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Manufactured By:
Evans Friction Cone Co.
Boston, MA

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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 Description:
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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