Basic reference sources used over and over again in the process industries for buying-specifying information. LOOK US UP AT THE CHEM SHOW. BOOTH No. 86. CHEMICAL ENGINEERING CATALOG • CHEMICAL MATERIALS CATALOG R E I N H O L D P U B L I S H I N G C O R P O R A T I O N , 430 PARK AVENUE, NEW YORK 2 2 , N.Y.
Circle Nos. 99, 100 on Readers' Service Card VOL.
53, NO.
11
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NOVEMBER 1961
41
A
