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Apparatus for Producing Ammoniacal Gas.

Description: Patent for a new and improved refrigerator and ice machine. This design "consists in an improved construction, whereby the gas is relieved of its moisture before entering the condenser, a better apparatus is obtained, and repairs are facilitated and cheapened" (lines 12-16).
Date: July 21, 1885
Creator: Lee, Charles B.
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Partner: UNT Libraries Government Documents Department

Window Frame.

Description: Patent for a new and improved window frame. This design "has for its objects to provide an improved means for holding the sash of a window in any position to which it may be elevated, and at the same time permit the sash to be readily moved up or down" (lines 11-15).
Date: February 21, 1882
Creator: Sturm, William
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ventilating Apparatus.

Description: Patent for a new and improved ventilator. This design consists in "a fan casing, constructed and arranged . . . of the fan arranged therein, the gearing placed above the fan, the air-ducts leading to the fan-chamber, the endless weighted chain or cord, and drums and pulleys . . . [and] an open bottom secured to a ceiling and communicating with air-ducts passing between the floor and ceiling of a building" (lines 80-90).
Date: September 21, 1886
Creator: Garfield, John Morris
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Partner: UNT Libraries Government Documents Department

Spark Arrester.

Description: Patent for a new and improved spark arrester for train smokestacks. This design is of "a locomotive-engine, a pipe or pipes for conveying sparks from the smoke-stack, in combination of a diaphragm or cone placed in the stack and a steam or water chamber placed around the discharge of said pipe or pipes" (lines 88-93).
Date: February 21, 1882
Creator: Nichols, George B.
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Partner: UNT Libraries Government Documents Department

Suspended Safe, &c.

Description: Patent for a new and improved safe. This design "[has a] top projecting beyond its sides . . . in combination with the upright posts having liquid-cups, the rods, and sleeves for suspending the safe from contact with any object" (lines 79-83).
Date: March 21, 1882
Creator: Mason, Sanford
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Partner: UNT Libraries Government Documents Department

Railroad Switch.

Description: Patent for a new and improved railroad switch. This design "has for its object to provide a simple, inexpensive, efficient, and safe switch adapted for operation by trip-bars on a locomotive engine or car to open or close the switch, and without injury to the rails or actuating mechanism of the switch or danger of derailing the cars" (lines 7-14).
Date: February 21, 1888
Creator: Peetz, John J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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