Name | Street | Town | State | From | To |
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Mayall, Thomas J. |   | Roxbury | Massachusetts /td> | 1860s |   |
Patent | Date | Remarks |
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37,004 | November 25, 1862 | Patent drawing |
Contract | for |
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  |   |
Product |
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Interchangeable cylinder to allow percussion of rimfire ammunition. Only 2 are known. and
are .32 caliber. Revolving cannon which was tried during the Civil War. |