrick, Robert F. IVarch. Howrard C. R oster 107 Pechman. AIexander Pedu, Richard K. Pelz. Robert \Y. Phoenix, Richard C. Pierson, James F. Poland. Milton E. Post. Benjamin F. Rassner, Donald D Rea. Robert F. Rebchook, Gregory V. Reed, Norman D. Rempes, Paul E., Jr. Renskers. Richard H. Reuning, George \V., Jr. Ricci, Edward M. Rice, Hal H. Riegert. Richard P. Robinson, Richard R. Rogers, Melvin F. Root, H. Dean Ross, Paul F. Rous, William C.. Jr. Rowlands. Robert R. Russell, Norman Keith Sadowski, J. Richard Saunders, Alfred C. Scales, John B. Schlack, Richard J. Schneider, Robert K. Schultz. James B. Schwartz, Bernard Schwartz, M. A. Scott, Robert*M. Seckman. Harry D. Semmelman, John O. Shapiro. Howard Shaw, Clarence F. Sheets, Herbert D. Shelley, C. B. Shook, William B. Shopher, Sterling D. Shonkwiler, Francis P. Shulze, Charles E. Siska, Albert H. Skok, John J. Smalley, Howard F. Soderstrum, William K. Sontz, Arthur Soxman, Edwin J. Spangenberg,'William C. Spencer, Howard G., I ll Stalter, Thomas L. Stetson, William C. Stettner, Donald H. Stevenson, James K., Jr. Stoddard, Stephen D. Stoen, Roger C. Stoops, Robert F. Stmdey. Norman Stroupe. Howard E.. Jr. Sullivan, Paul A. Sutherland. Frank R. Tarnacki, Walter J. Taylor, Charles H., Jr. Taylor, Howard U. Thiemann, John W. Thompson. William M., Jr. Thor. Murner E. Tibbals, Harvey L. Tinklepaugh, J. R. Toler. Herbert R. Tostevin. Edgar R., Jr. Townsend. William O. Tripp. Harlan P. Trostel. Louis J., Jr. Troy, H. Neal T<e. Shou-cheng Turhett, Paul E. Turner, Robert C. Twells, Robert G. Unum. Robert F. Updike. George G. Van Aisten, Roy L. Van Der Beck, Roland R. Van Schoik, Dickem M Van Wiggercn, Charles G. Venable, Charles K., Jr. Vera, Francisco Veres, Frank Vitolo, Sylvester A. Vukovich, Milan. Jr. Warren. George Waters, Martin R. Watkins, William E. Weiske. Ino G. Weiss, E. Joseph Welch, A. Philip Wheeler, William H. Wherry, Allen P. Williams, Alan B. Williams, Leroy L.. Jr. Williams, Robert M, Wilson, Hugh H., Jr, Wilson, Robert C. Wishon, Berhl E. Wood, Russell K. Woodward. Roger Woolev, 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 Pressing? Large Supply and Storage Air-Floated Clays Featured KENTUCKY-TENNESSEE CLAY COMPANY Mayfield, Ky. Home of Old M ine No. 4 Ball Clay Alliance, O. Paris, Tenn. Consulting Services 10S R o s t e r More than 5200 people in ihe ceramic Industry look to the Ceram ic Bulletin for authoritative informa tion 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 C eram ic B u l l e t in 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. Volum e 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. Hahner, Karl Schwartzwalder, and W. R. Ken- 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. '=>. ^ (U--aJ <" o :> Cl . I-U , . O ^ j 1 '^ t: CSX tTM1 rsji tu c> \ \