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Plow.

Description: Patent for "new and useful improvements in plows; and it has for its object the production of simple and highly-efficient means for regulating the depth and penetration of the plowshare in all kinds and conditions of soil." (Lines 10-15) Includes instructions and illustrations.
Date: October 22, 1895
Creator: Sinclair, James & Sellers, John
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for a cotton chopper that connects to other machines, such as cultivators.
Date: April 22, 1913
Creator: Jones, Martin A.
Partner: UNT Libraries Government Documents Department

Sash Fastener

Description: Patent for a window sash fastener. Illustration included.
Date: November 22, 1904
Creator: Clements, John H.
Partner: UNT Libraries Government Documents Department

Improvement in Pulverizing Subsoil-Plows.

Description: Patent for an improvement in subsoil plows to pulverize soils, including illustrations.
Date: September 22, 1874
Creator: Mangham, Josiah T.
Partner: UNT Libraries Government Documents Department
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