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Map of Wood County

Description: Cadastral map of Wood County, Texas in the Piney Woods region. Bodies of water are marked in color. Scale ca. 1:133,334 (4000 varas per inch).
Date: March 5, 1877
Item Type: Refine your search to only Map
Partner: Texas General Land Office

Improvement in Valve-Gear for Steam-Engines.

Description: Patent for "an improvement in steam-engines which shall be so constructed as to give a full application of the steam and a free exhaust at regular intervals, which will enable the engine to be easily reversed, can be easily attached to any engine, which will enable an engine to be worked by water-pressure, will run smoothly and with very little friction, and will be very durable." (Lines 11-19) Includes instructions and illustrations.
Date: July 24, 1877
Creator: Davis, James H. & White, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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