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[Map of Indian Territory]

Description: Military map of the Indian Territory surrounding the U.S. Army post Camp Supply, showing rivers, creeks, roads, military trails, and areas of elevation, with relief shown in hachures. The map also includes notes on the landscape, such as the height of a ravine and the lack of grass in a particular area.
Date: 1934?
Creator: Ruffner, E. H. & Hunnius, Ado
Item Type: Refine your search to only Map
Partner: Hardin-Simmons University Library

Post Hole Auger

Description: Patent for an improved post-hole digger/auger with multiple blades that cut in a spiral pattern and has the blades adjust and lock on the base. The blade shanks form a cage and keeps dirt from clogging the blades.
Date: May 22, 1915
Creator: Hoover, Orville M. & Ardery, Sarah, J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fastening

Description: Patent for fastening. This invention is comprised of a threaded member and a socket that are adapted to a screw. Illustration included.
Date: October 26, 1909
Creator: Percival, Herbert E. & Key, Brewer W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail Fastening

Description: Patent for rail fastening. This invention is designed to fasten railroad rails and consists spikes, bolts, and a flange. Illustration included.
Date: June 15, 1909
Creator: Percival, Herbert E. & Key, Brewer W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rail-Fastening.

Description: Patent for a rail fastening for padding the connection between the rail and the tie, which has a stronger connection than previous versions of this type of device.
Date: December 24, 1907
Creator: Percival, Herbert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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