ADVERTISERS' PRODUCT GUIDE Research Specialties Co.* Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co. Standard Scientific Supply Co. Tenso-Lab, I n c . Arthur H. Thomas Co. Tri R Instruments* W. M . Welch Manufacturing Co. Wilkens-Anderson Co.* Will Corp.
Standard Scientific Supply Co. Tenso-Lab, Inc. Arthur H. Thomas Co.* Welwyn International, Inc. Wilkens-Anderson Co. Will Corp. BOILER WATER TESTING EQUIPMENT— see water analysis equipment
BEAKERS—see laboratory polyethylene ware
glassware,
BELL JARS—see laboratory polyethylene ware
glassware,
BITUMINOUS TESTING EQUIPMENT—see asphalt testing equipment BLENDERS—see stirrers 14. BLOOD TESTING EQUIPMENT Aloe Scientific Division of A. S. Aloe Co.* American Hospital Supply Corp. American Instrument Co.* Bendix Aviation Corp.*
15. BOILING POINT APPARATUS Chemical Rubber Co. Fisher Scientific Co. Emil Greiner Co.* Harshaw Scientific Division of Harshaw Chemical Co. Kern Laboratory Supply Co. Arthur S. LaPine & Co. Microchemical Specialties* New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co.* Tenso-Lab, Inc. Arthur H. Thomas Co. Will Corp. BOMB CALORIMETERS—see calorimeters
C. A. Brinkmann & Co.*
BOTTLES—see laboratory glassware, poly ethylene ware
Burrell Corp. Chemical Rubber Co. Clay-Adams, Inc.* Doerr Glass Co.* Electric Hotpack Co.* Fisher Scientific Co.* Em il Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Instrumentation Associates LaMotte Chemical Products Co.* Arthur S. LaPine & Co. Microchemical Specialties* National Appliance Co.* New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Phoenix Precision Instrument Co.* Precision Scientific Co.* Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co. Scientific Industries, Inc.*
BRUSHES—see cleaning equipment 16. BURETS AND ACCESSORIES Ace Glass, Inc.* Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. American Instrument Co.* Atkins Technical, Inc. C. A. Brinkmann & Co.* Burrell Corp.* Chemical Rubber Co. Chicago Apparatus Co. Corning Glass Works* Doerr Glass Co.* Fisher Scientific Co.* General Laboratory Supply Co. Emil Greiner Co.* Harshaw Scientific
Division of Harshaw Chemical Co. Kern Laboratory Supply Co. Kontes Glass Co.* Laboratory Equipment Corp.* Arthur S. LaPine & Co. Microchemical Specialties* New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co.* Scientific Industries, Inc.* Standard Scientific Supply Co. Tenso-Lab, Inc.* Arthur H. Thomas Co. W. M. Welch Manufacturing Co. Will Corp.*
Fisher Scientific Co. Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Arthur S. LaPine & Co. New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Parr Instrument Co.* Precision Scientific Co.* Prolabo* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Tenso-Lab, Inc. Arthur H. Thomas Co. Wilkens-Anderson CoWill Corp.
17. BURNERS AND ACCESSORIES
19. CALORIMETERS AND ACCESSORIES, GAS
Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. Burrell Corp. Central Scientific Co.* Chemical Rubber Co. Chicago Apparatus Co. Fisher Scientific Co.* General Laboratory Supply Co. Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Arthur S. LaPine & Co.* Microchemical Specialties* New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Precision Scientific Co.* Ε. Η. Sargent 8. C o . * Schaar & Co. Scientific Glass Apparatus Co. Standard Scientific Supply Co. Tenso-Lab, Inc. Arthur H. Thomas Co.* W. M . Welch Manufacturing Co.* Wilkens-Anderson Co. Will Corp.
Burrell Corp. Chemical Rubber Co. Chicago Apparatus Co. Fisher Scientific Co. Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Arthur S. LaPine & Co. New York Laboratory Supply Co. E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Arthur H. Thomas Co. Will Corp. CAMERAS, PHOTOMICROGRAPHS—see photomicrographic cameras CANS—see containers CARBON DETERMINATORS—see tion equipment
combus
CARBOYS—see chemical handling equip ment 20. CARTS, LABORATORY
18. CALORIMETERS BOMB
AND ACCESSORIES,
Burrell Corp. Chemical Rubber Co. Chicago Apparatus Co.
Aloe Scientific Division of A. S. Aloe Co.* American Hospital Supply Corp. Andrew Technical Supply Co.* S. Blickman Co.*
Direct Measurement of Difference in Refractive Index
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