General view of a rod spinner arranged for the production of bristles during the early stages of nylon production and research at the DuPont Experimental Station in Wilmington, Delaware. During production, a cylindrical nylon rod was pressed against a hot spinneret (a small metal plate with fine holes), through which the material was extruded to form bristles. Component parts of the spinner are numbered 1 through 5, presumably to assist with identification, though a corresponding key does not accompany the photograph.
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“Rod Spinner Arranged for Production of Bristles,” March 23, 1937. Joseph X. Labovsky Collection of Nylon Photographs and Ephemera, Box 1. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/6969z093h.
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