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Improvement in Processes of Reducing Asphaltum to a Liquid.

Description: Patent for a process to "reduce asphaltum to a liquid, and hold the same in a semi-fluid condition without heat, and which constitutes an entirely new article of commerce, and furnishes to the trade an article of asphaltum prepared and ready for use, without the labor, expense, and delay of melting, for paving and roofing purposes, and one most admirably adapted for use by manufacturers of varnish and japan." (Lines 8-16) Includes instructions and illustrations.
Date: April 20, 1875
Creator: Lee, Archibald K.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-Brakes.

Description: Patent for "car-brakes that work automatically and without manual intervention as soon as the locomotive is stopped." (Lines 12-14) Includes instructions and illustrations.
Date: June 1, 1875
Creator: Kirtley, Fielding L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-Brakes.

Description: Patent for "a means for the automatic application of brakes to the cars of a railway-train; and it consists in a loosely-moving draw-bar attached to the car by means of bolts passing through a central longitudinal slot, and having its sides wrought into two rack-bars, which mesh with pinions upon two windlass-shafts; which arrangement, when the locomotive is "slowed," causes the impact of the cars to drive up the draw-bars and wind up cords upon the windlass-shafts, which communicated with and … more
Date: June 1, 1875
Creator: Kirtley, Fielding L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-couplings

Description: Patent for "an automatic car-coupling, that may also be readily coupled with the common pin-and-link and other couplings, and be adjusted without going between the cars, so as to avoid all danger" (lines 14-18).
Date: August 24, 1875
Creator: Harper, Peter
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Car-Couplings.

Description: Patent for "an improved automatic car-coupling that may be readily uncoupled from the side and top, and be employed to couple cars of different heights." (Lines 13-16) Includes instructions and illustrations.
Date: November 16, 1875
Creator: Ford, Oscar E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

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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