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Potter County

Description: Blue line print of survey map of Potter County, Texas, showing rivers, creeks, original land grants or surveys, blocks of land, cities, towns, and railroads. Scale [ca. 1:190,476] (5000 varas to 7/8 of an inch).
Date: 1909
Creator: McDonald, H. F. & Terrell, O. O.
Partner: Hardin-Simmons University Library

[Trading Card: Hoodoo]

Description: Trading card issued as part of the Geocache Challenge program for Palo Duro Canyon State Park, depicting the Devil's Tombstone hoodoo, a landmark on the lighthouse trail at the park. Information about the landmark is on the back.
Date: 2011
Creator: Texas. Parks and Wildlife Department.
Partner: UNT Libraries Government Documents Department

Churning-Machine.

Description: Patent for improvements in churning machines so that they "may be used in connection with containers of different sizes" (lines 14-15).
Date: April 7, 1914
Creator: Crume, John J.
Partner: UNT Libraries Government Documents Department

Street-Indicator for Cars

Description: Patent for a device that allows passengers to press a button that tells the driver at which streets to stop.
Date: February 10, 1914
Creator: Hamilton, Burnett & Timmons, Cyrus C.
Partner: UNT Libraries Government Documents Department

Internal-Combustion Engine.

Description: Patent for a two-cycle, reciprocating piston internal combustion engine that preheats incoming fuel and is designed to run smoothly and reduce vibration, including illustrations.
Date: January 12, 1915
Creator: Bukoviny, Frank W.
Partner: UNT Libraries Government Documents Department

Stock Tank

Description: Patent for an improved water tank for livestock, connecting an elevated reservoir to a trough at ground level.
Date: August 19, 1902
Creator: Wright, Wayne C.
Partner: UNT Libraries Government Documents Department

Valve Setting Machine

Description: Patent for a valve setting machine. This invention is a machine for "revolving the main driving wheel of a locomotive to set the valves (11-12). Illustration included.
Date: August 4, 1908
Creator: Wyllie, Robert E. & Twohig, John D.
Partner: UNT Libraries Government Documents Department

Sand Screen

Description: Patent for a sand screen. This invention is for sifting and screening sand. Illustration included.
Date: October 25, 1910
Creator: Tress, Paul G.
Partner: UNT Libraries Government Documents Department

Door-Hanger

Description: Patent for a door hanger for sliding doors to prevent them from swinging outward.
Date: January 28, 1913
Creator: Matheson, John William
Partner: UNT Libraries Government Documents Department