V O L U M E 2 2, N O . 3, M A R C H 1 9 5 0 37 A

MACBETH Titration-pH Meter

M A C B E T H C O R P O R A T I O N POST OFFICE BOX 9 5 0 · NEWBURGH, Ν. Υ.

. (* ' w a r • • [' •••'•• i f t lnr.

J W w Ϊ Bm

ACCURACY - at High Operating Speed

with Despatch Laboratory Ovens Despatch Laboratory and Production Ovens are ideally suited to all types of research . . . testing . . . production control. They are designed to provide the closest heat uniformity through ev­ery inch of the work chamber . . con­sistently accurate temperature control at all heats . . . ample speed to process

capacity loads at any desired operating temperature. Chemical and analytical, drying and baking, preheating and aging, steriliz­ing and curing, food dehydrating—these are just a few of the uses. Available in six models, with inside dimensions rang­ing from 13"xl3"xl3" to 37"x25"x50".

• Positive Air Intake • Guaranteed Hear Elements

2700 to 12,000 Watts • High Volume Fan • Air Velocity Control • Accurate Indicating Control • Modern Design—Rounded Corners

Manufacturers of Ovens for All Purposes

ASK FOR BULLETIN NO. 106

^r 341 DESPATCH BLDG. · 8TH ST. AT 7TH AVE. S. E. · MINNEAPOLIS 14, MINN