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| Patents for Hector McKenzie | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 147,674 | Feb. 17, 1874 | T. Coulter, H. McKenzie | Machines for Turning Carriage-Axles | |
![]() | 197,999 | Dec. 11, 1877 | H. McKenzie, T. Coulter | Machine for Turning Wooden Axles | |