General view of a roll crimper used to crimp textile fibers during the early stages of synthetic fiber production and research at DuPont. As visible in this photograph, fibers entered the machine via drive pulleys and were fed into a compression chamber to facilitate crimping before being extruded into a barrel for storage.
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“Roll Crimper 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/nz805z754.
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