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| Patents for W. Giffard | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 51,907 | Jan. 02, 1866 | W. Weild | Improvement in machines for winding sewing-thread upon spools | |
 | 57,057 | Aug. 07, 1866 | J. Gresham | Improvement in injectors for boilers | |