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Map of Colorado County.

Description: Survey map of Colorado County, Texas, showing property lines, ownership, land grants, and plat numbers. The map also includes towns, roads, rivers, and creeks. No scale information given.
Date: 1841
Creator: Upshur, H. L.
Partner: Hardin-Simmons University Library

Colorado Co.

Description: Blue line print of survey map of Colorado County, Texas, showing rivers, creeks, original land grants or surveys, cities, towns, and railroads. Handwritten notes have been made on the published map in red ink to denote the addition of roads and crossings. Scale [ca. 1:213,333] (4000 varas to 5/8 of an inch).
Date: 1920
Creator: McDonald, H. F. & Giles, J. Bascom
Partner: Hardin-Simmons University Library

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

Plow.

Description: Patent for improvements to the turning-plow, with convertible attachments for other forms of plow.
Date: December 11, 1900
Creator: Armstrong, John Joshua, Sr.
Partner: UNT Libraries Government Documents Department

Well-Screen.

Description: Patent for improvements in well-screen by providing a symmetrical strainer which having an exceedingly firm and rigid frame; it is constructed as to interpose the least obstruction to the straining operation. (Lines 21-25) Illustration is included.
Date: December 8, 1903
Creator: Karsch, George J.
Partner: UNT Libraries Government Documents Department

Plow Attachment

Description: Patent for a plow attachment. This invention works with sweep plows and consists of a runner and secured to the end of the plow beam. Illustration included.
Date: January 1, 1907
Creator: Wiegert, Theodore & Neumann, Louis
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a portable water heater "in which a circulation of water may be had, whereby the same may become readily heated for use in a bath tub or other receptacle." (lines 12-15)
Date: November 18, 1913
Creator: Ramsey, Lee
Partner: UNT Libraries Government Documents Department

Railroad-Trestle.

Description: Patent for improvements to current railroad trestles, in particular the truss work and supported structure. Improvements include ease of build and repair and a more practice and substantial design.
Date: December 8, 1914
Creator: Teters, Paul Albert
Partner: UNT Libraries Government Documents Department

Flash-Lamp

Description: Patent for a flash lamp for taking photographs. Illustrations included.
Date: October 22, 1912
Creator: Harrington, David
Partner: UNT Libraries Government Documents Department

Drier

Description: Patent for a drier used for drying sugar canes from a sugar mill. Illustrations included.
Date: March 3, 1908
Creator: Rayner, Henry William
Partner: UNT Libraries Government Documents Department

Brooder

Description: Patent for a brooder which prevents chicks from entering after a certain number have gone through the door.
Date: November 5, 1912
Creator: Becker, August B.
Partner: UNT Libraries Government Documents Department

Shipping-Crate.

Description: Patent for a shipping crate that stays together tightly and is easily disassembled for storage.
Date: March 14, 1911
Creator: Muehr, Richard & Muehr, Rudolph
Partner: UNT Libraries Government Documents Department

Automobile-Jack.

Description: Patent for an automobile jack design adapted for use in garages and by those who need to do work underneath an automobile. Illustration included.
Date: August 29, 1912
Creator: Bouldin, W. Claughton
Partner: UNT Libraries Government Documents Department

Crate

Description: Patent for a crate designed for more convenience in shipping. Illustrations included.
Date: April 16, 1907
Creator: McLeod, Norman J.
Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Seed Planters.

Description: Patent for the improvement of the cotton-seed planter in the arrangement of the hopper, roller with stirring and feeding teeth attached while distributing seeds accurately, including illustration.
Date: December 27, 1859
Creator: Kesler, Charles & Reinhard, Fred
Partner: UNT Libraries Government Documents Department