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Engraving-machine.

Description: Patent for improvements to an engraving machine. Illustrations included.
Date: July 1, 1902
Creator: Crane, Walter E.
Partner: UNT Libraries Government Documents Department

Fiber-Separating Machine.

Description: Patent for a new and improved fiber separating machine "in which the entire cleaning or separating of the fibers from the plant stock can be done in one operation" (lines 10-13).
Date: May 5, 1914
Creator: Parks, Michael Edward
Partner: UNT Libraries Government Documents Department
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