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Patents for J. B. Turchin | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 68,773 | Sep. 10, 1867 | G.W. Miles | Spoke-Driving Machine | |
![]() | 73,321 | Jan. 14, 1868 | R. Grotz | Improvement in barrel-heading, circling, and bevelling-machine |