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Improvement in Steam-Engines.

Description: Patent related to "improvements in steam-engines. The object...is to devise means whereby the valves may be actuated automatically without the employment of exterior mechanisms by the use of exhaust-steam" (lines 17-22). Includes instructions and illustration.
Date: July 1, 1879
Creator: Garlock, William H. & Cooke, Richard
Partner: UNT Libraries Government Documents Department

Improvement in Earth-Boring Machines.

Description: Patent for improvements in earth-boring machines with new design and connections, including illustrations.
Date: January 1, 1878
Creator: Yarborough, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for improvements in churns with specific improvements in dasher-rods and lids. This patent includes illustrations.
Date: January 1, 1878
Creator: Davis, Henry T.
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 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 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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