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Exhaust-Steam Condenser.

Description: Patent for an exhaust-steam condenser meant for steam-engines in places where water needs to be conserved. It also "prevents the use of water for cooling the surfaces of the condenser" (lines 14-16).
Date: August 20, 1895
Creator: Bachman, Joseph A. & Goeth, Adolf C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Henry William Coit and family, Renner, Texas

Description: Photograph of 9 people standing on a steam tractor or attached gang plow. 2 women, three children, 4 men. The woman standing farthest right is veiled. The rear of the tractor is visible, in a partially plowed field. 2 women, 2 man, and 1 child (girl) are holding levers used to raise and lower the plows.
Date: 1900/1910
Item Type: Refine your search to only Photograph
Partner: Richardson Public Library

[The Mineral Wells Bottling Works]

Description: A number of the early mineral water wells bottled their product and sold it nationwide for its reputed health benefits. The name of this particular well, associated with this turn-of-the-20th-century endeavor, is not identified. It may well have been the inventor of the bottled water industry. This photograph shows what has been tentatively identified as a threshing machine, driven by a steam-powered tractor, parked outside the plant. This bottling plant also produced "Country Red" and "Cream… more
Date: 1900?
Item Type: Refine your search to only Photograph
Partner: Boyce Ditto Public Library

Cultivator Attachment.

Description: Patent for cultivator attachment that is useful in breaking up the soil at opposite side of the plants and leveling the ground between the rows. It can be adjusted to any desired angle (vertical, horizontal) or level (up and down).
Date: January 6, 1903
Creator: Brewer, John Meed
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Electric Attachment for Movable Objects.

Description: Patent for an electric device that can be attached to equipment such as plows or tractors which sends an electric current underground where the plow is going that prevents dirt from sticking to the equipment and clogging it when the ground is slightly wet.
Date: May 28, 1907
Creator: Dawkins, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

[Army Caterpillar Tractor]

Description: Photograph of an army caterpillar tractor pulling heavy artillery through mud. The flatbed wagon has become stuck in the mud. Marines are attempting to get the wagon out of the mud with the assistance of the tractor.
Date: [1910..1920]
Creator: Horne, Walter H., 1883-1921
Item Type: Refine your search to only Postcard
Partner: El Paso Public Library

[Siege Artillery on the Mexican Border]

Description: Photograph of a caterpillar tractor pulling heavy siege artillery on the Mexican border. According to the caption, this group of U.S. Marines is trying move a piece of siege artillery that has become stuck in the mud.
Date: [1910..1920]
Creator: Horne, Walter H., 1883-1921
Item Type: Refine your search to only Postcard
Partner: El Paso Public Library

Traction-Wheel.

Description: Patent for a traction wheel that has improved traction on muddy ground.
Date: July 12, 1910
Creator: Larson, Louis O.; Larsen, Arvid R. & Johnson, Sigfried
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Harrow Tooth.

Description: Patent for a new and improved harrow-tooth apparatus, which is attached to a tractor during farming. It will not injure the growing plants while still managing to break the crust of the furrow on each side of the row of plants, thus the improvement to the existing machinery allows the furrow crusts to be broken more effectually.
Date: May 13, 1913
Creator: Rutledge, Robert P. & Boland, Randsome G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piston

Description: The Patent for an improved piston to be used in connection with the cylinders of air brakes. The improvement involves making the removal and replacement of worn out packing material easier.
Date: July 22, 1913
Creator: King, Herbert G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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