FUSION METHODS in Chemical Microscopy w i t h the more accurate and dependable
ORIGINAL KOFLER
THERMO APPARATUS based on Kofler's Micro Methods of using the Hot (or cold) Stage with the Microscope
NEW PRODUCTS
1 second, and the temperature co efficient at -195.8° C. is - 2 0 % per degree Centigrade. P-17
Briefly Noted Low-Range Pyrometer System. Velotron measures in ranges starting at 0° to 200° F. and going up to 1100° F.; features direct-reading charts and scales, interchangeable head units, and automatic ambient temperature com pensation. The Bristol Co. P-18 Glove Box. Model A-13 brings dew point down to —75° F. in 30 minutes, according to the company, which also says that the airlock can be pumped down to about 50 microns with no more than 1 / 2 micron per minute leak rate. S. Blickman, Inc. P-19 Electrical Thermometer. Model T-l measures surface and immersion tem peratures in range from —20° to + 180° C. with claimed accuracy of I1/2° C.; uses i/Vinch probe, 7 inches in length, attached to 30-inch cable. Ameresco, Inc. P-20 Micro Syringe/Buret. Liquid volume is read directly on micrometer; ca pacity, 0.25 ml.; smallest graduation, 0.0001 ml.; volume reproducibility pos sible with lock-nut arrangement. Cali fornia Laboratory Equipment Co. P-21 Sonic Energy Cleaning System. Unit uses Freon as the solvent; supplied with up to four cleaning stages: Freon distillate flush, sonic energy clean, sonic energy rinse, and Freon vapor rinse. Bendix Aviation Corp. P-22
Kofler Micro Hot Stage for tem peratures ranging from + 2 0 to 3 6 0 ° C. with REICHERT Heating Stage Microscope Note.-
The Kofler Hot Stage can be used
with any microscope with Heat Resistant Stage
Write
for
I N C O R P O R A T E D
P. O. Box 646 West Caldwell, N. J. Circle No. 105 on Readers' Service Carl
112 A
·
Box Type Furnaces. Stabil-Glow line provides continuous temperature up to 2000° F.; has push button element switch control. Blue M Electric Co. P-23
Ball-Point Recording Pen. Designed for company's Dynamaster instru ments; said to give excellent results at chart speeds from s / 4 inch per hour to 240 inches per minute, with instru ment balancing speeds from 0.4 sec. to 24 sec. The Bristol Co. P-24
Literature
WILLIAM J. HACKER & CO.
ANALYTICAL CHEMISTRY
CARVER LABORATORY PRESS
Nylon Pressure Tubing. Company currently supplies continuous lengths from minimum size of 0.010 in. X 0.060 in. to a maximum of 0.280 in. X 0.500 in. ; shipped in reel form ; spe cial sizes available. The Garlock Pack ing Co. P-25
Standard For Research
. . . solves the pressing problem of forming KBr Pellets Many insoluble materials, mixed with Potassium Bromide, can be formed in a die under pressure into pellets or wafers for quantitative and quali tative analysis. The CLP supplies the pressure - up to 40,000 lbs., if needed. This specific use is only one of the ways this versatile laboratory assist ant meets the challenge of research and development. S o m e o f the m a n y uses are: κ * Dehydrating f Pressing out various oils, stéarines and waxes t · * Pressure filtering of thick fluids v* Compression tests t^ Fatty acid determinations k* Plastic molding, forming and blocking K"* Embossing and forcing v0 Pressing mother liquors from crystals \* Extracting Vaccines and Viruses The Standard (10 Ton) CARVER LABORATORY PRESS complete with Gauge $295.00 20 Ton Models also available — additional Standard Accessories for other applications can be supplied.
Sond for complete catalog.
FRED S. CARVER INC. EQUIPMENT RIVER ROAD DUMMIT
HYDRAULIC
Circle No. 164 on Readers' Service Card
