Four-page pamphlet advertising Thanite and other toxicants manufactured and sold by the Hercules Powder Company for use in pesticides and insecticides. Formed in 1912 as part of an anti-trust settlement with DuPont, the Hercules Powder Company (later Hercules Inc.) initially specialized in the manufacture of explosives and smokeless powders and subsequently diversified its business to encompass a variety of industrial products, including pine and paper chemicals, synthetics, pigments, polymers, and cellulose.
Hercules Incorporated. “He Wants a Fly Spray That Stays Effective...Here's Your Answer.” 1947 Hercules Advertisements, 1947. Records of Hercules Incorporated, Volume 1947. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/6h440t073.