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Search: inventions
Filter: Subject of technology
| Date: | 1863 |
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| Description: | A sketch of mechanical parts for an invention. |
| Date: | 1863 |
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| Description: | Watercolor illustration of a barometer designed by John Muir in his boyhood. |
| Date: | 1872 |
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| Description: | Lillian Sholes, demonstrating a prototype typewriter invented by her father, Christopher Latham Sholes. |
| Date: | 05 13 1938 |
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| Description: | International PD-80 Marine power unit developed by the company's Nashville branch. |
| Date: | 1920 |
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| Description: | Outdoor view of a car, built by two University of Wisconsin students, which can be driven remotely. |
| Date: | 1896 |
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| Description: | 40 H.P. experimental tractor. Original caption reads: "40 H.P., Built in 1896." |
| Date: | |
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| Description: | Detail of clock design by John Muir, showing a book resting on a holder in the shape of a gear. |
| Date: | 02 13 1862 |
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| Description: | Letter describing gun invention and Bradford's intentions for improvements. |
| Date: | 07 19 1927 |
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| Description: | Left side view of Speck's cotton picker, taken for International Harvester's Engineering Department. |
| Date: | 1863 |
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| Description: | Muir's illustration of a means to record time by use of a star. He titled the drawing "The star hand rising and setting with the sun all the year". |
| Date: | 1863 |
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| Description: | A John Muir sketch of a fancake draught of sawframe with crankshaft in position. Scale two inches per foot. Depth of frame 5 1/2 inches. Speed of cranks... |
| Date: | 1927 |
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| Description: | Front view of "Speck's cotton picker," taken for International Harvester's Engineering Department. |
| 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: | 09 06 1948 |
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| Description: | A postcard advertising the invention of the telecamera by William Pitt Fessenden in 1941 in Phlox, Wisconsin. |
| Date: | |
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| Description: | Clock on display at the Wisconsin Historical Society. The clock was made by John Muir while a student at the University of Wisconsin in 1860. |
| 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. |
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