1940 Print Phthalic Anhydride Workers American Cyanamid Synthetic Plastic FZ2 GF2 Bronchitis

Bronchitis

"Character marks the Leader

73 River Front Walkerville Ontario Canada

This ad features an image of Mrs

and a saucer-shaped brimmed hat

1940 Print Phthalic Anhydride Workers American Cyanamid Synthetic Plastic FZ2 GF2 BronchitisThis 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.