General view of a spinneret (front row, second from left) and assorted pack equipment, including a filter screen and gasket, used during the early stages of nylon production and research at DuPont. 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.
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“Spinneret and Pack Equipment for Nylon,” March 31, 1946. Joseph X. Labovsky Collection of Nylon Photographs and Ephemera, Box 2. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/tb09j5686.
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