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Improvement in Horse-Powers.

Description: Patent for a "means for driving cotton-gins and other light machinery by animal power; and it relates to that form of animal-power apparatus termed the vertical tread-wheel." (Lines 6-10) Includes instructions and illustrations.
Date: May 12, 1874
Creator: Powell, James M.
Partner: UNT Libraries Government Documents Department

Improvement in Guide-Wheels for Car-Trucks.

Description: Patent for a "device or attachment to car-trucks, &c., for preventing their being thrown off the track." (Lines 8-10) Includes instructions and illustrations.
Date: November 17, 1874
Creator: Hale, Nathan M.
Partner: UNT Libraries Government Documents Department

Improvement in Hay and Cotton Presses.

Description: Patent for a new and improved hay and cotton press, including illustrations.
Date: July 3, 1874
Creator: Kirtley, Fielding L
Partner: UNT Libraries Government Documents Department
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