Car-Coupling.

Car-Coupling.

Date: March 6, 1894
Creator: Lawhon, David West
Description: Patent for a car coupling that automatically couples cars so people do not need to go between cars. This invention is meant to "provide an improved car coupler of the above character, which shall be simple and economical in construction and efficient in operation" (lines 21-24).
Contributing Partner: UNT Libraries Government Documents Department
Car-Coupling.

Car-Coupling.

Date: January 30, 1894
Creator: Smart, John W.
Description: Patent for a car coupling that is simple and can be inexpensively manufactured. The invention's object is "to provide a link controlling device to be used in coupling cars together where the cars have draw-heads of the same or different heights which will render it unnecessary for a person to go between the cars during the operation" (lines 11-16).
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Car-Trucks.

Improvement in Car-Trucks.

Date: July 9, 1872
Creator: Onley, Joseph
Description: Patent for the improvement of car-trucks, consisting in the arrangement of each wheel of a car-truck upon the outer end of a separate short axle, the bearings of each axle being both located on the inner side of the wheel and the bearing at the inner end of the axle provided with a sliding-box and springs. It includes a description and illustration.
Contributing Partner: UNT Libraries Government Documents Department
Refrigerating-Cover for Vessels.

Refrigerating-Cover for Vessels.

Date: December 9, 1890
Creator: Mitcheltree, James B.
Description: Patent for a "device capable of application to any receptacle which, in conjunction with an absorbent envelope and through the medium of capillary action, will cool the entire vessel or receptacle to which it is applied, and thereby preserve its contents in warm weather," (lines 10-15) including instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Cotton Gin.

Cotton Gin.

Date: June 26, 1883
Creator: Rogan, David Smith
Description: Patent for a new and improved cotton gin. This design "is to provide certain means whereby the breast and guard can be readily and quickly moved and held out of their normal position for the purpose of clearing or freeing the cotton-roll from the saws, and preventing injury to the operator by said saws" (lines 7-13).
Contributing Partner: UNT Libraries Government Documents Department
Improvement in Turbine Water-Wheels.

Improvement in Turbine Water-Wheels.

Date: January 11, 1870
Creator: Chadwick, H. A.
Description: Patent for a new turbine water wheel, which is said to alleviate past problems with older model turbines. The patent includes instructions and illustrations.
Contributing Partner: UNT Libraries Government Documents Department
Milk Cooler.

Milk Cooler.

Date: June 10, 1890
Creator: Stiles, Frederick
Description: Patent for a new and improved cooler. This design "consist[s] of the main vessel adapted to contain the substance to be cooled, having its upper end open and the walls of said open end drawn or inclined inward, as described, the water vessel supported on said main vessel, with a space between its bottom and the top of the main vessel, and made larger at its bottom than the upper open end of the main vessel, and the enveloping-sheet arranged to be wet by the contents of the water-vessel and extended past the space between the said vessels, whereby to protect the contents of the main vessel" (lines 79-92).
Contributing Partner: UNT Libraries Government Documents Department
Filter and Water Purifier.

Filter and Water Purifier.

Date: November 26, 1889
Creator: Stiles, Frederick
Description: Patent for a new and improved water filter. This design consists in "[t]he combination of a water-pump having upwardly-opening valves, an air-pump having downwardly-opening valves, and two perforated cylinders surrounding the pump-tubes and provided with a packing of filtering material, the water-pump tube opening into the inner cylinder, and the pump-tube passing entirely through both heads of the same" (lines 61-68).
Contributing Partner: UNT Libraries Government Documents Department
Safety-Truck for Cars

Safety-Truck for Cars

Date: November 22, 1892
Creator: Moore, George Wash.
Description: Patent for safety trucks for railway cars to help prevent the derailment of cars.
Contributing Partner: UNT Libraries Government Documents Department
Device for cooling milk, meat, vegetables, &c.

Device for cooling milk, meat, vegetables, &c.

Date: July 12, 1892
Creator: Smart, J. W. & Cheatham, T. C.
Description: Patent for an early fridge, a device that will cool meat, milk and vegetables. It comprises a container of ice cold water, and a place to store the foodstuffs in.
Contributing Partner: UNT Libraries Government Documents Department
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