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Atascosa Co.

Description: Blue line print of survey map of Atascosa County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, roads, and railroads. Handwritten notes have been made on the published map in red ink and pencil. Scale [ca. 1:213,333] (4000 varas to 5/8 of an inch).
Date: 1919
Creator: Von Rosenberg, E. & Davis, Grady W.
Partner: Hardin-Simmons University Library

Printing by Lithography

Description: Patent for improvements in lithography printing that further help reproduce worn or difficult engravings, as well as transfer and make impressions into engravings with slight loss of effect, while also providing a means in which the engraving or stone can be prepared expeditiously and inexpensively. (lines 10-25)
Date: March 2, 1915
Creator: Ray, James
Partner: UNT Libraries Government Documents Department

Railroad-Switch

Description: Patent for a railroad switch that is easier to use and more effective than the "common stub switch" (lines 10-11), thereby reducing damage.
Date: December 16, 1919
Creator: Cuellar, Samuel D.
Partner: UNT Libraries Government Documents Department

Pipe-Cutter

Description: Patent for improvements to pipe-cutters that can cut pipes of different sizes.
Date: February 19, 1918
Creator: Hime, Clint T.
Partner: UNT Libraries Government Documents Department

Railway Construction.

Description: Patent for "new and useful improvements in Railway Constructions" (lines 6-7) including instructions and illustrations.
Date: December 5, 1916
Creator: Oliver, Lavan; Oliver, Tilden B. & West, Gorge W.
Partner: UNT Libraries Government Documents Department

Mold for Tubular Articles.

Description: Patent for an improved mold for making concrete tubular casings for dug wells with opposite grooves so the casings can be connected together when used, with illustrations.
Date: May 8, 1917
Creator: Schuettig, Emil A.
Partner: UNT Libraries Government Documents Department
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