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Filter: Subject of inventions
| Date: | 1872 |
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| Description: | Lillian Sholes, demonstrating a prototype typewriter invented by her father, Christopher Latham Sholes. |
| Date: | 1926 |
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| Description: | Dr. Stephen Babcock with an electric centrifuge butterfat tester. |
| Date: | |
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| Description: | Quarter-length portrait of a young Thomas Alva Edison. |
| Date: | 02 17 1913 |
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| Description: | Portrait of Thomas Alva Edison in his lab where he worked on his "talking moving machine." |
| Date: | |
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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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