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Mechanical Power.

Description: Patent for a machine that "has relation to mechanical powers designed for stump-pulling, hoisting heavy weights, &c.; and it consists in the construction and novel arrangement of parts" (lines 21-24).
Date: April 29, 1884
Creator: Gray, William Smith
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boll-Weevil or Other Insect Destroyer.

Description: Patent for improvement to the machine set forth in the patent granted to John S. Doak and Alexander G. Farrington on April, 1902, No. 696419. (Page 1, lines 12-14.) The improvements are to use “a pair of troughs connected to a truck and provided with upwardly-projecting wings on their outer edges, spring-arms attached to the truck and pressing normally against the wings and the outside parts of the troughs, spiral springs adjustably mounted on the truck and pressing against the spring-arms, an… more
Date: March 28, 1905
Creator: Doak, John S. & Farrington, Alexander G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Corn-Harvester.

Description: Patent for an improved, simple, and durable corn harvester that "when drawn over a field of corn of cutting the ears of corn from two rows simultaneously, and of depositing the cut corn in a receiver at the rear of the cutters" (lines 11-15).
Date: October 10, 1893
Creator: Perkins, James Edward
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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