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  Partner: UNT Libraries Government Documents Department
 County: Calhoun County, TX
 Decade: 1850-1859
Arrangement for Supplying Air to the Furnaces of Stem-Boilers from the Wheel-Houses of Steamers.

Arrangement for Supplying Air to the Furnaces of Stem-Boilers from the Wheel-Houses of Steamers.

Date: December 20, 1859
Creator: Brandy, Louis
Description: Patent for the "improvement in supplying air to furnaces on steamers" (lines 5-6), including illustration.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Cultivators.

Improvement in Cultivators.

Date: May 10, 1859
Creator: Doss, William C.
Description: Patent for a triangle shaped cultivator with removable mold-boards that can be used as a plow and scraper, including illustration.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Sewing-Machines.

Improvement in Sewing-Machines.

Date: November 15, 1859
Creator: Singer, E. C.
Description: Patent for improvement in sewing-machines by using two cams, one to operate the needle-arm and another to operate the feed and shuttle movements, illustration is included.
Contributing Partner: UNT Libraries Government Documents Department