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Filter: Categories of Wisconsin Historical Images
Filter: FORMAT_DIMENSIONS of 7 x 9 inches
Filter: Subject of inventions
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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... |
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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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