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Automatic Switch Indicator

Description: Patent for an automatic switch indicator. This invention is designed to "prevent accidents resulting from misplaced switches, due to the carelessness of the railroad employees or the inability of the engineer to see the customary track-signals" (line 14-19). Illustrations included.
Date: October 23, 1906
Creator: Coffin, Edward F.; Shaw, Carey & Green, Samuel
Partner: UNT Libraries Government Documents Department

Corn or Cotton Planter.

Description: Patent for a new and improved planter. This design consists in "the combination, with the hopper and the seed-slide therein having one end projecting from one end of the hopper, of the reciprocating yoke having its rear portion angular in cross-section and its front portion cylindrical in cross-section and having an arm at one end to engage the opening in the projecting end of the seed-slide, the angular and cylindrical bearings for the respective parts of the yoke, whereby the latter may be un… more
Date: April 23, 1889
Creator: Armstrong, John Joshua & Lowrey, Andrew Stephen
Partner: UNT Libraries Government Documents Department

Cotton Chopper and Cultivator Combined.

Description: Patent for improvement to a cotton-chopper with a "mechanism for cultivating the soil between the hills as well as for bringing the said hills to a regular form" (lines 18-20).
Date: February 23, 1886
Creator: Muray, Joseph L.
Partner: UNT Libraries Government Documents Department
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