Detail view of a trumpet and chamber for a 2.5-inch-wide roll crimper used to crimp textile fibers during the early stages of synthetic fiber production and research at DuPont. Typically, fibers entered a crimper machine via drive pulleys and were fed into a compression chamber to facilitate crimping before being extruded into a barrel for storage. The photograph is labeled "Figure 9," indicating that it was used in a report or publication.
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“Trumpet and Chamber for Roll Crimper,” March 1947. Joseph X. Labovsky Collection of Nylon Photographs and Ephemera, Box 3. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/js956f89w.
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