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Umbrella and Sun Shade.

Description: Patent for a new and improved (sun) umbrella. This design utilizes an adjustable metal frame that can be attached to a piece of equipment (e.g., a tractor) or worn comfortably by a person. This allows for hands-free use while being protected from the sun and/or rain.
Date: February 8, 1881
Creator: Gray, Hiram Balderston
Partner: UNT Libraries Government Documents Department

Manufacture of Hydraulic Cement and Lime.

Description: Patent for improvement in“the manufacture of hydraulic cement or lime form rotten or decomposed limestone” (lines 66-68).
Date: February 8, 1881
Creator: Dimelow, John
Partner: UNT Libraries Government Documents Department
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