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Pump Working Barrel.

Description: Patent for a pump working barrel, construction of glass pump cylinder
Date: November 11, 1913
Creator: Kilburn, John Franklin
Partner: UNT Libraries Government Documents Department

Stamp and Coin Envelop.

Description: Patent for stamp and coin envelope that has "a separate pocket for receiving coin, postage stamps or sundry articles to be transmitted through the mail in such a manner as to be kept separate from the contents of the envelop and also to insure safe delivery" (lines 9-14), including illustrations.
Date: November 4, 1913
Creator: Zivley, Dennis C.
Partner: UNT Libraries Government Documents Department

Gate.

Description: Patent for a gate "in which the one hinge point is adapted to be shifted to cause the gate to swing in one direction or the other... [by] providing means for shifting the hinge point of the gate from a carriage or a wagon on the roadway without leaving the latter" (lines 11-13, 15-17); including instructions and illustrations.
Date: November 11, 1913
Creator: Craig, Sam A.
Partner: UNT Libraries Government Documents Department
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