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Heydrick's Ownership Map of Gray Co., Texas.

Description: Survey map of Gray County, Texas, showing property lines, ownership, and plat numbers. The map also includes towns, boundaries, bodies of water, railroad lines, and roads. A legend indicating drilling wells, gas wells, abandoned wells, and dry holes is included in the upper-right corner of the second sheet. Scale [ca. 1:48,000] (4000 feet to the inch).
Date: 1947
Partner: Hardin-Simmons University Library

Gray County

Description: Blue line print of survey map of Gray County, showing rivers, creeks, original land grants or surveys, blocks of land, cities, towns, and railroads. Scale [ca. 1:177,778] (2000 varas to 3/8 of an inch).
Date: 1900
Creator: Texas. General Land Office.
Partner: Hardin-Simmons University Library

Beet Harvesting Machine

Description: Patent for a machine that will harvest beets with only two operatives and not made of "heavy construction." Includes instructions and illustrations.
Date: October 13, 1914
Creator: Stone, John
Partner: UNT Libraries Government Documents Department

Rake.

Description: Patent for a rake with curved ends and multiple teeth that hold the material and keep it from going to the sides.
Date: August 15, 1916
Creator: Green, Ella M.
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for a new rotary engine containing a steam chest to hold fluid which flows into an exhaust chamber to reduce back pressure.
Date: May 19, 1914
Creator: Rhoades, Charles A.
Partner: UNT Libraries Government Documents Department

Pencil-Sharpener.

Description: Patent for an improved pencil sharpening attachment that attaches to the driving shaft of the motor of an electric fan. The fan serves the purpose of acting as a fan and sharpening a pencil.
Date: September 12, 1916
Creator: Dodd, Chester C.
Partner: UNT Libraries Government Documents Department

Beet-Harvester

Description: Patent for a beet-harvester that improves the efficiency and lowers the cost of beet-gripping devices, including illustrations.
Date: December 22, 1914
Creator: Stone, John E.
Partner: UNT Libraries Government Documents Department

File-Cabinet

Description: Patent for a filing cabinet to be used in retail stores and business places. Illustrations included.
Date: April 5, 1910
Creator: Ball, William J.
Partner: UNT Libraries Government Documents Department

Washer.

Description: Patent for a hinged washer, which can be removed from a bolt without removing the nut.
Date: February 8, 1910
Creator: Vannoy, John B.
Partner: UNT Libraries Government Documents Department

Valve.

Description: Patent for a valve for water hydrants, which can be easily drained.
Date: April 5, 1910
Creator: Biggers, Samuel A.
Partner: UNT Libraries Government Documents Department

Gray County

Description: Map of the Panhandle Plains region covering Gray County, Texas. The center of Gray County is marked on map. Scale ca. 1:133,334 (4000 varas per inch).
Date: August 1889
Partner: Texas General Land Office

Gray County

Description: Map of the Panhandle Plains region covering Gray County, Texas. The land shown on the map is part of the Jack Land District and the Bexar Land District. Scale ca. 1:133,334 (4000 varas per inch).
Date: November 1878
Partner: Texas General Land Office