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Wrench

Description: Patent for improved construction and function of wrenches. Improvements include a more simple, durable, and inexpensive method of construction and arrangement of the adjustable jaw as to allow a single hand to hold and adjust the wrench simultaneously.
Date: July 29, 1913
Creator: Ashliman, Adolph E.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper that attaches to a cultivator and cuts the rows of cotton evenly.
Date: October 17, 1911
Creator: Ashlimann, Adolf E.
Partner: UNT Libraries Government Documents Department

Carpenter's Square.

Description: Patent for a carpenter's square, which has a table of rafter cut measurements, a table of measurements in inches, and the standard carpenter's measure table.
Date: October 19, 1909
Creator: Bailey, Louis Eugene
Partner: UNT Libraries Government Documents Department
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