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Chest for Piston-Valves.

Description: Patent for a valve chest "fitted for the reception and operation of a piston valve, easily applying to a piston cylinder of a locomotive in place of a removed slide-valve chest without loss of the cylinder, adapting to use superheated steam and high pressure." (lines 11-19).
Date: May 23, 1916
Creator: Dawson, Lance L. & Roach, John L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Harvester

Description: Patent for a cotton harvester "with an improved arrangement of combined gathering and picking arms" (lines 12-13) to more effectively obtain the cotton bolls (i.e. balls), including illustrations.
Date: March 29, 1921
Creator: Stanton, John T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Air-Brake Applier.

Description: Patent for automatic air brake applier to release the air in the train pipe with a resultant application of the brakes upon a car wheel leaving the tracks, including illustration.
Date: December 16, 1913
Creator: Hall, Charles E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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