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Description: Hand-colored map of Mexico and the surrounding areas, including Texas and parts of the southwestern United States. The Mexican states are outlined in various colors. Some places are marked as well as bodies of water and geographic features with relief shown by hachures. There is an inset of Guatemala in the lower-left corner.
Date: unknown
Partner: Star of the Republic Museum

Improvement in Feeders for Cotton-Gins.

Description: Patent for the improvement of cotton-gin by feeding cotton in a uniform manner of removing sand and dirt, separating hulls, leaves, and imperfect pods for improved quality and reducing physical labor, including illustration.
Date: September 11, 1860
Creator: Hall, S. Z.
Partner: UNT Libraries Government Documents Department

Double Acting Pump

Description: Patent for a double action pump. "This invention relates to improvements in double-acting pumps; and its object is to provide a vertical double-acting pump in which provision is made for automatically exhausting the air from the upper portion of the piston-chamber" (line 11-16) illustration included.
Date: June 23, 1903
Creator: Hall, S. N.
Partner: UNT Libraries Government Documents Department

Railroad Motor-Car

Description: Patent for railroad motor-car. The invention is "constructed that they can be knocked down to be loaded on passenger trains" (lines 11-13). Illustrations included.
Date: February 22, 1910
Creator: Reynolds, Stephen D.
Partner: UNT Libraries Government Documents Department