7 Matching Results

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Results: 1 - 7

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 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 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 Cotton-Planters.

Description: Patent for a "new and valuable improvement in cotton-planters" (lines 3-4), for planting cotton seeds, including instructions and illustrations.
Date: December 11, 1877
Creator: Bronaugh, David
Partner: UNT Libraries Government Documents Department

Improvement in Bee-Hives

Description: Patent for an improved design for bee-hives with the sloped V shaped interior designed to aid in warmth for the hive and reducing debris entering the comb. Illustrations included show several cross-sections of the hive construction.
Date: December 12, 1876
Creator: Snider, George W.
Partner: UNT Libraries Government Documents Department

Board Roofing.

Description: Patent for a new design of roofing board. The wooden boards are designed to "contract and expand with changes of temperature" (para. 3) and to allow rain to run off without seeping into the joints of the boards.
Date: December 19, 1876
Creator: Zimmerman, Arnold W.
Partner: UNT Libraries Government Documents Department
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