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Internal Combustion Engine.

Description: Patent for a simplified internal combustion engine that is lighter and more efficient than previous models. It also features detachable and removable parts that will decrease time and cost of repairs, includes illustrations.
Date: July 29, 1919
Creator: Higbee, Charlie D.
Partner: UNT Libraries Government Documents Department

Telephone Call Box.

Description: Patent for reduction of movements in an improved telephone call box with illustrations.
Date: January 29, 1884
Creator: Oram, John M.; Sutton, Henry M. & Garrett, Henry
Partner: UNT Libraries Government Documents Department

Dry-Kin Furnace.

Description: Patent for a dry-kiln furnace meant to improve the "heating and hot-air circulating devices for such structures, whereby all or nearly all the heat generated is utilized, thereby effecting an economy in the use of fuel and also increasing the capacity of the kiln" (lines 15-19).
Date: July 30, 1895
Creator: Ketcham, William
Partner: UNT Libraries Government Documents Department

Forge-Tray.

Description: Patent for "an improved forge tray, and it has for its object to provide means for preventing the loss or waste of fuel incident to the use of the ordinary forms of forges; and to provide means for concentrating the heat without interfering with the operations of the smith and without intercepting his view of the irons" (lines 8-15).
Date: August 15, 1893
Creator: Burnett, Rufus Samuel
Partner: UNT Libraries Government Documents Department

Fare-Receiver and Automatic Change-Maker.

Description: Patent for a fare box and change maker mean to improve on fare-receivers and automatic change-makers that "automatically deliver the correct change to a passenger or other person, who deposits in the machine a coin of greater value than is the regulation fare" (lines 16-19).
Date: June 18, 1895
Creator: Sturgis, Herbert Marshall
Partner: UNT Libraries Government Documents Department

Boiler-Cleaning Compound.

Description: Patent for a boiler-cleaning compound made up of "an improved compound having sodium hydrate for a base, and having certain subordinate ingredients whereby its efficiency is increased, and whereby the action of the sodium hydrate is so modified that no detriment to the boiler iron will result" (lines 10-16).
Date: February 19, 1895
Creator: Hill, Martin L.
Partner: UNT Libraries Government Documents Department

Bottle-Filling Device.

Description: Patent for filling bottles with "two liquids and introducing them into the bottle at the same time under pressure" (lines 17-18), specifically for "carbonated beverages" (lines 12-13).
Date: April 6, 1920
Creator: Dannelley, Dillon C.
Partner: UNT Libraries Government Documents Department

Combined Automatic Vending and Money-Changing Machine.

Description: Patent for an improved combined automatic vending and money changing machine. It has "a locking mechanism constructed to lock said article and change-delivery mechanisms when a coin inserted by a purchaser is of less value than the article desired by him, and [a] mechanism for unlocking both of said delivery mechanisms while the purchaser's said coin remains in the machine and adjusting bot of said delivery-mechanisms to thereafter deliver an article corresponding to the value of said coin" (li… more
Date: June 18, 1895
Creator: Sturgis, Herbert Marshall
Partner: UNT Libraries Government Documents Department

Apparatus for Burning Garbage, &c.

Description: Patent for an improved apparatus for burning refuse and consists of a roasting chamber, a garbage grate, grates that slope and carry the product away after combustion, flues that open above the grates, and the wall partly closes on one end to let the products away after combustion.
Date: August 22, 1893
Creator: Garretson, William H. & Tainter, Silas B.
Partner: UNT Libraries Government Documents Department
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