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Filter: Subject of Inventions
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Filter: Year of 1800-1899
Filter: Year of 1860-1869
| Date: | 1867 |
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| Description: | A diagram of McCormick's cultivator-reaper, which was patented in 1845. The illustration, titled "The Cultivator" depicts a man using a rake to remove the ... |
| Date: | 02 1862 |
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| Description: | Tintype of a model gun intended to accompany a patent application. The five-barreled gun, invented by William Bradford, is mounted on wheels. |
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