General view of an exhibition display for Spiralok cartridges manufactured and sold by the Hercules Powder Company for use with Vibrogel explosives.
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.
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“Spiralok Exhibition Display (circa 1950),” circa 1950. Photographs from the Records & Ephemera of Hercules Incorporated, Box 26, Folder 26. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/5fr75s3.
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