NEW features GIVE YOU NEW PERFORMANCE NEW CONVENIENCES NEW LONGEVITY
NOW...
Product Capsules Syringes. Details syringes a n d burets. Tables. tables.
on
micrometer 92
New vibration-free
balance 23
T a p e s . Catalog on heating tapes a n d jackets. 133 Thermistors. alog offered.
Thermistor-varistor cat86
GAS FLOW Measurement
T i m e r s . Guide to timers a n d chronog r a p h s offered. 71
made more c o n v e n i e n t dependable—precisely accurate.
Titrators. Catalog features automatic recording unit. 20
highly dependable
TEMCO ®
laboratory
HOT PLATES
Titrators. Bulletin details new dual recording unit. 74 T i t r a t o r s . Bulletin on new potentiometric unit in 2 models. 116 Titrators. Bulletin on new unit for Karl Fischer moistures. 89 Torches. Details on flameless electric blow torch. 55 T u b e s . N e w 2 " 14-stage photomultiplier t u b e . 105
PRECISION SCIENTIFIC
WET TEST METERS with the FEATURES you asked f o r • LONGER METER LIFE — a modern, stronger cast aluminum housing—epoxy plated—resists effects of corrosive gases —adds years of service. • ON-THE-SPOT SERVICE - the new removable back allows you to service your meter, minimizing down time, and saving DOLLARS. • IMPROVED GLASSWARE PROTECTION—recessed thermometer and relocated manometer . . . further increasing instrument life. • PRECISE ACCURACY - w a t c h - l i k e components measure gas flow to within +}/2 of 1% of volume. • M O D E R N S T Y L I N G — attractively designed . . . right for your laboratory. • E X T R A C O N V E N I E N C E —new carrying handle for easy portability. • CHOICE OF M O D E L S - a v a i l a b l e in 20 cubic feet per hour, or 680 liter per hour models. • EXCEPTIONAL OPERATING RANGE — measures gas accurately from 0.3 inches water pressure to 15 psi for a variety of new metering applications. PRECISION WETTEST METERS, backed by 40 years of manufacturing " k n o w - h o w " , are setting new standards of performance and dependability . . . get the facts , . . write for Bulletin ?612 SINCE
1920
PRECISION S C I E N T I F I C CO. 3731 West Cortland St., Chicago 47, III. Local Offices in Chicago · Cleveland · Houston New York · Philadelphia · Los Angeles Circle No. 140 on Readers' Service Card 154 A
·
ANALYTICAL CHEMISTRY
T u b i n g . Resistance chart and sample tubing offered. 165 Tubing. tubing.
Details on flexible
"Teflon" 65
T y p e . 450 special characters fit any typewriter. Catalog. 185 V a c u u m S y s t e m s . New compact syst e m for thin-film coating. 28
Type 2500 . . . 7' round, stepless control A precision laboratory i n s t r u m e n t , that combines the finest in performance with outstanding appearance. Fast, even heating. Aluminum top plate, stainless steel body. Extra-sensitive thermostat provides stepless regulation with exceptionally close control from room temperature to 370°C (700°F). Cool base and controls. Dovetail sockets at rear. 115 volts a-c. $32.50.
Viscometers. U n i t operates on falling-ball principle. Bulletin. 38 V i s c o m e t e r s . U n i t operates on coneplate principle. L i t e r a t u r e . 189 W a r e , Ceramic. Catalog t e m p ceramics offered.
of
high 52
W a r e , G l a s s . New catalog includes expanded " K i m a x " line. 122 W a r e , Poreclain. New catalog features tubes and crucibles. 30 Ware, Quartz. quartz labware.
32-pagc catalog on 163
W a r e , Stone. Circle 7 for info on stone surface material. 7 W a s h Bottles. Catalog features plastic wash bottles. 175 X-Ray Units. Goniometer for x-ray diffraction, spectroscopy. 150 X-Ray Units. Emission gage monitors up to 6 elements. 39 X-Ray Units. Article on electron probe microanalysis offered. 26
Type 2600 . . 4-heat control
9
square,
For heaviest duty jobs, designed especially to stand hard use for prolonged periods. Built with extra strength to support heavy loads. Smooth cast iron top plate, stainless steel body. 4-heat control: L-400°F; LM-535°F; M-710°F; H-93CTF (without load). 115 or 230 volts a-c. $45.00. Write for data and name of nearest dealer.
THERMOLYNE CORPORATION (formerly Thermo Electric Mfg. Co.)
4 7 8 Huff St., Dubuque, I o w a
X-Ray Units. F o r vacuum x-ray a n alysis of elements above atomic 11. 1 0 Circle No. 102 on Readers' Service Card
