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[Men with Machinery]

Description: Photograph of two men in a room with pieces of machinery. One man sits beside a piece of equipment to the right, while another man wearing overalls stands between two machines.
Date: unknown
Partner: Palo Pinto County Historical Association

Wagon-Bed Elevator

Description: Patent for a wagon-bed elevator that "is to provide an elevator for wagon-beds by means of which a single person can raise the bed from the wagon to any desired height and leave it suspended in position where it can be readily lowered upon the wagon again at any time" (p. 2).
Date: July 24, 1888
Creator: Holliday, William A., of Bagwell, Texas
Partner: UNT Libraries Government Documents Department

Mechanical Motor

Description: Patent for "a motor of cheap and simple construction, which is adapted for driving various classes of light machinery, and more especially for use in connection with fans, such as are commonly used for creating currents of air in bar-rooms, dining-rooms, and the like" (lines 16-22).
Date: July 9, 1889
Creator: Harpst, Edgar S.
Partner: UNT Libraries Government Documents Department

Improvement in Pumps.

Description: Patent relating to "improvements in double-acting pumps. The object is to devise a pump...[so] as to allow the admission of water at one end of and its discharge at the other" (lines 16-24). Includes instructions and illustration.
Date: July 1, 1879
Creator: Garlock, William H. & Cooke, Richard
Partner: UNT Libraries Government Documents Department

Improvement in Force-Pumps.

Description: Patent relating to "that class of force-pumps which are to be submerged and are double-acting" (lines 17-19). Includes instructions and illustration.
Date: July 8, 1879
Creator: Finney, James J.
Partner: UNT Libraries Government Documents Department

Fly Wheel.

Description: Patent for a design for "improvements in balance or fly wheels, and is adapted to be applied to many different classes of machinery" (lines 15-17). Includes illustrations.
Date: December 9, 1890
Creator: Cameron, Neill A.
Partner: UNT Libraries Government Documents Department

[LeTourneau Machinery]

Description: Photograph of two LeTourneau Industries employees repairing the wheels of one of the heavy machine earth movers designed and built by Robert G. LeTourneau of Longview, Texas. The immense tires were able to move over large boulders without straining the engine or damaging the equipment.
Date: 1948
Partner: Longview Public Library

[LeTourneau Industries]

Description: Photograph of one of the large bulldozers designed and built by Robert G. LeTourneau of Longview, Texas. LeTourneau designed and built machinery on such a large scale that his machinery was used all over the world in large projects, such as clearing land for building dams, airports and heavy offshore oil rigs. LeTourneau was a pioneer in his field, holding almost 300 patents for inventions. In the photograph, the bulldozer is parked next to an automobile.
Date: 1930~
Partner: Longview Public Library

[Three men standing around a lathe]

Description: Photograph of three unidentified men standing around a lathe in a workshop. Two of the men are wearing overalls, and the other is wearing a cap and a jacket. More pieces of machinery are visible in the background, and a truck is also visible behind the men.
Date: unknown
Partner: Denton Public Library