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
Quilting Attachment for Sewing-Machines.

Quilting Attachment for Sewing-Machines.

Date: February 13, 1894
Creator: Cassidy, William A.
Description: Patent for a quilting attachment for sewing machines that has all its parts adjustable. This allows the attachment to operate with a quilt of any pattern.
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
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
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
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
Clevis.

Clevis.

Date: January 30, 1894
Creator: Word, Aaron Matthias
Description: Patent for a simple, inexpensive, and improved clevis that can be easily manufactured and employed to a draft-beam. It can be used without a lapring in order to connect to a singletree. The singletree can have its "staple or eye...disposed in a plane with the said singletree" (lines 16-17).
Contributing Partner: UNT Libraries Government Documents Department
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