1940 Print Phthalic Anhydride Workers American Cyanamid Synthetic Plastic FZ2 GF2 This ad features an image

This ad features an image of Mrs

Keywords specific to this image: Janet McKenzie Hill

Bronchitis

Keywords specific to this image: Anton Mengs

Photography courtesy of Fred Bremner

1940 Print Phthalic Anhydride Workers American Cyanamid Synthetic Plastic FZ2 GF2 This ad features an imageThis 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.