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Synthetic Adhesive Gum.

Description: Patent for certain new and useful improvements in the production of synthetic adhesive gums, including instructions and illustrations.
Date: November 14, 1899
Creator: Cunningham, Edward B. & Thele, Felix C.
Partner: UNT Libraries Government Documents Department

Nut and Bolt Wrench.

Description: Patent for a new and improved wrench. This design consists in "a wrench-head having a handle and a longitudinal slot through the wrench-head, a slidable bar having a jaw moving in said slot, a rack upon said bar, a worm-wheel in the wrench-head, meshing with the rack, and a jaw upon the wrench-head, jointly with a screw-driver inserted in the end of the slidable bar, said wrench-head having a plane outer surrounding surface in proximity to the longitudinal slot" (lines 1-10).
Date: August 23, 1892
Creator: Hoval, John
Partner: UNT Libraries Government Documents Department


Description: Patent for an improved farm gate that pivots in its center and can be swung in either direction. It is operated by a pull chord and levers. The pull chords are set on posts on either side of the gate, each side having two chords in order to open the gate in either direction. The posts also act as a brace to stop the gate from swinging further.
Date: December 26, 1893
Creator: Mulcahy, Richard T.
Partner: UNT Libraries Government Documents Department