Document JJx651gMKj109eb38YKN9N8zO
ynenean
i'll erttmic
OFFICERS
Prtiidenl Paul V. Johnson Geneva, III.
Prttidtnl-Elect Elburt F. Osborn University Park. Pa.
Pice-Pretidenti: Howard P. Bonebrake Pittsburgh, Pa.
Clair R. Obersc Columbus, Ohio
James S. Owens Detroit, Mich.
Treaturtr Henry H. Blau Columbus, Ohio
rfwra/ Stertiary and Editor k p. Reid
^^^Bbus, Ohio
Committee on Publication:
W. J, Smothers, chairman
Paul R. Jones
,
Edward E. Mueller
Howard F. McMurdie
F. P. Reid
January 1964
Papers
Curing Refractory Castables: It Isn't the Heat, It's the Humidity . 1
J. F. Wygant and M. S. Crowley
Thermal Conditioning of Ceramic Materials............................. - C. J. Phillips and Sam DiVita
6
Pressure Casting Sanitary Ware................................ ............ T. M. Gainer and J. A. Carter
9
' Grinding Low>Soda Alumina..................... . ................................ 13 L. D. Hart and L. K. Hudson
Fabrication of High*Density Calcium Oxide Ceramics................ 18 M. A. Hepworth and J. Rutherford
Cold Crushing Strength of Small Ceramic Pellets......................... 19 Cecil M. Jones, II
Wanapnt Editor
James S. Welch
inittanl Editor
EmmoHne R. Jamr.i
Idoertiiini Manapr
Arthur S. Roschny
idotrtitint Representation VUIlamT. Mohrman, Jr.
437 Fifth Are.. New York 16, N.V. Phone: Murray Hill S-5633 t.B. Cleary Richard E. Cleary, I DC. 19925 Lorain Ave. Cleveland 26, Ohio Phone: 333.3919 antes K. Mlllhouse Palmolive Bldg. 919North Michigan Ave. Chicago 11, 111. Phone: 642-6625
Offices
Executive, editorial, and adoer. dm.4055 North High St., A: 14, Ohio. ^^WAMhent 8-8645 ArTT& T. Teletype CL593 Publication: 20tn 8t Northmpton Sts., Esston, Pa.
Articles
66th Annual Meeting....................
20
ElectroCom (Electronics Division).................................................... 26
R. L. Thekur, Ceramic Abstracter............................................ 27
Denver University Now Offers Graduate Work in Ceramics......... 31
Ceramic Directory.......................
37
Departments
In Print lor Ceramists . 4a Meetings Calendar. . 6a Personal Notes........... 17a Consulting Services 19a, 20a Buyers'Guide...............
20a, 21 a, 22a, 26a, 27a Members on the Move 25a Men and Positions.28a, 29a
Out of the Kiln...... Advertisers' Index-- Meet Our Authors... New Members.......... Roster Changes.......... Schools......................... Sections....................... Names.......................... Necrology...................
30a 30a
22 28 29 30 32 35 36
'CAN CERAMIC SOCIETY BUM.ETIN. January 7,
Vo!. No. I. Published monthly by The Americao Ceramic Society. Printed In the
States of America. Publication OJliet: 20lb aod Northampton Sts., K.tbtun. Pa Editorial and subierifitton ejUrt; The Americao Ceramic Sodety,
High St., Columbus M, Ohio. Subscription $6.00 a year; Foreign postage $2.00 additional. Single copies $2 00 plus postage. Second-class mail privi*
-tborixed at Bastuo. Penoa. Acceptance for mailing at a special rate of postage provided for in Section 1103, Act of October 3,1017, authorized January
'
*: Copyright 1&64 by The American Ceramic Society, Inc
_
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i , j |
SC-EEI-0745
THATCHER GLASS MFG. CO., INC. -C- UK -I TU'.! tin;. refractories: polishing agents anti ahira-ive-. cvmcnl'. welding
Box 265, Elmira, N V.
. rotl coaling material-. rutile, titan.its-- and zircon.,ti- for di
\
Manufacturers of glas> container- fur milk, foods, beverages. Ix-er and liquors; plastic squeeze tubes; also secondary seals and closures. Factories: Elmira, X. V.; Streator, 111.; Lawrence-
electrics; zirconium chemicals: zirconium nict.ils. ferrous mlc) non-ferrous zirconium and titanium alloys.
J. Murray Johnston (Div M i; F. B. Snctlecor ( PI M i; Daniel W.
burg, Ind.; Saugus, Calif.; Tampa. Ida.; and Muscatine, Iowa.
Wheeler (SM I; W. J. Baldwin (Chief CK, Xingaru Falls. N. Y.)-
F F Pollock (Cbm Bd, l'J: H. f. McPherson (E\ VP); Roy S.
