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Improvement in Wood Pavements.

Description: Patent for a new and improved construction of Bois D'Arc Pavement, which uses two layers of planks that cross at right angle as a base, sand to hold bois d'arc blocks in place and fill gaps in between, and coal-tar covering planks to prevent sand from shifting. It includes illustrations.
Date: January 14, 1879
Creator: Shellenberger, Samuel Luther
Partner: UNT Libraries Government Documents Department

Improvement in Wheel-Cultivators.

Description: Patent for the improvement of wheel-cultivators, combining a plow and cultivator. It includes a description and illustration.
Date: September 19, 1871
Creator: Viars, John A.
Partner: UNT Libraries Government Documents Department

Improvement in Steam-Engines.

Description: Patent related to "improvements in steam-engines. The object...is to devise means whereby the valves may be actuated automatically without the employment of exterior mechanisms by the use of exhaust-steam" (lines 17-22). Includes instructions and illustration.
Date: July 1, 1879
Creator: Garlock, William H. & Cooke, Richard
Partner: UNT Libraries Government Documents Department

Improvement in Stone-Dressing Tools.

Description: Patent for "an improved rotary hand-tool for dressing stone" (lines 7-8) including instructions and illustrations.
Date: December 2, 1879
Creator: Gilmore, Louis C.
Partner: UNT Libraries Government Documents Department

Improvement in Ventilators.

Description: Patent for improvement in ventilators which combines a bell-mouthed vane with white induction and black eduction pipes for the purpose of introducing fresh air and eliminating foul air from an enclosed area.
Date: December 21, 1875
Creator: Moyer, Alexander L.
Partner: UNT Libraries Government Documents Department

Improvement in Double-Bitted Drills.

Description: Patent for "an easy mode of straightening wells while drilling them through rock or earth, and also for enlarging the same into a cistern when it is desired to keep on hand a large supply of water." (Lines 8-13) Includes instructions and illustrations.
Date: May 30, 1876
Creator: Yarbrough, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Earth-Boring Apparatus.

Description: Patent for improvement in well-boring machines in which it can be “rapidly bore through earth or rock holes of any desired size or depth, for the purpose of procuring water.” (P. 1, lines 9-12) Illustration is included.
Date: November 21, 1876
Creator: Yarborough, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Rotary Churns.

Description: Patent for an improvement of the churn that is, "within a square wooden box, of a rotating dasher or paddle, and the mechanism for driving the same, that various parts being constructed, arranged, and operated" (lines 20-24). Illustrations included.
Date: February 20, 1877
Creator: Dean, Charles C.
Partner: UNT Libraries Government Documents Department

Improvement in Leather-Cutting Gages

Description: Patent for improvement in leather cutting-gages in order to negate the need for the set-screw at the end of the gage handle that is needed to hold the rule. The document contains instructions and illustrations of the device.
Date: April 17, 1877
Creator: Lindsay, George F.
Partner: UNT Libraries Government Documents Department

Improvement in Masks for Horses and Cattle.

Description: Patent for a slitted leather mask for animals to be used for horses, cattle, etc. to deter the jumping of fences. Patent for "mask, covering the eyes of the animal, leaves him with a sufficiently free vision, and being thoroughly ventilated, will not injure his eyes".
Date: July 10, 1877
Creator: Trueblood, Albert H
Partner: UNT Libraries Government Documents Department

Improvement in Fire-Escapes.

Description: Patent for improving fire-escapes and provides a portable instrument that "may be used for letting persons directly down from buildings, or for carrying them from the upper stories of buildings to others buildings at a distance" (lines 9-12).
Date: August 28, 1877
Creator: Staples, George S.
Partner: UNT Libraries Government Documents Department

Improvement in Earth-Augurs.

Description: Patent for a new auger design for "boring and excavating wells" (lines 15-16), including illustrations.
Date: November 20, 1877
Creator: Yarborough, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Earth-Boring Machines.

Description: Patent for improvements in earth-boring machines with new design and connections, including illustrations.
Date: January 1, 1878
Creator: Yarborough, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Mold-Boards for Plows.

Description: Patent for an improved design for plow mold-boards that involves using holes and a water pump to keep the mold-board clear of earth.
Date: December 30, 1879
Creator: Fields, John W.
Partner: UNT Libraries Government Documents Department

Improvement in Excavators.

Description: Patent for improvement in earth excavators combining a plow, rotating cylinder, and helical plate.
Date: May 6, 1873
Creator: Smith, Amroy B.
Partner: UNT Libraries Government Documents Department

Improvement in Riding-Saddles.

Description: Patent for improvement in riding-saddles by "which the leather straps hitherto required for the girth-riffing may be dispensed with, and in place thereof a stronger and more durable rigging obtained, that leaves the top and sides of the tree in perfectly smooth state."
Date: October 29, 1878
Creator: Nothaf, John L.
Partner: UNT Libraries Government Documents Department

Improvement in Machines for Cutting Shingles.

Description: Patent relating to "that class of shingle-machines which form the shingles by means of a knife working sidewise with the grain" (lines 10-13). Includes instructions and illustrations.
Date: July 8, 1879
Creator: Davis, Henry T.
Partner: UNT Libraries Government Documents Department

Improvement In Locks

Description: Patent for an improvement for slide door fasteners and locks. Description and illustrations are attached.
Date: August 19, 1879
Creator: Garlock, William H.
Partner: UNT Libraries Government Documents Department

Improvement in Combined Gang-Plow and Cultivator

Description: Patent for a new gang-plow and cultivator design, including instructions and illustrations.
Date: August 23, 1870
Creator: Thornton, Sterling C.
Partner: UNT Libraries Government Documents Department

Improvement in Churns

Description: Patent for a geared mechanism to attach to existing churns to aid in the production of cream into butter. Illustrations include front and side elevations.
Date: January 23, 1877
Creator: Gray, Whitley F.
Partner: UNT Libraries Government Documents Department

Improvement in Baling-Presses.

Description: Patent for a baling press "intended for compressing and re-pressing cotton for shipment" (para. 4), and is created using a "simple and efficient" (para. 2) design.
Date: November 27, 1877
Creator: Drake, John
Partner: UNT Libraries Government Documents Department

Improvement in Heater and Feeder for Steam-Boilers.

Description: Patent for "a new and valuable improvement in supplying feed-water to steam-boilers" (lines 15-17), including instructions and illustrations.
Date: December 11, 1877
Creator: Hyde, James Boyd
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for improvements in churns with specific improvements in dasher-rods and lids. This patent includes illustrations.
Date: January 1, 1878
Creator: Davis, Henry T.
Partner: UNT Libraries Government Documents Department
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