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| Patents for J. K. McDonald | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 50,584 | Oct. 24, 1865 | B. Holly | Fire Tongs | |
 | 53,617 | Apr. 03, 1866 | B. Holly | Steam Boiler Water Tube | |
 | 54,905 | May 22, 1866 | B. Holly | Compressing Air | |
 | 64,977 | May 21, 1867 | B. Holly | Water Wheel | |