Cuntrud Tubin ( PA).
'
Arrandale I VP. U & Engl; U. L. Burd, K. M. DeGarmo. H. E.
TIZON CHEMICAL CORP.
ST 2-4610 (201)
Griffith, J. B. Miller, W. K. Kifenburgh (VPj; C. F. Evans IS,
Flcinington, N. J.
i
j
('util Counsel): P. X. Welir IT, Comp); T. J. Henson ( Dir Pur chases); T J. Deegauil'Al; Marion J. Voss (M. Hi. E: 330(1
THAYER SCALE DIV.,
'
CUTLER-HAMMER, INC. (A)
1 Thayer Park, Pembroke, Mass. 02359
820-2371 (HIT)
Manufacturers of zirconium chemicals including chemically pure zirconium dioxide, zirconyl sulfate, hydrous zirconyl carbonate zirconium hydrate, zirconium acetate, and other specialty zir
conium chemicals. Also produce a line of glass polishing ma terials under the trade names Lustrux*. Tizo.x and Zox for use in finish polishing of opthalmic lenses, TV tube faces, plate glass,
A sales, engineering and manufacturing division of Cutler-Ham
electronic parts and other ceramic materials.
`
mer, Inc Producers of automatic industrial fle.vurc-plate scale equipment for bag and drum filling, batching scales, constant weight feeders, continuous weighing belt scales, and automatic
checkweighing scales.
W. F. Meredith (Clirn Bd. P); D. Mackie I Ex VP. T); F. J.
Kenney (. VP, Sales); G. H. McIntyre. Jr (VP, Tech Din; A. C.
Smith, 111 (S).
..
E: 3(j
Floyd L. Thayer (GM); John F. Mattson (SM); R. Kobotham (AM); L. Roode (PA); Frank Hyer (E).
TOCCO DIV., OHIO CRANKSHAFT CO. D1 1-2300 (216) 3800 Harvard Ave., Cleveland 5, Ohio
Manufacturer of induction heating equipment in frequencies
THERMAL CERAMICS I XDL'STRIES, INC. 623-U2731303)
from 60 cycle to 5 megacycles.
31)33 Blake St., Denver 17, Colo.
YV. C. Dunn (Chm Bd); F. H. Pettav tPl; R. S. Sheets (VP)-
Parent company for the Denver Fire Clay Co., Denver, Colo. Curtis E. Johnson (P, T); Dwight C. Moorhead (VP); Dixie F.
L. C. Schweitzer (VP, GM); P. T. Kilenig (S-T); H. B. Osborn'
Jr. (Mkt M, AM); B.D. Seidel (PA).
'
Sandcfur (S).
TOLEDO ENGINEERING CO., INC. (A)
GR 5-1529
3001 Sylvania, Toledo 13, Ohio
THERMAL RESEARCH & EXG1XEER1XG CORP.
Conshohocken, Pa.
. TA 8-5400 (215) 215-828-3875 .
Combustion and process heating equipment.
L. C. Peskin (Chm Bd, P. T); \V. K. Lombard (VP, SM. AM);
I. Stander (S); P. X. Bohn (GM); D. Cardis(PA).
E: 75
Engineers and contractors serving the glass industry.
C. W. Batchell (Chm Bd, P, S-T); G. B. Seifried (Ex VP. GM.
SM); K. C. Carnes (YrP, GM, SM, PA).
E: 300
TRANSELCO, INC. (C) Box 404. Penn Van, X. Y. 14527
536-3359 (315)
Manufacturers of derivatives of the transition elements, includ
t
THERMOS DIV., K1XG-SEELEY THERMOS CO.
Thermos Ave., Norwich, Conn.
887-1671 (203) 203-887-1084/2
Manufacturer of vacuum-insulated bottles and jugs, and related outdoor living products such as insulated jugs, and chests,
lanterns, stoves, and tents.
ing titanium, zirconium, and the rare earth elements. Products include electronic ceramic titanates, zirconates, titanium dioxide,
. and zirconium dioxide. Also polishing oxide of zirconium and cerium and other zirconium chemicals and metallurgical products.
Robert Y'. Horrigan (P); Andrew Pinkerton, Jr;'fVP): Lloyd S.
Bovier (Y'P, Sales); Joseph Xasca (S); John W. Fitzpatrick
(Prod M).
.
King-Seder: A. X. Gustine (Chm Bd. P); Miss K. M. Conklin (S-T). Thermos Dir.: J. P. Parker (VP, GM); C. O. Duevel,
Jr. (VP, Asst GM); C. H. Peise (VP, Mkt); W. B. Castenholz
TRAXS-TECH, IXC. Box 457, Gaithersburg, Md.
