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Photographs

Spiralok exhibition display (circa 1950)

  • Circa 1950

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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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  • 6.75 in. H x 9.25 in. W
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  • Courtesy of Science History Institute

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Collection
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  • Box 26, Folder 26

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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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The Science History Institute recognizes there are materials in our collections that may be offensive or harmful, containing racist, sexist, Eurocentric, ableist, or homophobic language or depictions. The history of science is not exempt from beliefs or practices harmful to traditionally marginalized groups. The Institute is engaged in ongoing efforts to responsibly present and address the evidence of oppression and injustice inextricable from the history of science. If you would like to learn more about our ongoing efforts or if you encounter harmful, inaccurate, or insufficient descriptions, please contact us at digital@sciencehistory.org.