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Improvement in Processes for Destroying Ants.

Description: Patent for a method of destroying ants by digging a pit beside a colony, filling the hole with combustible materials and poisons, placing a pipe through the hole and into the mound, and then setting the pit ablaze.
Date: October 28, 1873
Creator: Dulany, John J. & Dreyer, Henry
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Partner: UNT Libraries Government Documents Department

Improvement in Compounds of Bitumen, Ore, &c.

Description: Patent for a new compound called Bitumenated Ore. "The product is a dense, durable, and economical composition, suitable for both small and massive structures, and for plastering and other purposes." (Lines 66-29)
Date: November 11, 1873
Creator: Lea, Pryor
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Partner: UNT Libraries Government Documents Department

Improvement in Cultivators.

Description: Patent for improving on a plowing device. This apparatus has four independent and adjustable shovels attached together to work to cultivate a field.
Date: November 18, 1873
Creator: Cavett, Richard S.
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Partner: UNT Libraries Government Documents Department

Improvement in Portable Fences.

Description: Patent for "a simple, cheap, and portable fence...which can be readily folded up for transportation from place to place." (Lines 11-13) Illustration included.
Date: November 18, 1873
Creator: Taylor, Byron L.
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Partner: UNT Libraries Government Documents Department

Improvement in Adjustable Hats.

Description: Patent for a mechanism improving the ability to adjust the shape of a hat to fit different sized heads. The patent is for an "adjustable attachment for enlarging and contracting" the hat's design.
Date: December 2, 1873
Creator: Cassiano, Ygnacio I.
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Partner: UNT Libraries Government Documents Department

Improvement in Windmills.

Description: Patent for a "self-regulating windmill, so arranged that it will automatically exclude the wind from the wheel during storms and irregular or sudden squalls of wind, while it will equally enlarge the opening through which the wind is admitted to the wheel, whenever the power of the wind is reduced." (Lines 14-20) Includes instructions and illustrations.
Date: December 2, 1873
Creator: Davie, John P. & Morgan, Asa
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Partner: UNT Libraries Government Documents Department

Improvement in Cotton-Worm Destroyers.

Description: Patent for a wheeled vehicular device to destroy cotton worms that can be connected to a horse or a wagon. It carries a poisonous cotton-worm destroying agent and disburse this substance on crops or foliage to deter worms.
Date: December 16, 1873
Creator: Johnson, Jehu W.
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Partner: UNT Libraries Government Documents Department

Improvement in Combination-Padlocks.

Description: Patent for "a padlock in which the permutation locking device is not permanently connected to the hasp; and said invention consists of a permutation device the fixed ends whereof are provided with sockets to receive the ends of a separate hasp, and be locked therewith by a notched bolt passing through the permutation device and both ends of the hasp, whereby the usual hinged connection of the parts is avoided, and the padlock made more secure and cheaper than when the parts are permanently unit… more
Date: December 23, 1873
Creator: Hall, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Key-Hole Guards.

Description: Patent for "a guard for key-holes of locks, to prevent the use of keys by unauthorized persons, the picking of the lock, and as a means for operating the bolt when fitted for that purpose." (Lines 7-11) Includes instructions and illustrations.
Date: December 23, 1873
Creator: Hall, William N.
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Partner: UNT Libraries Government Documents Department

Improvement in Wheels for Vehicles.

Description: Patent for "an improved hub for buggy and other vehicle wheels, which shall be simple in construction, strong, and durable, and which will run with little friction." (Lines 10-13) Includes instructions and illustrations.
Date: December 23, 1873
Creator: Brown, David
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Insect-Destroying Attachments for Cultivators.

Description: Patent for "a fan or blower conjoined with a box containing any of the various powdered poisons used for destroying vermin which infest growing plants, as cotton, potatoes, &c., operated by a pulley and band, running from the axle of the blower to a wheel on the supporting-axle of the cultivator, seeder, or other machine to which the apparatus may be attached." (Lines 19-27) Includes instructions and illustrations.
Date: December 30, 1873
Creator: Hurd, Charles T.
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Partner: UNT Libraries Government Documents Department
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