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Johnson County

Description: Map of Johnson County, Texas, including the Prairies and Lakes region. Scale ca. 1:133,334 (4000 varas per inch).
Date: June 1874
Creator: Thielepape, George J. & Lungkwitz, Herman
Item Type: Refine your search to only Map
Partner: Texas General Land Office

Improvement in Wheel-Cultivators.

Description: Patent for "an improved wheel-cultivator, which shall be so constructed that it may be readily adjusted for use in marking the ground, covering the seed, and cultivating the plants." (Lines 9-13) Includes instructions and illustrations.
Date: July 25, 1876
Creator: Riddle, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Sulky-Plows.

Description: Patent for an invention of a new and improved sulky-plow, "which shall be so constructed that it may be readily adjusted to cause the plow to take or leave land, and to work at any desired depth in the ground, which will enable the plow to be readily raised from the ground" (lines 13-17). Illustrations included.
Date: February 20, 1877
Creator: Riddle, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Rotary Engines.

Description: Patent for Improvement in Rotary Engines concerning "the arms of the frame" (lines 9), which are powered by steam and "steam valves with arms" (line 17) including a detailed explanation and description of the illustration.
Date: February 5, 1878
Creator: Evens, George
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Horse-Powers.

Description: Patent for a "means for driving cotton-gins and other light machinery by animal power; and it relates to that form of animal-power apparatus termed the vertical tread-wheel." (Lines 6-10) Includes instructions and illustrations.
Date: May 12, 1874
Creator: Powell, James M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for improvement in bale-ties. "This invention relates to that class of ties or hoops for cotton-bales, in which the band of hoop iron is provided with rigid hooks, studs, or buttons, and matching perforations as means for adjustably uniting the ends."
Date: November 30, 1875
Creator: Powell, Amos N.
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
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