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Stonewall County

Description: Blue line print of survey map of Stonewall County, Texas, showing rivers, creeks, mountains, original land grants or surveys, blocks of land, cities, and towns. Scale [ca. 1:190,476] (5000 varas to 7/8 of an inch).
Date: 1902
Creator: Morriss, J. W.
Partner: Hardin-Simmons University Library

Protractor.

Description: Patent for a new and improved protractor. This design "is to make a protractor or plotter by which may be calculated the length of the base, perpendicular, and hypotenuse of a right-angled triangle where the latitude and departure or the altitude and depression are given" (lines 15-20). To this end, it consists, "with the semicircular protractor provided with a rectangular opening the edges of which are graduated, and centrally-pivoted vernier, of the departure-scale arranged to move up or down within the said rectangular scale within the semicircular scale" (lines 6-12).
Date: June 10, 1890
Creator: Dolman, John H.
Partner: UNT Libraries Government Documents Department

Carriage Bow Support

Description: Patent for a carriage bow support. This invention is designed for use with buggies and absorb shock and jarring motions. Illustration included.
Date: January 15, 1907
Creator: Ledbetter, Rufus C.
Partner: UNT Libraries Government Documents Department

Sulky Plow

Description: Patent for a sulky plow. This invention is designed to "provide a simple, durable, and highly efficient means for angularly adjusting the rear caster or follower wheel, which runs in the newly-made furrow" (lines 16-19). Illustrations included.
Date: November 21, 1905
Creator: Zant, John S.
Partner: UNT Libraries Government Documents Department