W1 8-3800 (301)
(Comp); J. A. Hamilton (AM); R. M. Elliott (M, Mfg, PI Eng);
Manufacturers of ferromagnetic materials; microwave solid state
W. F. Gilluly (PI M. Laurel Hill I O. W. Sorenson (PA).
materials; and dielectric materials. Complete diamond wheel
machine shop. Research and development program for new
THOMAS INDUSTRIES. IXC. 207 E. Broadway, Louisville 2, Ky.
JU 2-3771 (502) 502-589-2028
developments and advancing the state-of-the-art. Electronic
equipment for quality control measurements.
;
Manufacturers of residential, industrial and commercial lighting fixtures of decorated, bent, flat and blown glass; porcelain reflectors
H. H. Greger (Clirn Bd. P); E. T. Fleming (Y'P, Bd. GM, SM.
AM); D. F. Greger (S-T, PA); R. H. Huntt (CE).
E: 24
and chalkboards.
TRAYLOR EXG1XEERIXG &
434-5101 (215)"
Lee B. Thomas (Clini Bd); John Beam (P); Thomas Fuller,
MANUFACTURING DIV., FILLER CO. 215-797-14S0
Howard C. Prangc, Wallace H. Dunbar, Delbert Wakcmcn,
S. 10th & Mill St., Allentown, Pa. 18105
.
Otis A. Zumwalt (VP): John W. Chodera (Comp); Frank Doyle
(S-T); E. A. Lea (GM, Commercial Ind). Morlithl Dir.:
Howard Stone (PI M, Ky.); C. J. Stuart (PI M, Wise.): Maurv
I'almquist (I'A, Wise).
E: 2600
This division designs and builds kilns, mills, and crushers for the mining, cement, and processing industries.
C. H. Roberts (Y'P); Charles C. Schneck (T); C. W. Spears fSM. Cement & Chem); J. M Sheehan (AM); Douglass J.
THOMPSON, H. I,, FIBER GLASS CO. FA T8080 ( 213)
Bear (PA); Peter G. Knox (Prod M, PI M).
E; 300
1600 W. 135th St.. Gardena. Calif.
213-327-8100
TRENT, INC. (A)
IV 2-5'.tO0 (216)
Manufacturers of aircraft insulation: reinforced plastic com
201 Leverington Ave., Philadelphia, Pa. 19127
ponents for missiles and rockets, plastic and metal bellows, rub
Manufacturer of a fairly complete line of electric- and some gas-
ber insulation parts for aerospace applications; radomes; silica
heated industrial equipment. Over 40(1 sizes of standard batch
fiber, zirconia fiber, carbon fiber and graphite fiber. Research
type ovens and furnaces are available for glass and ceramics firing-
i
i
and development on new; fibers and insulation materials, ceramic structural plastics, rubber and ablative materials and processes.
Conveyorized ovens, furnaces and lehrs also are available in designed sizes. Heated coating kettles and melters as well as
William C. Winterhalter (Chm Bd); Robert M. Daiss (P); Carson E Bonne I Ex VP); Leon Packer (Sr VP, Tech Dir);
metal sheathed strip, cartridge and tubular heaters are also manu factured for use in drying, baking and processing equipment.
T. A. Collins. J. P. Stcrry (VP); L. D Welch VP, M. Matl Con
T; H. Wickwirc (Pi: D. A. Miller (Mkt Ml: Stephen Gibbons
trol, PA I: K.C Rasmussnn (S-T): J. Overton (Comp). E: 1027
(SM'; L. Xawn (PA).
E: 65
THOMPSON, THOMAS C., CO.
ID 2-3231 (312)
1539 Old Deerfield Rd., Highland Park, 111.
Manufacturers of enamel frits for application to copper and precious metals; distributors of kiln, metal shapes and enameling supplies.
I. N. Teeter iP); J. X. Kraft (VP); M. D. Thompson IS); K.
Kraft (T).
E: 22
TRINITY CERAMIC SUPPLY', INC. 9016 Diplomacy Row, Dallas, Texas 75247
ME 1-0540/41
A sales company established in 195') (or distributing and ware housing ceramic frits, colors, clays, opacirtcrs, talc and a rounded
line of other ceramic supplies.
R. L. Campbell (P); E. O. Davidson (Y'P)
E: 7
TWIN CITY BRICK CO. 1407 Marshall Ave., St. Paul 4, Minn.
646-1335 (612)
TITANIUM ALLOY MFG. DIV.,
BA 7-0943 ( 212)
NATIONAL LEAD CO. (C,A) 111 Broadway, New York 6, X. Y.
