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Rotary-Engine.

Description: Patent for a new and improved rotary engine. This design consists "of a wheel provided with radially-sliding pistons and revolving within a fixed circumferential steam-chest, and having fixed on its axle an eccentric and spring, that operate to throw the pistons or floats outward to receive the pressure of the steam or other motor that is to drive the engine" (lines 19-26).
Date: January 20, 1880
Creator: Adams, James Ansley
Partner: UNT Libraries Government Documents Department

[Letter from Alan Allen to Edwin (Lanny) Hall, January 20, 1983]

Description: Letter from Alan Allen to Lanny Hall, January 20, 1983, in regards to the Wildlife Conservation Act. In his letter, Allen has included a survey from hunters apart of the Sportsmen's Club of Texas (SCOT), that was performed by Dr. John K. Thomas and Clark E. Adams of Texas A&M University - stating that Texas Parks and Wildlife should retain the full authority of wildlife.
Date: January 20, 1983
Creator: Allen, Alan
Partner: UNT Libraries Special Collections

[Invoice for Cans of Nicofume]

Description: Invoice for items sold to Daniel W. Kempner of Plantersville Nurseries by American Florist Supply Co., including twelve half-pound cans of Nicofume for $5.50, marked paid by check on the 2nd of February, 1954.
Date: January 20, 1954
Creator: American Florist Supply Company
Partner: Rosenberg Library
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