View of the mixing mill used in the Rubber Compounding and Processing Laboratory at the Naval Air Experimental Station. The mill is an Adamson 6" by 16" two-roll machine powered by a 7 1/2 H.P. motor with chain drive. At the laboratory, the mill was used to mix rubber stocks or warm mixed stocks for subsequent processing. This photograph was included in a 1949 Naval Air Experimental Station report on compounding rubber.
United States. Navy, and Naval Air Experimental Station. “Mixing Mill at the Rubber Compounding and Processing Laboratory,” circa 1949. Photographs from the Papers of J. Hartley Bowen, Box 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/6t053g00z.
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