CALAB
Model C SPECIAL
ROTARY EVAPORATOR
PARR AUTOCLAVES
Hi-Vacuum—Low Temperature Greaseless Vacuum Seal All Glass & Teflon Surfaces: No metal, rubber or grease to react with sensitive materials. Series Continuous Addition: Easily adapted to either continuous addition or batch evap-
AA229HC
oration. Write for Brochure AE
California Laboratory Eqpmt. Co. 1717 Fifth Street, Berkeley 10, California X
For chemical reactions a n d tests at pressures
to 2000 psig.
T316 stainless steel or a n y of seven corrosion
.'
a n d temperatures
to
350° C. Made in o n e a n d two liter sizes of resistant
other
alloys.
H e a d s a n d cylinders a r e i n t e r c h a n g e a b l e with the Parr Series 4500 stirred reactor. Electric heaters, g l a s s liners, electrodes,
thermowells,
condensing
coils
and
other
fittings c a n b e provided. Ask for Specification 4600 describing these and other Parr autoclaves and pressure vessels.
PARR INSTRUMENT COMPANY 211 Circle No. 119 on Readers' Service Card
Fifty-Third St.
Moline, Illinois
Circle No. 74 on Readers' Service Card
FLAMELESS BLOW TORCH
Vacuum
Fusion Analyzer*
FOR FAST HEAT
UP to 1,000° F.
For the analyses of hydrogen, oxygen and nitrogen in metals and other materials. A UNIQUE APPROACH TO VACUUM FUSION ANALYSIS PROVIDES:
Write f o r literature today.
• Speedier Analyses — 8 minutes for Oxygen, Hydrogen and Nitrogen, 5 minutes for Oxygen alone when using double analytical system. • Faster Ôutgassing Time —only 1 hour vs. 3 hours claimed for conventional units. • Hot Extraction for Hydrogen —without extra equipment. • Direct S a m p l e Loading — e l i m i n a t i o n of mercury lift. • Manufactured under license from Titanium Metal Corporation. Patents aDDlied for.
LABORATORY EQUIPMENT CORPORATION 1 0 6 4 Hilltop Road, St. J o s e p h , Michigan Circle No. 54 on Readers' Service Card 154 A
·
ANALYTICAL CHEMISTRY
For applications requiring quick concentrated heat blast u p t o 1000 F., w i t h o u t flame Soften, f o r m , mold a n d patch plastics, e t c . T e m p e r a t u r e varied by a i r intake a d j u s t m e n t . 110-230 V . A C - DC motor 3 wi re pi ug. AH 110 V . models equipped w i t h adapter for 2-prong receptacle. 8 f t . heavy d u t y cord. I n t e r m i t t e n t d u t y . Other models available w i t h lower t e m p , ranges. Most of t h e big names i n indust r y use M A S T E R H E A T G U N S i n laboratories or i n production. Model H G 501-500°F. 115V—$41.25 (Others $37.25 t o $62.75)
AIR HEATER BLOWER For quick electrically heated air u p t o 750°F. For accelerating drying processes or for localized heating. B . T . U . 3400. A i r velocity 2000 F P M . 110-230 V . A C only. 3 wire plug, all 110 V . models equipped w i t h adapter f o r 2-prong receptacle. 8 f t . heavy d u t y cord. C o n t i n u o u s d u t y 2" d i a . χ 3" long discharge nozzle. Model A H 501-500°F. 115V—$55.35 (Others $52.25 t o $83.25) Write today to Dept. 14-B Send for i n f o r m a t i o n on hair dryers, hand and foot massagers, vibrators, grass t r i m m e r s , hair clippers, food blenders, and a i r purifiers.
Master
APPLIANCE CORP., RACINE, WISCONSIN
Circle No. 62 on Readers' Service Card