Close-up view of DuPont employee Mike McCall feeding nylon chips into the hopper of a five-position spinning machine used at the DuPont pilot plant in Wilmington, Delaware during the early stages of nylon production and research. Following polymerization, hot nylon ribbon was extruded from an autoclave and wound onto a reel before being broken into nylon chips for spinning. Once the chips were fed into the spinning unit, they were melted, metered, and filtered before passing through a spinneret to form filaments.
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“Feeding Nylon Chips into Five-Position Spinning Machine,” 1938. Joseph X. Labovsky Collection of Nylon Photographs and Ephemera, Box 2. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/3t945q85r.
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