Manufacturers of zirconia and zircon ceramic materials and
Manufacturers of face brick--standard, modular and Norman sizes--smooth, matt or velour, rug face.
m' C. Madsen, Sr. (P, T); E. YY. Folsom (VP); M. C. Madsen, Jr. (S).
111) Ceramic Bulletin
r
$
I
`Sctif&it (fuide
Mixers, Bitch Puiey iron Works Misers, laboratory
Pu*ej Iron Wur*s
Molds U. S. Gypsum
Mold Senders
Puey Iron Works Molocbite
Paper Maker* Imp-.mug Morur Colors
Columbian Caibuit Cu. Mapico Color L'mi
Williams, C. K.. ic Co.
Muffles Carborundum
Frazier-Simplex MuiLimmi-w alkci Kefractoriej
Mullers, Batch Cleat held Machine Nat'l Engineering
Pu>ey Iron W >rk>
Mullite, Fused
Allied Mineral Products
Muriatic Acid Harshaw Chemical
Hummel, 0. ' Neodymium Salts .
Drakenfeld, B. F. Lindsay Chemical
Nephellne Syenite American Xenheline Int'l. Minerals Chemical
Hammill & Gillespie
Nickel Oxide Black Drakenfeld, B. K
Ferro
Nickel Silt* ^ ,t , , Ceramic Colot i Chemical
Ferro
.
Harshaw Chemical
Hommel. 0. M & T Chemicals
Niter Harshaw Chemical
Hommel, O.
Nitrates (Cobalt, Sodium)
- Ceramic Color & Chemical Harshaw Chemical
Opaelflerv
..
Ceramic Color & t hctmcal
Ferro Gliddco Co., Penico Div.
Harshaw Chemical
.
Hummel. O.
M & T Chemicals
Titaoium Alloy
Ovens
Laoly
Trent, Inc. Palladium, Decorating
Hommel, O.
Pan*, Wet A Dry
Clearfield Machine
Crotsley Machine
PerlcUso
.
Kaiser Refractories .
PeUtlte
Foote Mineral
-
Great Lake* Foundar) Sami
Photo Emulsions
Wire Cloth Enterprises Platinum Decorating
Hommel, 0. Polarlscobes
. Frazier-Simplex Porcelain Enamel Colon
Drakenfeld, B. F.
. Ferro Clidden Co.. Pernc* Div.
Hommel, 0. Shepherd Chemical Potash (Carbonate)
Ferro
,
Harshaw Chemical
Hommel, O.
Potash. Caustic
Hommel, O.
'
Potassium Silicate
Philadelphia Quartz
Potters Spurt Potiers Supply
Potters Stilt*
Potters Supply
Potters Thimble
Potters Supi*l> Pottery Equipment
Wahl, A .1.
Pottery Pins
.
Industrial Ceramic Produets
Potters Supply
Pottery Plasters
Brt*all G>p<um V. S. Gypsum
Pots (Electrically heated)
Trent. Inc.
Presses AC Compact mi; Presses
Cincinnati Sham * Crossley Machine
Loomis Encr. & Mir. M\|ler Equipment
Uni.Dense Mfg
2fia
Producer Gas Plants Frazicr-Stniplc.v
Pump* Cro*sleyMachine Pyrites Harshaw Chemical Hommel, O.
Pyropbylilte V anderbilt, R. T., Co. Quartz
Foote Mineral Rare Earths Davison Chemical Drakeitield, B. F. Lindsay Chemical Refractories . Carborundum Chicago'Wrilsville Fire llrirk Corhart Refracturie* Ferro, Refractories Div. General keiravtorie* Green, A. I'. Fire Brick
Harbi son-Carborundum 1 larbi son -Walker Refractorie*
lohns-Manville Porter, H, K.
.
Taylor, Chas.. Sons
Walsh Refractories
.
Zirconium Corp. of America
Refractories, Alumina (Fused)
Carborundum
.
Corhart Refractories
McDanel Refractory Porcelain
Refractories. Basle Corhart Reiraciories Green, A, I*., Fire Brick Harbison-Walker Refractories Kaiser Refractories
Refractories, Fused Corhart Retractories
Harbison-Carborundum
Walsh Refractories Refractories, Fused Silica Allied Mineral Products Refractories, Insulating Carborundum Green, A. P,, Fire Brick
Harbison-Walker Refractories lohns-Manville Kaiser Refractories Refractories. Molten Cast Corhart Refractories Harbison-Carborundum Refractories, Mullite Carborundum Harbison-Walker Refractories Kemmey Div. A. P. Green Taylor, Chas., Sons Refractories, MulHte-Bearing Carborundum Corhart Refractories Harbison-Walker Refractories Kemmey Div. A. P. Green
Refractories, Ramming Mixes Allied Mineral Products Carborundum Corhart Refractories Harbison-Ca rbonindum Harbison-Walker Refractories Kaiser Refractories Rentmey Div. A. P. Green
Taylor, Chas.. Sons Walsh Refractories Refractories, Silica Green, A. P., Fire Brick
Harbison-Walker Refractories Kaiser Refractories Refractories, Silicate
Carborundum
.
