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Filter: Categories of Wisconsin Historical Images
Filter: Subject of Clothing and dress
Filter: Subject of inventions
Filter: Subject of engineering
| Date: | 1919 |
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| Description: | Inventor, B.L. Boboroff, displays his vote recording device to members of the U.S. House of Representatives. |
| Date: | 1950 |
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| Description: | A man sets up a cone-shaped instrument designed to distill fresh water from salt water as he leans out of a small motor boat on the water. |
| Date: | 1925 |
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| Description: | Photographic illustration of two men cutting wood with a saw powered by horses on a treadmill. The horses and treadmill were added by an artist's drawing. |
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