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Motor.

Description: Patent for a new and improved motor. This design "relates to improvements in motors in which a screw or spiral operates in conjunction with suitable gearing; and the object of my improvement is to convert a vertically-reciprocating motion into a rotary for driving any light machinery" (lines 15-20).
Date: September 1, 1885
Creator: Chisholm, Toliver Lynn
Partner: UNT Libraries Government Documents Department

Improvement in Car-Couplings.

Description: Patent for an improvement in link and pin car-couplings, including illustrations.
Date: September 1, 1874
Creator: Moyer, Alexander L.
Partner: UNT Libraries Government Documents Department

Improvement in Ballast-Distributing Cars

Description: Patent for ballast-distributing design with new design in changing rails and weight from car to car, including illustrations.
Date: September 1, 1877
Creator: Dockstader, Adam B.
Partner: UNT Libraries Government Documents Department
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