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| 1949 ad copy, Du Pont. |
The Stocking Story: You Be The Historian
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| First national sale of nylon stockings, May 15, 1940. Courtesy of Pictorial Collections, Hagley Museum and Library, Wilmington, DE. |
Physical and Chemical Properties of Fibers
| Polymer dance. Molecules with double bonds represented as dancing couples, who partially separate to form a chain (polymerization). |