Dupont "Wonder World of Chemistry" Exhibit

Front:
ZERONE DYE AMMONIA UCITE ANTI RUST las-pEE ATLANTIC CITY, N. J. Du Pont"Wonder World of Chemistry" Exhibit... in the Haddon Hall Block 1121-25 Boardwalk 而金角會 東 椰

Back:
UNTTED STATES OF AMERICA INDUSTRY-AGRICULTURE OUPOND REG.U.S. PAT. OFF “WONDER WORLD OF CHEMISTRY” EXHIBYT JUN 30 ជាតjewន FOR DEFENSE Here one gets a glimpse behind-the-scenes in du Pont research laboratories... where chemists transform coal, air and water - 8 PM cotton and salt - into such products as dyes, rayon, man-made rubber, crystal-clear plastics, and nylon for fishing lines, Tooth 1942 brushes and sheer hosiery. Operating models, miniatures, testing equipment, research apparatus in motion, laboratory experi N. Jo • comprise a fascinating cavalcade of chemistry. *** :::: ments: car better Kuo pred Reed we are lar feel 118 Cha Meas Helena Saratoga for hon Dat Co A-1237-C