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Transmission Mechanism

Description: Patent for a transmission mechanism that converts motion into power to increase the efficiency of the device.
Date: September 29, 1914
Creator: Martinez, Norberto & Wahrenberger, Theophilus
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow. Illustration included.
Date: June 16, 1908
Creator: Goldtrap, William H.
Partner: UNT Libraries Government Documents Department

Crate

Description: Patent for a cylindrical crate. Illustration included.
Date: September 14, 1909
Creator: Burwell, Charles B.
Partner: UNT Libraries Government Documents Department

Texas: Fowlerton Quadrangle: Grid Zone "D"

Description: Topographic quadrangle map of Fowlerton, Texas, showing roads and highways, ranches and farms, towns, water bodies, boundaries, and landmarks. Relief shown by contours (interval 20 feet) and spot heights. Scale 1:62,500
Date: 1956
Creator: Lukesh, G. R.; Rehberg, A. & Barr, J. L.
Partner: Hardin-Simmons University Library

La Salle County

Description: Blueline format of survey of La Salle County, Texas, showing blocks of land, rivers, creeks, land grants, and roads. Handwritten notes have been made on the back of the map. No scale information given.
Date: 1879
Partner: Hardin-Simmons University Library

La Salle County

Description: Survey map of La Salle County, Texas, showing property lines, ownership, land grants, and plat numbers. The map also includes rivers, creeks, cities, towns, and railroads. Scale [ca. 1:200,000] (6000 varas to the inch).
Date: September 1923
Creator: Giles, J. Bascom & Atlee, Tom
Partner: Hardin-Simmons University Library

Combination-Tool.

Description: Patent for "a simple and effective tool designed especially for wire-fence working and combining in a single implement a hatchet, nail-claw, staple-puller, wire kinker or twister, and wire-cutter." (Lines 13-16) Includes instructions and illustrations.
Date: October 12, 1897
Creator: Ponkney, August C.
Partner: UNT Libraries Government Documents Department

Rod-Coupling Device.

Description: Patent for a rod-coupling device, "to provide a simple, convenient, and effective device for the pump plunger-rods of windmills and the like" (lines 12-15). Includes instructions and illustrations.
Date: October 12, 1897
Creator: Ponkney, August C.
Partner: UNT Libraries Government Documents Department

Combined Hatchet and Wire-Tightener.

Description: Patent for a device that operates as a hatchet and as a wire-twisting device, so that "slack may be taken up in fence-wires as fast as it occurs" (lines 11-12). The wire-tightener is two triangles stick out from the side of the hatchet, where the operator can pinch the wire.
Date: January 5, 1897
Creator: Keck, Edgar A.
Partner: UNT Libraries Government Documents Department

Transmission mechanism

Description: Patent for transmission mechanism of which minimum number of parts are working with uniform force and with multiplied power and without decreasing the strength and durability.
Date: July 11, 1916
Creator: Norberto Martinez
Partner: UNT Libraries Government Documents Department

Weight-Motor.

Description: Patent for invention of a machine in which reciprocating motion is converted in to rotary motion with more power. In this invention maximum propelling force is obtained without excessive energy.
Date: July 11, 1916
Creator: Martinez, Norberto.
Partner: UNT Libraries Government Documents Department

Cotulla 1933 Sheet 1

Description: Sanborn map sheet showing an area of Cotulla in La Salle County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1933
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

Cotulla 1933 Sheet 4

Description: Sanborn map sheet showing an area of Cotulla in La Salle County, Texas, including geographic features, buildings, and details related to risk assessment for fire insurance.
Date: 1933
Creator: Sanborn Map Company
Partner: The Dolph Briscoe Center for American History

La Salle County

Description: Map of La Salle County, Texas, including the South Texas Plains region. Scale ca. 1:133,334 (4000 varas per inch).
Date: 1877
Creator: Arlitt, F. H.
Partner: Texas General Land Office

La Salle County

Description: Map of La Salle County, Texas, including the South Texas Plains region. The road from Fort Ewell to Corpus Christi, Texas is marked on map. Scale ca. 1:133,334 (4000 varas per inch).
Date: 1877
Partner: Texas General Land Office

La Salle County

Description: Map of La Salle County, Texas, including the South Texas Plains region. Scale ca. 1:133,334 (4000 varas per inch).
Date: July 1878
Creator: Langermann, A. B.
Partner: Texas General Land Office