General view of a washing tub in use at the Hercules Powder Company's Ethyl Cellulose plant in Hopewell, Virginia. Per notations accompanying the photograph, constant agitation and continual charges of water were used to wash cubed ethyl cellulose in order to remove any impurities. The employee visible in the photograph is unidentified.
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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Hercules Incorporated. “Washing Tub in Use at Hercules Hopewell Plant,” June 17, 1940. Photographs from the Records & Ephemera of Hercules Incorporated, Box 1, Folder 35. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/s1784m61t.
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