ADVERTISERS' PRODUCT GUIDE Arthur S. LaPine & Co. Microchemical Specialties 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. Arthur H. Thomas Co. W. M. Welch Manufacturing Co. Will Corp. 89. GLASS TUBING Ace Glass, Inc. Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. Burrell Corp. Chemical Rubber Co.* Chicago Apparatus Co. Corning Glass Works* Fischer & Porter* 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. Phoenix Precision Instrument Co.* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co. Standard Scientific Supply Co. Tenso-Lab, Inc. Arthur H. Thomas Co. W. M. Welch Manufacturing Co. Will Corp. Wilmad Glass Co.* 90. GLASS WORKING EQUIPMENT Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. Burrell Corp. Chemical Rubber Co.* Chicago Apparatus Co. Fish-Schurman 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. Phoenix Precision instruments Co.* Schaar & Co. Scientific Glass Apparatus Co. Tenso-Lab, Inc. Will Corp. 91. GLASS JOINTS Ace Glass, Inc.* Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. Atkins Technical, Inc. Burrell Corp. Chemical Rubber Co.* Chicago Apparatus Co. Corning Glass Works* Fischer & Porter* Fisher Scientific Co. General Laboratory Supply Co. Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Kern Laboratory Supply Co. Kontes Glass Co.* Arthur S. LaPine & Co. Microchemical Specialties* Micro-Ware, Inc. New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Podbielniah. Inc.* E. H. Sargent & Co. Schaar & Co. Scientific Glass Apparatus Co.* Standard Scientific Supply Co. Tenso-Lab, Inc. Arthur H. Thomas Co. Will Corp. Wilmad Glass Co.* 92. GLASSWARE, CUSTOM—see also lab oratory glassware Ace Glass, Inc.* American Hospital Supply Corp. American Instrument Co.* Atkins Technical, Inc.* Chemical Rubber Co.* Corning Glass Works* Fischer 8, Porter* 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.* Laboratory Glass & Instrument Corp.* Arthur S. LaPine & Co. Microchemical Specialties* Micro-Ware, Inc. New York Laboratory Supply Co. Palo Laboratory Supplies, Inc. Phoenix Precision Instruments Co.* Podbielniak, Inc.* Research Specialties Co.* Ε. Η. Sargent & Co.* Schaar & Co. Scientific Glass Apparatus Co.* Tenso-Lab, Inc. W. M. Welch Manufacturing Co. Wilkens-Anderson Co.* Will Corp.* S3. GLOVE BOXES Aloe Scientific Division of A. S. Aloe Co. S. Blickman Co.* Duralab* Fisher Scientific Co.* Emil Greiner Co. Laboratory Equipment Co. Microchemical Specialties National Appliance Co.* NRC Equipment Corp.* Schaar & Co. Scientific Glass Apparatus Co. Torsion Balance Co.*
TEMEa LABORATORY APPARATUS the wide line that
lets
select the exact type for your own specific
you and sise you applications
need
• ENGINEERED TO CRITICAL REQUIREMENTS • PRICED FOR ECONOMY
TEMCO ELECTRIC FURNACES A wide range of sizes to serve almost any critical or routine lab oratory need. T Y P E 1500
GLOVES—see safety equipment
TEMPERATURE CONTROLLERS
GOGGLES—see safety equipment
Electronic pyrometer controllers and semi-automatic input control lers for most laboratory require ments. A M P L I T R O L CONTROLLER
GRADUATES—see cylinders 94. GRAPHITE PRODUCTS United Carbon Products Co., Inc. 95. GRATINGS—see also spectrographs Farrand Optical Co., Inc.* GRINDERS—see crushers 96. GRINDING MACHINES AND WHEELS Norton Co.* 97. HARDNESS TESTERS Torsion Balance Co.* 98. HEATERS Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. American Instrument Co.* Briscoe Manufacturing Co.* Burrell Corp. Central Scientific Co.* Chemical Rubber Co.* Chicago Apparatus Co. Cole-Parmer Instrument & Equipment Co. Duralab* Eberbach Corp.* Electric Hotpack Co. Engelhard Industries* Erb & Gray Scientific, Inc. Fisher Scientific Co.* General Laboratory Supply Co. Emil Greiner Co. Harshaw Scientific Division of Harshaw Chemical Co. Hevi-Duty Electric Co.* Kern Laboratory Supply Co. Labline, Inc.* Arthur S. LaPine & Co. Lindberg Engineering Co.* Meinecke 8, Co., Inc. National Carbon Co. Division of Union Carbide Corp. New York Laboratory Supply Co. Norton Co.* Palo Laboratory Supplies, Inc. Precision Scientific Co.* Research Specialties Co.* Ε. Η. Sargent & Co.* Schaar 8. Co. Scientific Glass Apparatus Co. Standard Scientific Supply Co. Tenso-Lab, Inc. Thermal American Fused Quartz Co., Inc.' Thermo Electric Manufacturing Co.* Arthur H. Thomas Co. Tri-R Instruments* United Carbon Products Co., Inc.* W. M. Welch Manufacturing Co. Wesco Electric Co.* Wilkens-Anderson Co. 99. HEATING MANTLES Ace Glass, Inc. Aloe Scientific Division of A. S. Aloe Co. American Hospital Supply Corp. Briscoe Manufacturing Co.* Burrell Corp. Chemical Rubber Co.* Chicago Apparatus Co. Electric Hotpack Co.
TEMCO ELECTRIC HOT PLATES Provide extremely close control of temperature. All models have stainless steel cases and are scien tifically ventilated. T Y P E 1900 TEMCO STIR-PLATE This popular combination mag netic stirrer and hot plate provides a wide range of closely controlled temperature and stirring speed.
TEMCO FLASK HEATER One unit with interchangeable baskets handles several flask sizes. Rugged, safe, dependable.
TEMCO PORTABLE PYROMETER For accurate and convenient measurement of temperature and direct-current millivolts.
Choose T E M C O products with confidence. Many thousands are in use the world over. Write for free T E M C O - T I I E R M O L Y N E catalog information and name of nearest dealer. T H E R M O ELECTRIC M F G . CO., 4 7 8 Huff St., Dubuque, I o w a Circle Nos. 32 A-1, 32 A-2, 32 A-3, 32 A-4, 32 A-5, 32 A-6 on Readers' Service Card V O L . 3 1 , N O . 4 , APRIL 1 9 5 9
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