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Seed Planter.

Description: Patent for a new and improved seed planter. This design "relates to machines for dropping or planting cotton, corn, or other seed, and has for its object to provide a device embodying simplicity, convenience, cheapness, and efficiency. To this end it consists in certain improvements in construction and operation of the same" (lines 12-18).
Date: March 13, 1883
Creator: Lowder, John Ellis
Partner: UNT Libraries Government Documents Department

Sash Fastener.

Description: Patent for a new and improved sash-fastener. This design consists "[t]he combination, [of] an angle-bracket having an opening produced in its horizontal member wider at its top than at its bottom, and an essentially yoke-shaped bar passed through the said opening, [and] a thumb-lever hinged in the vertical member of the bracket, extending over and parallel with the horizontal member of said bracket, and a lip integral with the under edge of the lever, concavo-convex in cross-section, and capable of entering the opening in the bracket and contacting with . . . the yoke-like bar" (lines 7-19).
Date: August 13, 1889
Creator: Miller, Charles H. & McDonald, Samuel A.
Partner: UNT Libraries Government Documents Department

Calculator.

Description: Patent for a calculator "in which a bar having a series of numbers thereon slides in a frame or base also provided with a series of numbers" (lines 10-12). It is meant for quickly adding numbers.
Date: October 13, 1896
Creator: Copeland, Wesley Albert & Roberts, Cyrus
Partner: UNT Libraries Government Documents Department