V O L U M E 21, NO.
10,
OCTOBER
1949
5A
Production
[
UfliUi
AV^*" T h a t was our problem—quantity production of a vast number of laboratory experiments. These tests fell within a definite heat range which, in itself, constituted no great problem. B u t to maintain a constantly accurate uniformity of h e a t throughout the confines of the interior with fresh loads presented insurmountable difficulties until the Precision-Freas Mechanical Convection Oven was used. T h e success
of the Precision-Freas Oven in this operation was due to two vital factors—the Centrifugal T u r b o Blower which kept a steady, controlled heat circulation and the Dual-Hydraulic T h e r m o s t a t Control which recorded accurately each step of the experiment. For additional facts request your copy of the W H Y M a n u a l C-3.
SEE YOUR LABORATORY SUPPLY DEALER NOW
Precision Scientific Company 3737
W
CORTLAND
ST.
..CHICAGO
47.
ILL
USA
OFFICES IN CHICAGO, NEW YORK, P H I L A D E L P H I A AND SAN FRANCISCO
