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Improvement in Cultivators.

Description: Patent for the improvement of cultivators, consisting in the construction and arrangement of of a double-sweep plow. It includes a description and illustration.
Date: August 20, 1872
Creator: Svenson, Bengt Johan
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Earth Scrapers

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).
Date: August 27, 1872
Creator: Smith, Amroy B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Medical Compounds or Bitters.

Description: Patent for a medical compound prepared with whisky, gentian-root, cinchonabark, quassia and cloves which is intended as "a remedy for miasmatic fevers" (line 23) including instructions for the preparation and administration of the medicine.
Date: January 23, 1872
Creator: Turner, Richard G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Fences.

Description: Patent for a new arrangement of posts, rails, and false posts in fence construction. Includes instructions and illustrations.
Date: March 12, 1872
Creator: Stone, John H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Electro-Magnetic Engines.

Description: Patent for "a new practical application of electro-magnetism to machinery for the purpose of moving the same and keeping it in motion, and developing a degree of force which is only limited by the reduced proportion of power applied. The invention consists principally in the transmission of electro-magnetic power through compressed air for motor purposes, and the mechanism and combination of machinery necessary for that purpose." (Lines 12-22) Includes instructions and illustrations.
Date: April 9, 1872
Creator: Thornton, William G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Hand-Cultivators.

Description: Patent for "hand-cultivators; and the novelty consists in the improved construction and arrangement of the stock, tongue, and plows; and in the application to the end of the tongue of a shoulder-strap to assist in working the implement." (Lines 15-20) Includes instructions and illustrations.
Date: February 27, 1872
Creator: Jones, William G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Glass Globes or Reservoirs for Lamps.

Description: Patent for an "invention to prevent the breaking of glass globes used in kerosene lamps as reservoirs for the burning fluid; and this invention consists in the application around the reservoir of a rubber ring let into a groove, but projecting sufficiently to receive the concussion in case the lamp is overthrown." (Lines 10-16) Includes instructions and illustrations.
Date: April 16, 1872
Creator: Otto, Adolph
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Apparatus for the Manufacture of Gas from Oils.

Description: Patent for "machines for the manufacture of gas from oils, benzine, gasoline, &c.; and it consists in providing the tank or cistern with a retort constructed with an outer cylinder surrounding one or more cylinders or tubes, which inner cylinder is provided with perforated plates at the top and bottom thereof, and the space between said plates filled with sponge or other porous material, while the space or chamber between the inner and outer shell of the retort serves as a mixing-chamber for th… more
Date: June 18, 1872
Creator: Gearing, Charles & Gearing, Franklin A. G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Axles for Vehicles

Description: Patent for "an Improvement in Wagon-Axle Skeins" that "has for its object to furnish an improved iron axle for wagons and other vehicles which shall be stronger without being heavier than iron axles made in the ordinary manner."
Date: July 2, 1872
Creator: Ahrenbeck, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Improvement in Churns.

Description: Patent for improvement in churns by using an oblong box with a diamond-shaped dash fixed in the box. The churning is done by rapidly swing the box back and forth until butter is obtained. Illustration is included.
Date: October 8, 1872
Creator: Cottingham, Gideon W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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