General view of a roll crimper and puller used at DuPont during the early stages of synthetic fiber production and research. Typically, such machinery was used to stretch, strengthen, and crimp textile fibers.
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“Roll Crimper and Puller for Synthetic Fibers,” September 1946. Joseph X. Labovsky Collection of Nylon Photographs and Ephemera, Box 2. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/1n79h4338.
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