View of a worker removing a tensile sheet from a mold used in the hydraulic press at the Naval Air Experimental Station's Rubber Compounding and Processing Laboratory. The hydraulic press is a 200-ton capacity Williams-White Moline machine equipped with three 24" x 24" cored steam platens and pull-back pistons for rapid pressure release. At the laboratory, the hydraulic press was used to cure, i.e. toughen or harden, molded rubber articles. This photograph was included in a 1949 Naval Air Experimental Station report on compounding rubber.
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Naval Air Experimental Station, and United States. Navy. “Unloading of Tensile Sheet from Mold,” circa 1949. Photographs from the Papers of J. Hartley Bowen. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/2b88qc202.
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