Four-page promotional booklet advertising various raw materials manufactured and sold the Hercules Powder Company for a range of industrial applications, including rosins, insecticides, cellulose acetate, and nitrocellulose lacquers.
Hercules Incorporated. “For Chemical Progress: The Best Job in the World.” 1941 Hercules Advertisements, 1941. Records of Hercules Incorporated, Volume 1941. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/vt150j998.