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Cotton-Threshing Machine.

Description: Patent for a cotton threshing machine with wheels designed to be constructed in the cotton field and easily moved to different parts of the field.
Date: May 29, 1917
Creator: Patterson, Warren A.
Partner: UNT Libraries Government Documents Department

Locomotive Brake-Shoe

Description: Patent for a locomotive brake shoe that is "capable of being economically manufactured in a small foundry without the installation of special and elaborate machinery, whereby they may be produced in various repair shops local to different railroad centers" (lines 15-20), including illustrations.
Date: May 29, 1917
Creator: Christensen, Jacob V. C. T.
Partner: UNT Libraries Government Documents Department
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