Fire-Arm.

Fire-Arm.

Date: March 8, 1887
Creator: Alston, William F.
Description: Patent for an improvement to adjusting rifle barrels and holding those adjustments in place. Includes illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Sheet-Metal Cans.

Improvement in Sheet-Metal Cans.

Date: December 3, 1872
Creator: Delany, John L.
Description: Patent for sheet-metal cans, specifically a spout attachment for cans.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Scale-Beams.

Improvement in Scale-Beams.

Date: June 29, 1875
Creator: Robinson, William T.
Description: Patent for "the movable weight used on scale-beams; and it consists in the construction and arrangement of the weight to slip over the scale-beam, and with a roller, upon which the weight rests or is suspended, in combination with a locking device." (Lines 12-17) Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Compound Tools.

Improvement in Compound Tools.

Date: December 5, 1876
Creator: Mayfield, Samuel B.
Description: Improvement in Kitchen-Utensil for lifting pots, kettles, plates, and as a means for holding a device for mangling meats.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Machines for Sprinkling Cotton-Plants.

Improvement in Machines for Sprinkling Cotton-Plants.

Date: January 6, 1874
Creator: Robinson, William T.
Description: Patent for a wheeled, horse-drawn machine, "whereby plants are firs dampened with water and then overspread with poisonous powder, the latter being caused by the former to adhere to the plant" (para. 9).
Contributing Partner: UNT Libraries Government Documents Department
Improvements in Cotton-Gins

Improvements in Cotton-Gins

Date: June 22, 1875
Creator: Koehl, William
Description: Patent for improvement in the Cotton-Gin with moveable brushes. This object is designed to make the brushes on the cotton machine move closer to the saw when they become shortened from constant use. This will improve the quality of the machine like a brand new equipment.
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Earth Scrapers

Improvement in Earth Scrapers

Date: August 27, 1872
Creator: Smith, Amroy B.
Description: Patent for improved earth scrapers, the class of which are " mounted on Wheel and provided with slatted carriers" (pg 1). This earth scraper has a novel system that allows the machine to be turned around and still used where other machines cannot do so (pg 1).
Contributing Partner: UNT Libraries Government Documents Department
Piston for Pneumatic Pumps.

Piston for Pneumatic Pumps.

Date: March 31, 1891
Creator: Robinson, Charles H.
Description: Patent for improvements in pistons for pneumatic pumps by using a combination of a tubular shell, a cylindrical valve, a conical aperture and a conical projection to fulfill the conditions required of a piston in pumps. Illustration is included.
Contributing Partner: UNT Libraries Government Documents Department
Apparatus for Aging Whisky.

Apparatus for Aging Whisky.

Date: June 15, 1891
Creator: Halligan, John H.
Description: Patent for a barrel for heating and aging whiskey, which accelerates aging time. Includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Roller-Index.

Roller-Index.

Date: July 6, 1891
Creator: Nance, John D.
Description: Patent for "improvements in combined spring-rollers and cabinet for ledger-index sheets," (lines 10-12) with instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
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