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Clay Co.

Description: Blue line print of survey map of Clay County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, and railroads. Scale [ca. 1:228,571] (6000 varas to 7/8 of an inch).
Date: 1924
Creator: Morriss, G. C. & Giles, J. Bascom
Item Type: Refine your search to only Map
Partner: Hardin-Simmons University Library

Car Coupler.

Description: Patent for car coupler heads. This object has coupler heads that, when set in position, automatically lock.
Date: September 11, 1923
Creator: Tucker, Roger V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fire-Engine.

Description: Patent for "an apparatus for extinguishing the fire in oil wells and the principal object of the invention is the provide means for creating a suction at the mouth of the well for extinguishing the fire."
Date: August 31, 1920
Creator: Smith, Paul E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a cotton-chopper with two disk-cutters mounted to a supporting frame, which can be positioned parallel or at an angle to each other. Each disk-cutter is attached by a projecting arm, which provides foot support and allows each disk to be operated independently. Patent includes illustrations.
Date: November 23, 1920
Creator: Jones, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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