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Improvement in Valve-Gear for Steam-Engines.

Description: Patent for "an improvement in steam-engines which shall be so constructed as to give a full application of the steam and a free exhaust at regular intervals, which will enable the engine to be easily reversed, can be easily attached to any engine, which will enable an engine to be worked by water-pressure, will run smoothly and with very little friction, and will be very durable." (Lines 11-19) Includes instructions and illustrations.
Date: July 24, 1877
Creator: Davis, James H. & White, William
Partner: UNT Libraries Government Documents Department

Improvement in Gin-Saw-Filing Machines.

Description: Patent for a "gin-saw-filing machine consisting, essentially, of a rotary and intermittingly movable file, of an intermittingly-operated feed and check device, and of adjustable reciprocating sharpening-files".
Date: July 24, 1877
Creator: Eastham, Albert S.
Partner: UNT Libraries Government Documents Department

Improvement in Car Brakes and Starters

Description: Patent for improvements in rail road-car breaks, starters, and checkers. "The nature of the invention consists in certain constructions, combinations, and arrangements of parts" (lines 19-21).
Date: April 24, 1877
Creator: Marean, William
Partner: UNT Libraries Government Documents Department

Improvement in Car-Couplings.

Description: Patent for improved construction and arrangement of car-couplings.
Date: July 24, 1877
Creator: McCarty, Ezra B. & Heagerty, James
Partner: UNT Libraries Government Documents Department
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