General view of an unidentified employee handling a saran bubble as it is extruded from a machine during the production of saran film at the Dow Chemical Company plant in Midland, Michigan. During production, the film passed through a series of rollers, which deflated the bubbles and prepared the film for winding on rolls. Initially developed for the U.S. Army to wrap arms and equipment for transport during World War II, saran plastic was subsequently developed and marketed as Saran Wrap for household use.
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Dow Chemical Company. “Saran Bubble at Dow Chemical Company,” 1955. Dow Chemical Company Historical Image Collection, Box Oversized Plants 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/g445cd54j.
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