Corhart Refractories
Harbison-Walker Refractories
Refractories, Silicon Carbide
Carborundum
Harbison-Walker Refractories
Kemmey Div. A. P. Green
Refractories, SilUmanite Carborundum
Harbison-Walker Refractories Remmey Div. A. P. Green Taylor, Chas., Sons Walsh Refractories Refractories. Zircon Corhart Refractories Harbison-Walker Refractories Remmey Div. A. P. Green Ta> lor, Chas., Sons Titanium Alloy Walsh Refractories Refractories, Zirconla Bearing Corhart Refractories Harbi nn-Carborundura Remmey Div. A. P. Green
Zirconium Oorp. of America
Refractory Aggregate Grain Allied Minrral Products Carborundum Corhart Refractories Green, A. P., Fire Brick Hammill & Gillespie
Harbison-Carborundum Harbison-Walker Refractories Kaier Refractories M & T Chemicals Refractory Blocks
Carborundum
fyacU
l .uhart Retractories
Scales. Filling
Ureett, A. I', Fire Brick
ilujer Scale Div., Cutler-Hammer
iJarbijam-CiiJborunduiD ,
Scales, Less in Weight
llarbijii-Walker Refractories Porter, H. K. ^ Taylor, Chas., Sous Walsh Refractories
Thajer Scale Div., Cutler-Hammer
'
Screens, Vibrating Deister Concentrator
Mtiler Equipment
Refractory Brick Carborundum
Chicago Wellsville Fire Brick
Curnart Refractories
General Refractories .
Green, A. 1\, .Fire Brick
llafbiaon-Carbdruuduis _
Harbison-Walker Refractories
Kaiser Refractories
Porter, li. K.
Toy lor, Chas., Sous
Walsh Refractories
Refractory Castables
1 larbi son-Walker Refractories
Kaiser Refractories Wal.-h. Rvtravtoi ie-
Refractory Coating Holden, A. F.
.
Refractory Guns AliciiUiwii Pneumatic Gun Co.
Refractory High Alumina Harbisoti-Walker Refractories
Kaiser Refractories Walsh Refractories
Cnt\cral Vibrating Serum
Scrubbers
Hardline
Selenium
Drakcnteld. B. F. Hummel, U. Vanderbilt, R. T., Co.
Separators
,
Jfardtnge Sever Pipe Macblnes
Steele. J. I., Suns
Silica Cabot -
Ferro
Haiiimili \ Gillespie
IV-mi") haiua Glass Sand
Shenandoah Silica . Wedtuu Silica
Whittaker, Clark A* Daniels
Silica, Colloidal
du Pont de Nemours
Silica, Fused
Allied Mineral Products
Hummel, O.
Refractory Materials Aluminum Go. iAnierica Carborundum Refractories Corhart Refractories Greet;. A. P., Fire Brick Harbison-Carborundum Harbison-Walker Refractories M & T Chemicals Ta> lor, Chas., Sons Titanium Alloy Walsh Refractories
Silica, Micron-sized
Pennsylvania Glass Sand
SUicoo Carbide
Carhoi nudum
.
Harbison-Walker Refractories
Slakers, Lime
llaniiuge
Soap Moldmakers
Diakeuield, U. F.
Soda Ash
Refractory Plastics . Harbison-Walker Refractories
Kaiser Refractories Walsh Refractories
Ferro Harsliuvt L'lieiuical Hommel, 0. Pittsburgh Plate Glass
Refractory Setters
Ferro, Refractories Div. Potters Supply
Refractory Specialties
Allied Mineral Products
Corhart Refractories Ferro, Loutban Div. -
Green, A. P., Fire Brick
Harbison-Walker Refractories .
Industrial Ceramic Products
Kaiser Refractories McDanel Refractory Porcelain
Potters Supply
Walsh Refractories
Refractory Tile
Carborundum
Corhart Refractories
Ferro, Louthan Div.
Green, A. P., Fire Brick . _
Harbison-Carborundum
`
Harbison-Walker Refractories
Kaiser Refractories Taylor, Chas., Sons
Wa Islt R c fractoric s
Respirators Ferro
Homntel, 0.
Rutile
Foote Mineral Harshaw Chemical
Hummel, O.
M & T Chemicals Titanium Alloy
Saggers
Carborundum Ferro, Refractories Div. Potters Supply
Salt Cake Harshaw Chemical
Hommel, O.
