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Improvement in Tenoning-Machines

Description: Patent for an improvement in tenoning-machines, including saws, gauges, flanges, and hinged plates.
Date: April 18, 1871
Creator: Bourland, Melton S.
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improvements in reversible plows: "The object of the present invention is to simplify and improve the construction of reversible plows and enable them to be adjusted to any desired depth" (lines 9-12).
Date: August 18, 1891
Creator: McKay, Robert B.
Partner: UNT Libraries Government Documents Department
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