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Improvement in Gang-Plows.

Description: Patent for "a novel means of hanging the gang of plows beneath the draft-frame, in combination with levers and link-connections, whereby the plows can be adjusted to run at any desired depth, and firmly held after the adjustment." (Lines 18-23) Includes instructions and illustrations.
Date: December 21, 1875
Creator: McCormick, John R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvements in Cotton-Gins

Description: Patent for improvement in the Cotton-Gin with moveable brushes. This object is designed to make the brushes on the cotton machine move closer to the saw when they become shortened from constant use. This will improve the quality of the machine like a brand new equipment.
Date: June 22, 1875
Creator: Koehl, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Compound Engines.

Description: Patent for "a series of engines for working the steam over by exhausting it from the first into the second, and so on, for utilizing the pressure lost when steam is exhausted from a single engine into the air..." (lines 7-11) including instructions and illustrations.
Date: February 16, 1875
Creator: Bell, Jackson W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Pile-Drivers.

Description: Patent for an improved pile-driver device which automates the release of the pile-driver hammer as well as including a perpendicular device which advances the device longitudinally as the work progresses.
Date: January 22, 1875
Creator: McDermott, Martin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for "plow mold-boards to which the black land of Texas, and other similar soils, will not adhere, so that a furrow can be turned, however sticky and waxy the soil may be." (lines 14-18) including instructions and illustrations.
Date: May 18, 1875
Creator: Bell, Francis R.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Farm Gates.

Description: Patent for "a gate herein I dispense with the use of hinges and other similar devices and prevent sagging; also that the operation of opening or shutting the gate, owing to its balanced and suspended condition, is attended with little or no exertion on the part of the operator..." (lines 84-90) including instructions and illustrations.
Date: June 15, 1875
Creator: Snider, Tunis
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Carburaters

Description: Patent of an improvement for a carbureter that furnishes the apparatus for enriching the vapors of gasoline or other light hydrocarbon.
Date: October 19, 1875
Creator: Pollard, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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