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[Col. Nicholas Copeland letter to Martin Bridgman, April 25, 1835]

Description: 1835 letter of Col. Nicholas Copeland to his son-in-law Martin Bridgman of Arkansas, enticing him to move to Texas. The letter discusses the price of land and cattle, as well as the profitability of crops such as cotton and corn. Copeland adds a note for Harry Currin, a free African-American, stating that Texas is a safe place to settle. His land grant (settlement & fortification) described in the letter was 25 miles west of the Trinity River just before crossing the Navasota River. This letter was written at Robbins' Ferry on the Old San Antonio Road at the crossing of the Trinity River (letters went east from there to be carried & put in the US mail system).
Date: April 25, 1835
Creator: Copeland, Nicholas
Partner: Other

Map of Robertson County

Description: Blueline print of survey map of Robertson County, Texas, showing rivers, creeks, railroads, and blocks of land. No scale information given.
Date: 1863
Creator: Thielepape, George F.
Partner: Hardin-Simmons University Library

Map of Robertson County

Description: Cadastral map of Robertson County, Texas in the Prairies and Lakes region. Some boundaries and notes are marked in color; several features are noted including the center of the county. Scale [ca. 1:133,334] (4000 varas per inch).
Date: September 1863
Creator: Thielepape, George J.
Partner: Texas General Land Office

Improvement in Combination Locks.

Description: Patent for combination latch-locks, "in such manner as that the knob-latch, while performing its special function, will also serve as the lock upon any combination to which it may be adjusted, and the said latch can be operated from either the outside or inside of the door as a latch simply, or as a combination lock, which latter is further secured from the inside by the employment of a safety pin, rendering the bolt in its locked position perfectly secure, while by its partial withdrawal it prevents the possible change of the combination from the outside, and admits of the free use of the latch independent of such combination." (Lines 29-42) Includes instructions and illustrations.
Date: July 1, 1873
Creator: Hall, Phidello W.
Partner: UNT Libraries Government Documents Department

[Letter from John Patterson Osterhout to Junia Roberts Osterhout, August 5, 1873]

Description: Letter from John Patterson Osterhout to his wife, Junia Roberts Osterhout. He wrote his wife a brief letter from a car going from Waco to Bremond, Texas. In his letter, he related to his wife the expenses he has incurred on his trip so far and let her know that their daughter, Ora, was doing well.
Date: August 5, 1873
Creator: Osterhout, John Patterson
Partner: Austin College

Improvement in Permutation-Locks. [PAGES MISSING]

Description: Patent for an improvement to combination locks. "It consists of various devices, which are operated by a revolving wheel having a number of projections or pins upon its periphery, which differ so materially from each other in shape that they can be easily recognized by day or night by the touch alone." (Lines 13-19) Illustration included.
Date: September 9, 1873
Creator: Hall, Phildello W.
Partner: UNT Libraries Government Documents Department

Improvement in Bridges.

Description: Patent for an improvement in Bridges and Self-Supporting Roofs and Girders. The invention provides instruction for "the construction of truss-bridges and self supporting roofs and girders"..."by nailing or bolting securely together successive layers of plank joined at different points."
Date: May 26, 1873
Creator: Davis, Benjamin F.
Partner: UNT Libraries Government Documents Department

Improvement in Plows.

Description: Patent for "means whereby the beam of a plow may be elevated or depressed at the front end according to the depth to which it is intended that the plow shall run, and held securely at several points of adjustment." (Lines 11-16) Includes instructions and illustrations.
Date: November 17, 1874
Creator: Ihringer, August
Partner: UNT Libraries Government Documents Department

Improvement in Cotton Feeders and Cleaners for Cotton-Gins.

Description: Patent for "devices for feeding seed-cotton to cotton-gins, and also, for cleaning the same preparatory to ginning; and it consists of a hopper having wires extending from side to side over a revolving toothed cylinder and a concave thrasher, and being made to reciprocate on a track by pinions on the ends of the thrasher-cylinder, working in double rack-bars, one in each side of the hopper, so contrived that the pinions run them over one way and under the other, making a simple and cheap mode of obtaining the motion." (Lines 6-18) Includes instructions and illustrations.
Date: July 25, 1876
Creator: Colquitt, George F.
Partner: UNT Libraries Government Documents Department

Improvement in Bale-Ties.

Description: Patent for "an improved fastening or tie for cotton-bales, &c.; and it consists of two angular plates, secured at the rear part to one end of the band generally used in baling cotton, &c., and the front part thereof being provided with V-shaped jaws, which engage with angular slots in the opposite end of the band." (Lines 12-19) Includes instructions and illustrations.
Date: January 30, 1877
Creator: Hanson, Asbury J.
Partner: UNT Libraries Government Documents Department

Vehicle-Spring

Description: Patent for the "improved construction of elliptical steel springs" (lines 7-8) in "carriage and car springs" (line 5) including instructions and illustration.
Date: June 22, 1880
Creator: Custer, George
Partner: UNT Libraries Government Documents Department