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Hay Press.

Description: Patent for a new and improved hay-press. This design "is to produce a hay-press of simple construction that will work easily and rapidly, that will operate in such a manner that the hay cannot clog in the press, and in which the plunger or follower will be automatically reciprocated by a continuous motion of the main pulley" (lines 9-15). It consists, "with the plunger having a sideways-extending arm, a screw-shaft connected with the plunger and having a sideways-extending arm, the pinion on th… more
Date: January 13, 1891
Creator: Donald, Frank
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Releasing Device For Brakes Of Drive-Wheels.

Description: Patent for "releasing devices for the brakes of drive-wheels of locomotives, whereby the brakes are instantaneously released at the time the train is in motion and before the braked drive-wheels are on the point of sliding on the rails, also before the triple valve acts to release the brakes." (Lines 15-21) Includes instructions and illustrations.
Date: July 13, 1897
Creator: Pelham, Walter O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Automatic Damper-Regulator.

Description: Patent for an automatic steam damper-regulator that is simply constructed, and can quickly close and open its damper in the flue of the boiler or furnace.
Date: February 13, 1894
Creator: Gaston, Stephen M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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