Title: |
1890 Ad-Evans Friction Cone Co.-Friction Cones |
Source: |
Milling World, V23, 29 Dec., 1890, pg. 355 |
Insert Date: |
7/28/2021 7:58:45 PM |
Image courtesy of Brian D. Szafranski.
US Patent: 390,216
https://datamp.org/patents/displayPatent.php?number=390216&typeCode=0 |
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1890 Evans Friction Cone Co.-Friction Cones
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