Samplers, Automatic
Hardinge
Sand, Blasting
Pennsylvania Glass Sand
Sand, Glass
Int'l. Minerals & Chemical Manlj Sand
Ottawa Silica . Pennsylvania GJa.<5 Sand Wedron Silica
Sand, Placing
Manh Sand
Pennsylvania Glass Sand
United Cla> Mines
.
,,
Soda, Caustic
Ferro Harshaw Chemical Hommel, O.
Sodium Acid Fluoride Aluminum Co. of America
Sodium Autimooate
Ceramic Color & Chemical
Ferro Hommel, O.
M & T Chemicals
Sodium Bichromate
Ceramic Color & Chemical Ferro _ Harshaw Chemical Hummel, 0.
Sodium Fluoride
. -;
Aluminum Co. of America
Ferro
*
" *
Harshaw Chemical Hummel, 0.
*
Sodium Metasllicato Ferro Harshaw Chemical
Philadelphia Quartz
Sodium Nitrite Ferro
Harshaw Chemical
Hummel, 0.
Sodium Selenite
Ceramic l olur & Chemical Hummel. O
Sodium Silicate Ferrti
Harshaw Che m ical Hommel. 0.
.
Philadelphia Quant . Sodium SUJcoifuoride Ceramic Color & Chemical Ferro
Harshaw Chemicat Hommel. 0.
Sodium Urinate
Harshaw Chemical
Hommel, O.
-
Spinel, fused
Allied Mineral Products Spodumene
Foote Mineral
Spray Driers
Nichols Engineering & Research Xerco-Xiro Spray Dryer Div.
Spraying Equipment
Ceramic Color & Chemical Chicago Vitreous
Sand, Sandblast Ottawa Silica Pennsylvania Glass Sand
Ferro (Bidden Co.. Pemco Div. Hommel, 0.
Scales Tha>er Scale Div., Cutler-Hammer Scales, Batching Thayer Scale Div., Cutler-Hammer Scales, Belt Thayer Scale Div., Cutler-Hammer
Stains Ceramic Color A Chemicals Drakenfeld, B. F, Ferro Glidden Co.. Pemco Div. Harhaw Chemical
Seales, Cbeckwelgblnf
Hommel. 0.
Thayer Scale Div.. Cutler-Hammer Shepherd Chemical .
Scales, Continuous Welching .
Steatite Bodies _
'
Thaver Scale Div., Cutler-Hammer Silk City Ceramics & Tool
. Ceramic Biu.f.tin
(fade,
"Buyed* (fade
Mixers. Batch l'uey Iron \Norka
Producer Gas Plants Fraztcr-Sinipk.v
lot hart Ketractories Green. A. P, Fire Brick
Scales, Filling 1`hajer Scale Div., Cutler-Hammer
Mixers, Laboratory
Pumps
llarbiron-Cuiburundutn
Seales, Loss is Weight
Po>e> Iron WurK* Molds U. S. Gypsum
Cross leyMacliine Pyrites Harshaw Chemical
I la rbi >on-Walker Refractories Porter, H. K. , Taylor, Chas., Sons
Thaver Scale Div., Cutler-Hammer Screens, Vibrating Denier Concentrator
Mold Sanders I'usey iron Works '
Hommel, 0. Pyropbylllte
Walsb Refractories Refractory Brick
Miller Euuijiment Universal Vibrating Serum
l! *\
Molocbite
Paper .Maker* lnij"-ilin
Morur Colors
.
Columbian C'aibon Co.
Mapico Color Lint.
Williams, C. K., 6: Co.
Muffies Carborundum Frazier-Simplex
Hai biMn-\\ alkci Refractories
Mullers, Batch Cleat held Machine
Nat'l Engineering
l'o>ey Iron Work*
Mullite, Fused Allied Mineral Products
Muriatic Add
Harshaw Chemical
Hummel, 0.
NeodymJum Salts Drakenield, 11, F.
Lindsay Chemical Ncpbellne Syenite American Nepheline t
lnt'1. Minerals Chemical
Hammill & Gillespie
Nickel Oxide Black
Drakenield, B. F.
Ferro
Nickel Salts
.,
Ceramic Coloi & Chemical
Ferro ^
,
Harshaw Chemical
Homme). O.
'
Vanderbilt, R. T., Lo.
Quartz
Foote Mineral
Rare Earths
Davison Chemical . Urukfitteld, B. F.
Lindsa> Chemical Refractories
Carborundum
Chicago'WclDviJle Fire Brick
Corhart Refractories
Ferro, Rctractunes Div.
General kcl'ravi'me# ,,
Green, A. P , Fire Brick
Harbjsoii-Curbonindum 11 arbi son -Walker Refractories
Johns-Manville
Porter, H. K.
