Potter County

Potter County

Date: 1909
Creator: McDonald, H. F. & Terrell, O. O.
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).
Contributing Partner: Hardin-Simmons University Library
McGee Oil Well

McGee Oil Well

Date: unknown
Creator: unknown
Description: Photograph of the oil derrick and oil well at the McGee Well site near Amarillo, Texas.
Contributing Partner: Permian Basin Petroleum Museum, Library and Hall of Fame
[Portrait of unidentified toddler]

[Portrait of unidentified toddler]

Date: unknown
Creator: Gray
Description: Portrait of an unidentified toddler wearing a dress and sitting on a rug.
Contributing Partner: Denton Public Library
Window Frame And Sash.

Window Frame And Sash.

Date: February 6, 1900
Creator: Wood, Alpheus H. & Tunnell, John D.
Description: Patent for new and useful improvements in window frames and sashes, including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Spur.

Spur.

Date: August 7, 1900
Creator: Jackson, Claude D.
Description: Patent for a new and improved spur; including illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Lock-Plate

Lock-Plate

Date: March 22, 1900
Creator: Wood, Alpheus H
Description: Patent for improvements in lock-plates for the stays of wire fences.
Contributing Partner: UNT Libraries Government Documents Department
Riding-Spur.

Riding-Spur.

Date: March 4, 1902
Creator: Ridings, John G.
Description: Patent for improvement in riding-spurs for horsemen by “using an open-ended socket, a shank having limited sliding movement in the socket, a rowel freely journaled at the outer end of the shank, and a spring inclosed within the socket and serving to hold the shank normally outward, the tines or points of the rowel being adapted to engage the socket and secure the rowel against rotation when the shank is pressed inward.” (P. 2, lines 6-14.) Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Car-Coupling.

Car-Coupling.

Date: November 6, 1894
Creator: Tunnell, John D.
Description: Patent for "improvements in car couplings and it has for its general object to provide a coupling embodying such a constructions that two cars may be connected together or disconnected without the objectionable necessity of a trainman going between them." (Lines 11-17) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Ditching-Machine

Ditching-Machine

Date: December 18, 1888
Creator: Edwards, Charles Clark
Description: Patent for "a machine for digging ditches or trenches of any desired depth or width, for purposes of irrigation or drainage or pipe-laying, or for building earth fences on lands, or throwing up fortifications, or for making other excavations of like general nature" (lines 7-13).
Contributing Partner: UNT Libraries Government Documents Department
Car-Coupling.

Car-Coupling.

Date: November 7, 1893
Creator: Cassidy, William A. & McGee, Thomas F.
Description: Patent for a car coupling that consists of a draw head with two separable jaws, a hand wheel mounted on the car, pitmen connected to the wheel and the jaws, springs pressing the jaws together, and a shaft that has a crank arm.
Contributing Partner: UNT Libraries Government Documents Department
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