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| Description: | Portrait of Arthur Pratt Warner of Beloit, Wisconsin, about 1950, with a model of his first speedometer. Even today, most automobiles are equipped with sp... |
| Date: | 01 27 1968 |
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| Description: | Woman working on a wire harness for the lunar module section of an Apollo spacecraft at the AC Electronics division of General Motors Corp. plant. |
| Date: | 10 11 1981 |
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| Description: | Jim Niemann decorates dipped chocolates at his family's business, Niemann's Home Made Chocolate Shop. |
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| Description: | Rendering of a Thordarson Electical Manufacturing Company product. Chester Thordarson was a Chicago inventor and manufacturer of electical apparatus, famo... |
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