Eleanor Vadala, chemist, demonstrating use of the Gammacell 220, a textile chemistry machine, used in the Naval Air Material Center's Aerospace Materials Laboratory. The Gammacell 220 is a source of Cobalt-60 gamma radiation, which is commonly used to alter the physical properties of textile fibers and polymers.
United States. Navy. “Gammacell 220 at the Naval Air Material Center,” circa 1958. Photographs from the Papers of J. Hartley Bowen, Box 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/3n203z18c.
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