Taylor, Chas., Sons
Walsh Reiiuctories
.
Zirconium Corp. of America
Refractories, Alumina (Fused) Carborundum
Corhart Refractories
McDanel Refractory Porcelain
Refractories, Basic
Corhart Refractories
Green, A. IV, Fire Brick
Harbison-Walker Refractories
Kaiser Refractories
Refractories, Fused
Corhart Ketractories
Harbison-Carborundum
Walsh Refractories
Carborundum Chicago WeUsville Fire Brick
Curiiart Refractories Genera) Refractories
Green, A. ]*., Fire Brick Harbison-Carborundum Harbisou-\\ alker Refractories
Kaiser Refractories Porter, It. U.
T;t> lor, Chas., Sous
Walsh Refractories Refractory Castables
Harbison-Walker Refractories
Kai>er Refractories
Mai.-I* Retructoi ie-
Refractory Coating
Holden, A. F.
Refractory Guns
Alictituwii Pneumatic Gun Co.
Refractory High Alumina
I) arbi son-Walker Refractories Kaiser Refractories
WaUh Refractories .
Refractory Materials
Aluminum Co. of America
Carborundum Refractories
Corhart Refractories Green, A. P.t Fire Brick
Harbison-Carborundum
Harbison-Walker Refractories
Si & T Chemicals
.
*l'a> tor, Chas., Sons
Titanium Alloy
Walsh Refractories
Scrubbers
Hardmye
Selenium
Drakemeld. li. F.
Homme), U.
Vanderbilt, R. T., Co.
Separators iiardinge
Sever Pipe Machines
Steele. J. L ., Suns
Silica
Cabot
Ferro
Hammill 4 Gillespie,
Pi-mi-) Duma Glass Sand Shenandoah Silica
Wcdiuti Silica
Whittaker, Clark & Daniels
.
Silica, Colloidal du Pont de .Nemours
Silica, Fused Allied Mineral Products
Hummel, 0.
Silica, Mlcron-stzed Penuj) Ivania Glass Sand
Silicon Carbide
Csrliuiinidum
Harbison-Walker Refractories
Slakers, Lime Iiardinge
Soap Moldmaken
Diakenield, U. F.
Soda Ask
M4T Chemicals
Niter Harshaw Chemical Homme), O.
Nitrates (Cohalt, Sodium)
Ceramic Color & Chemical Harshaw Chemical
Opaciflers
.,
Ceramic Color fle Chemical
Ferro
_,
Gliddeo Co., Penico Div.
Harshaw Chemical
.
Hummel, 0. M & T Chemicals
.
Titaoium Alloy Ovens
Unly Trent, Inc. Palladium, Decorating Hommel, O. Pans. Wet A Dry
Clearfield Machine Crotsley Machine
Perlclxse Kaiser Refractories
PetaUte Foote Mineral Great I^ake* Koundar.' Sand
Photo Bmutsiona Wire Cloth Enterprises
Platinum Decorating
Hommel, O. Polarlscopes
Frazier-Simplex Porcelain Enamel Colors . Drakenfeld, B. F. . Ferro Glidden Co.. Pemc-i Div.
Hommel, O.
Shepherd Chemical
Potash (Carbonate)
Ferro
t
Harshaw Chemical
Hommel, O.
Potash, Caustic Hommel, O.
Potassium Silicate Philadelphia Quartz
Potters Spurs Potters Supply
Potters Stilts Potters Supply
Potters Thimble
Potters Suppl> Pottery Equipment
Wahl, A J.
Pottery Pins
(
Industrial Ceramic Products
potters Supply
Pottery Plasters Be-twall G>p<um
V. S. Gypsum Pots (Electrically heated)
Trent. 1 lie.
