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All Patents in class 249/87 | |||||
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Picture | Number | Date | Patentee | Title | |
![]() | 1,252 | Jul. 17, 1839 | I. Babbitt | Mode of making boxes for axles and gudgeons | |
![]() | 188,048 | Mar. 06, 1877 | L.H. Hall | Aligning a shaft while pouring Babbitt |