1940 Print Phthalic Anhydride Workers American Cyanamid Synthetic Plastic FZ2 GF2 Keywords specific to this image:

Keywords specific to this image: Janet McKenzie Hill

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1940 Print Phthalic Anhydride Workers American Cyanamid Synthetic Plastic FZ2 GF2 Keywords specific to this image:This is an original 1940 halftone print of workers at the American Cyanamid Company working with crystals of phthalic anhydride. The substance is used in large scale productions of plastics. The American Cyanamid Company was a large chemical manufacturer and was founded in 1907 by Frank Washburn. Divisions of the company include Lederle Laboratories, Davis & Geck, Old Spice, Breck, Pine Sol and Melmac. Currently, the company is known as Cytec.