ADVERTISERS' PRODUCT GUIDE Fisher Scientific Co. General Laboratory Supply Co. Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co.
Fisher Scientific Co. Em il Greiner Co. Wm. J . Hacker & Co., Inc. Harshaw Scientific Division of Harshaw Chemical Co. Arthur S. LaPine & Co. New York Laboratory Supply Co. Precision Scientific Co.* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Tenso-Lab, Inc. Arthur H. Thomas Co. 227. SAFETY EOUIPMENT American Instrument Co.* Atomic Accessories* Burred Corp. Cole-Parmer Instrument & Equipment Co. Davis Instruments* Electric Hotpack Co.* Erskine-Healy, Inc.* Fisher Scientific Co.* Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Haws Drinking Faucet Co.* Instruments for Research & Industry* Harold Kruger Co.* Arthur S. LaPine & Co. LKB Produkter Fabriksaktiebolag* Meinecke & Co., Inc. New York Laboratory Supply Co.
Nuclear Measurements Corp.* Palo Laboratory Supplies, Inc. Parr Instrument Co.* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Victory Engineering Co.* SAMPLE CHANGERS—see radiation equip ment
ANALYTICAL—see
Arthur S. LaPine & Co. New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Precision Scientific Co.* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Sepor Laboratory Supply Standard Scientific Supply Co. Tenso-Lab, Inc. Arthur H. Thomas Co. W. M. Welch Manufacturing Co. Will Corp.
also
research service Chemaster Labs. Clark Microanalytical Lab. Coast Engineering Labs. William B. Johnson Associates Sadtler Research Laboratories* Horace L. Smith, Jr. Wisconsin Alumni Research Foundation 230. SHAKERS & ROTATORS Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. American Instrument Co.* Andrew Technical Supply Corp.* Burrell Corp.* Central Scientific Co.* Chemical Rubber Co. Chicago Apparatus Co. Clay-Adams, Inc.*
M O W
,
TITRATIONS by AUTOMATION
232. SILICA WARE American Hospital Supply Corp. Burrell Corp. Chemical Rubber Co. Chicago Apparatus Co. Corning Glass Works* Engelhard Industries* Fisher Scientific Co. General Laboratory Supply Co.
Emil Geiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Arthur S. LaPine & Co. New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Phoenix Precision Instruments Co.* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Standard Scientific Supply Co. Tenso-Lab, Inc. Thermal American Fused Quartz Co., Inc.* Arthur H. Thomas Co. W. M. Welch Manufacturing Co.
Will Corp.
228. SCALES—see also balances Mettler Instrument Corp. 229. SERVICES,
V
Kern Laboratory Supply Co.
Make titrations a routine function for lab assistants! Cenco's new Color · Matic Endpoint Detector and Volumatic Syringe enable quick, suc cessive determi nations — just push a button and read a number. Elimi nates human ele ment and drainage er rors. Precise to within a few parts per thousand. Write for Bulletin 285. No. 20925 Color · Matic Endpoint Detector. $595.00 No. 20926 Volumatic Syringe $295.00
CENTRAL S C I E N T I F I C C O . 1 7 0 8 Irving Park Road · Chicago 1 3 , Illinois Branches a n d Warehouses —. Mountainside, N. j . Boston · Birmingham · Santa Clara · Los Angeles * Tulsa Houston · Toronto · Montreal · Vancouver · Ottawa
233. SINKS Alberene Stone Corp.* Aloe Scientific* Division of A. S. Aloe Co. American Hospital Supply Corp. S. Blickman Co.* Burrell Corp. Chemical Rubber Co. Chicago Apparatus Co. Erb & Gray Scientific, Inc. Fisher Scientific Co. General Laboratory Supply Co. Emil Greiner Co. Laboratory Equipment Co. Arthur S. LaPine & Co. Metalab Equipment Co. Palo Laboratory Supplies, Inc. Schaar & Co. Scientific Glass Apparatus Co. Standard Scientific Supply Co. U. S. Stoneware Co.* W. M. Welch Manufacturing Co.
Circle No. 11 A on Readers' Service Card
DO YOU
NEED
CRYSTALS?
Will Corp.
Harry W. Dietert Corp. Eberbach Corp.* Erb & Gray Scientific, Inc. Fisher Scientific, Co.* Emil Greiner Co. J. P. Greiner 8, Co.* Harshaw Scientific Division of Harshaw Chemical Co. Labline, Inc.* Laboratory Equipment Co. Laboratory Glass & Instruments Corp.* Arthur S. LaPine & Co. Microchemical Specialties* National Appliance Co.* New Brunswick Scientific Co.* New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Precision Scientific Co.* Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co. Scientific Industries, Inc.* Sepor Laboratory Supply Standard Scientific Supply Co. Tenso-Lab, Inc. Arthur H. Thomas Co.* Waring Products Corp.* Wesco Electric Co.* Wilkens-Anderson Co. Will Corp. SHIELDING—see radiation equipment
234. SOIL TESTING EQUIPMENT Aloe Scientific Division of A. S. Aloe Co.
American Instrument Co.* C. W. Brabender Instruments, Inc.* Burrell Corp. Central Scientific Co.* Chemical Rubber Co. Chicago Apparatus Co. Cole-Parmer Instrument & Equipment Co.
Electric Hotpack Co.*
Sodium Iodide (thallium activated)
Erb & Gray Scientific, Inc. Fisher Scientific Co.
Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Laboratory Equipment Co. Laboratory Equipment Corp.* LaMotte Chemical Products Co.* Arthur S. LaPine & Co. Nalge Co.* New York Laboratory Supply Co. Nuclear Chicago Corp.* Palo Laboratory Supplies, Inc. Precision Scientific Co.* Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co. Tenso-Lab, Inc. Thermo Electric Manufacturing Co.* Arthur H. Thomas Co. W. M. Welch Manufacturing Co.
SHOWERS—see safety equipment
Will Corp.
231. SIEVES Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. American Instrument Co.* Andrew Technical Supply Corp.* Burrell Corp. Chemical Rubber Co. Chicago Apparatus Co. Harry W. Dietert Corp.
SOURCES, RADIOCHEMICAL—see tion equipment 235. SPATULAS Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. Burrell Corp. Chemical Rubber Co. Chicago Apparatus Co.
The following quality crys tals are now available for immediate delivery:
Sodium Chloride (optical) Potassium Bromide (optical) Anthracene and Stilbene New Improved Economical Plastic Phosphor An EfFicient Ruggedized Alpha Detector Dept. R-4
CRYSTALS, INC.
radia
T23 Woodland Avenue, Westwood, New Jersey j
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