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Drill.

Description: Patent for a new and improved drill. This design consists in "the combination, with the main shaft carrying two bevel gear-wheels, of a shaft carrying a bevel gear-wheel adapted to be connected alternately with the two bevel gear-wheels on said main shaft, a pinion secured on the said shaft, and a disk provided with a bevel gear-wheel meshing in the said pinion, said disk being connected with the drilling-tool, so that the latter can move freely up and down, but is turned by the said disk" (lin… more
Date: June 26, 1888
Creator: Godwin, John Calhoon.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for a new and improved plow. This design consists in "[t]he combination, with a plow-beam, of a plow-standard pivotally secured to the rear end of said beam, a brace pivotally secured to the standard, and a sliding clamp for securing the front end of the brace to the beam" (lines 90-94).
Date: April 13, 1886
Creator: Ketchum, Joel Thomas
Partner: UNT Libraries Government Documents Department
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