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Patents for P. C. Cambridge Jr. | |||||
Number | Date | Patentee | Title | Type | |
15,327 | Jul. 15, 1856 | P.C. Cambridge, Jr. | Gage lathe | wood lathes | |
18,535 | Nov. 03, 1857 | P.C. Cambridge, Jr., D.M. Cummings | Method of reversing the chisel in mortising-machines | mortising machines |