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Horse-Collar.

Description: Patent for a "simpler, less expensive" (line 22) horse collar, with an adjustable, laced seam that utilizes less material than other collars. Includes instructions and illustration.
Date: March 28, 1916
Creator: Hendrix, John M.
Partner: UNT Libraries Government Documents Department

Improvement in Chair-Backs.

Description: Patent for chair back.
Date: March 10, 1874
Creator: Perrenet, George F.
Partner: UNT Libraries Government Documents Department

Apparatus for Scouring Water-Ways.

Description: Patent for an improved apparatus for scouring water-ways by using water-discharge pipes and air-discharge pipes arranged at each side of the vessel. When “vessel is slowly moved forward while the water and air forcing pumps are working,..... direct force of the water-jets and air-jets will agitate and scatter and lift the dislodged particles and float them much higher and longer than would be the case were the water-jet pipes alone used.” (Lines 63-75) Illustration is included.
Date: March 31, 1891
Creator: Holden, Elbridge G.
Partner: UNT Libraries Government Documents Department
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