Presses At.' Compacting Presses Cincinnati Sham
Refractories, Fused Silica Allied Mineral Products Refractories, IosoUtiof Carborundum Green, A. P., Fire Brick Harbison-Walker Refractories Johni-Manville Kaiser Refractories Refractories, Molten Cast Corhart Refractories Harbison-Carborundum Refractories, Mullite Carborundum Harbison-Walker Refractories Kemmey Div. A. P. Green Taylor, Chas., Sons Refractories, Mulllte-Bearing Carborundum Corhart Refractories Harbison-Walker Refractories Kemmey Div. A. P. Green Refractories, Ramming Mixes Allied Mineral Products Carborundum Corhart Refractories Harbison-Ca rborundum Harbison-Walker Refractories Kaiser Refractories Remmey Div, A. P. Green Taylor, Chas., Sons Walsh Refractories Refractories, Silica Green, A. P;, Fire Brick Harbison-Walker Refractories Kaiser Refractories Refractories, SlUcato Carborundum Corhart Refractories Harbison-Walker Refractories Refractories, Silicon Carbide Carborundum Harbison-Walker Refractories Kemmey Div. A. P. Green Refractories, Slllimanite Carborundum Harbison-Walker Refractories Remmey Div. A. P. Green Taylor, Chas., Sons Walsh Refractories Refractories. Zircon Corhart Refractories Harbieon-Walker Refractories Remmey Div. A. P. Greeti Ta>lor, Chas., Sons Titanium'Alloy Walsh Refractories Refractories, Ztrconla Bearing Corhart Refractories ?larl>inn-Carborundura Remmey Div. A. P. Green Zirconium Corp. of America Refractor? Aggregate Grain Allied Mineral Products Carborundum Corhart Refractories Green, A. P.. Fire Brick Hammill & Gillespie Harbison-Carborundum Harbison-Walker Refractories
Refractory Plastics Harbison-Walker Refractories Kaiser Refractories Walsb Refractories
Ferro
.
Harshaw Chemical
Hommel, O.
,
, Pittsburgh Plate Glaaa '
Refractor? Setters Ferro, Refractories Div. Potters Supply Refractor? Specialties Allied Mineral Products Corhart Refractories . Ferro, Louthan Div. Green, A. P., Fire Brick Harbison-Walker Refractories Industrial Ceramic Products Kaiser Refractories
Soda, Caustic
Ferro
Harshaw Chemical
Hommel, O.
Sodium Acid Fluoride
Aluminum Co. of America
Sodium Antlmooate
.
Ceramic Color fit Chemical Ferro
Hummel, O.
M & T Chemicals
.McDanel Refractory Porcelain Potters Supply
Sodium Bichromate Ceramic Color & Chemical
Walsh Refractories Refractor? TUe Carborundum Corhart Refractories Ferro, Louthan Div. Green, A. P., Fire Brick Harbison-Carborundum Harbison-Walker Refractories
Kaiser Refractories Taylor, Chas., Sons Walsh Refractories Respirators Ferro Hommel, 0. Rutile . Foote Mineral Harshaw Chemical Hummel. O. M & T Chemicals Titanium Alloy Saggers Carborundum Ferro, Refractories Div. Potters Supply Salt Cake Harshaw Chemical Hommel, O. Samplers, Automatic .Hardinge
Sand, Blasting Pennsylvania Glass Sand
Sand, Glass Int'f. .Minerals & Chemical Manl> Sand Ottawa Silica Pennsylvania Gian Sand Wed run Silica
Sand, Placing Manli Sami Pennsylvania Glass Sand United Cla> Mines
Sand, Sandblast Ottawa Silica
Ferro Harsluw Chemical
Hummel, 0.
Sodium Fluoride
. -;
Aluminum Co. of America
'*
Ferro
'
Harshaw Chemical
Hummel, 0.
*
Sodium Metasilicate
Ferro
Harshaw Chemical
Philadelphia Quartz
Sodium Nitrite
Ferro
Harshaw Chemical
Homme!. O.
Sodium Selenite
Ceramic t olor & Chemical
Hummel. O
Sodium Silicate
Ferro
Harshaw Chemical Honmiel. 0.
Philadelphia Quartz
.
Sodium Sillcofluoride
Ceramic Color & Chemical
Ferro
Harshaw Chemical
Hommel, 0.
Sodium Uraaate
Harshaw* Chemical
Hommel, 0.
Spinel, fused
Allied Mineral Products
Spodumene
Foote Mineral
Spray Driers
Nichols Engineering (c Research
N'erco-Niro Spray Dryer Div.
Spraying Equipment
Ceramic Color & Chemical
Chicago Vitreous
Ferro
Glidden Co.. Pemco Div.
Pennsylvania Glass Sand
Seales
Thajer Scale Div., Cutler-Hammer
Scales, Batching
Thayer Scale Div., Cutler-Hammer
Seales, Belt
.
Thayer Scale Div.. Cutler-Hammer
Hommel. O. Stains Ceramic Color A Chemicals
Drakenfeld, B. F. Ferro Glidden Co., Pemco Div. Harshaw- Chemical
-
Crossley Machine
Kaier Refractories
Scales, Cbeekweigbloj:
Hommel. 0.
I .norms Encr. & Mfg.
M & T Chemicals
Thayer Scale Div., Cutler-Hammer Shepherd Chemical
Miller Equipment
Refractor? Blocks
Seales, Continuous Weighing
Steatite Bodies
Uni-Dense Mfg
Carborundum
Thaver Scale Div., Cutler-Hammer Silk City Ceramics & Tool
2fin Ceramic Bcu.etik