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Lubricating Device.

Description: Patent for a new and improved lubricating device. This design consists of "[t]he combination, with the cross-head of an engine or other reciprocating part of machinery, and the guides or ways on which it works, of a reservoir for the lubricant, a wheel for taking up and applying the same to the friction-surface with which the wheel works in contact, and a spring for supporting the wheel" (para. 10). This design prevents dust and other pollutants from entering the reservoir.
Date: January 22, 1878
Creator: Walton, Franklin B.
Partner: UNT Libraries Government Documents Department

Saw-Gin

Description: Patent for a saw-gin which when constructed can run all of its parts with a single belt, which reduces the need for space allowing for more gins to be used in the same amount of space.
Date: January 22, 1889
Creator: Munger, Robert S.
Partner: UNT Libraries Government Documents Department

Railroad Cattle-guard.

Description: Patent for an improved cattle-guard to keep livestock from crossing onto a railroad track or into railway property. This protects livestock and decreases railroad liability for loos of property. The invention includes a pivotal gate which runs parallel to the track that will go across the track to block animals if they try to cross the opening.
Date: January 22, 1918
Creator: Gidcumb, John T.
Partner: UNT Libraries Government Documents Department
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