NEW PRODUCTS
NOTHING TO EQUAL IT
6, 12, and 24 volts d.c. operation, as well as for European voltages. Gelman Instrument Co. P-43 Troce Solids Tester Model 302 Automatic Tape Analyzer uses Millipore filter test method to re
No. 180 Standard from $215.
Extremely Rapid & Repetitive Weighing of Minute Masses
WITH CAMERA I I
SAUTER aromate PRECISION MICRO-BALANCE COMPLETELY FRICTION-FREE-AII knife edges, pivots and bearing surfaces are eliminated by the Sauter patented suspension system . . . reduces inertia to an infinitesimal point.
No. 181 — For measuring fibre, filament, thread.
PHASE CONTRAST EQUIPMENT
move particulate matter from liquid or gas sample. Material retained on filter membrane can then be identified, sized, counted, or tested. Graver Water Con ditioning Co. P-44 Fluorescence Illuminator
No. 182 — Enlarged lower housing for ease in handling bulky mass, subminiature components, etc. EXCLUSIVE—NO COUNTERWEIGHTS FOR PANS — Pans of given capacity are uniform in shape and weight . . . completely interchangeable, readily preloaded outside the balance. Unique construction makes loading round bottom pans easy . . . pan can't roll over.
• The Sauter # 1 8 0 provides unmatched conve nience and accuracy in weighing any type minute mass: fibres, filaments, threads, tissues, pow ders, liquids, pellets, and countless other subminiature objects. It is widely used in scientific research, as well as product control in many industries including paint, pharmaceutical, medical, paper, etc., This balance re quires no weights. It is air damped, shockresistant, and unaffected by even the most sudden changes in temperature. Capacities — 1 mg to 12Vz grams direct reading from 1 microgram up. Anti-parallax device. 1 1 " wide, 8 " deep, 1 4 " high. Weight: 10 lbs. Complete details and names of distributors on request.
AUGUST SAUTER OF NEW YORK, INC.
866 WILLIS AVENUE ALBERTSON. L. Ι., Ν. Υ. Pioneer 6 - 0 2 5 4 Circle No. 58 on Readers' Service Card 88 A
·
ANALYTICAL CHEMISTRY
WILD M20 MICROSCOPE
Light source for new Reichert model is a 200-watt mercury arc lamp. Light is finger-tip controlled with a centering device, quartz collector, and iris dia phragm. Two revolving turrets take all filters. William J. Hacker & Co. P-45
. . . a v a i l a b l e with sextuple revolving nosepiece if desired, 20-Watt built-in illumination, superior Swiss quality in craftsmanship and optics. . . . w i t h Camera II, permits continuous binocular observation. Phototube deflects 25% of light to binocular tube. Special format indicating eyepiece pro vides rapid, perfect focusing.
Log Voltmeter and Converter
. . .with Wild Cinetube, using any 16mm movie camera having 50mm or 75mm focal lengths, permits critical focusing on specimen while exposing film. Two built-in beam splitters and photoelectric cell for exposure determination (with galvanometer). Internal projection tube for titling.
Model HLV-150 70 db. log voltmeter and converter is potentiometric and said to be accurate to 0.2 db. or 2%
. . . w i t h Phase Contrast, Incident Light, Varicolor and other equipment.
anywhere on its 14-inch three cycle scale with a.c. or d.c. inputs. Actual voltage and level in decibels relative to a set reference are read at a glance with a mirror scale and knife-edge pointer. Houston Instrument Corp. P-46 Microscopy Micro-Furnace
Water-cooled high vacuum furnace
UNMATCHED VERSATILITY, PRECISION AND UTILITY FOR RESEARCH AND SCIENTIFIC EXPLORATION. "The FIRST name in Surveying Instruments, Photogrammetric Equipment and Microscopes Booklet M20 mailed on request.
WILD® H E E R B R U G G
Full Factory Services
INSTRUMENTS,
INC.
Main at Covert Street · Port Washington, New York POrt Washington 7-4843 In Canada Wild of Canada Ltd., 157 Maclaren St., Ottawa, Ontario Circle No. 86 on Readers' Service Card
