UNT Libraries Government Documents Department - 480 Matching Results

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Orange Quadrangle

Description: Topographic map of a portion of Texas and of Louisiana from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 1999
Creator: Geological Survey (U.S.)
Location: 30.06 -93.69

Orangefield Quadrangle

Description: Topographic map of a portion of Texas and of Louisiana from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 1974
Creator: Geological Survey (U.S.)
Location: 30.06 -93.81

Terry Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 1974
Creator: Geological Survey (U.S.)
Location: 30.06 -93.94

Echo Quadrangle

Description: Topographic map of a portion of Texas and of Louisiana from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 1996
Creator: Geological Survey (U.S.)
Location: 30.19 -93.69

Texla Quadrangle

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:24,000
Date: 1975
Creator: Geological Survey (U.S.)
Location: 30.19 -93.94

Automatic Damper

Description: Patent for "an attachment for stove-dampers whereby said dampers will be automatically moved, in order that the fire may be maintained at a predetermined heat" (lines 9-13).
Date: January 31, 1888
Creator: Beauchamp, William A. J.

Automatic Fire Extinguisher.

Description: Patent for a new and improved fire extinguisher. This design is "to provide for automatically putting out a fire in any building in which [the] apparatus may be located, upon the temperature in said building or room reaching any predetermined degree. This result is accomplished by the action of an expansible fluid—such as mercury—in a contained vessel, which actuates certain . . . mechanism, causing the structure to be flooded with water or with a fire-extinguishing gas or fluid" (lines 22-32).
Date: December 30, 1890
Creator: Fuller, Wily Scott

Balanced Slide Valve.

Description: Patent for a new and improved balanced slide-valve. This design consists in a "Steam-chest, a valve sliding therein, a chamber on top of the steam-chest, and a diaphragm in the top of the chamber and secured by a cap or plate, in combination with a frame having a packing-box and gland, an adjustable threaded stem or bolt passing through the frame, and the double-link connection between the said stem and valve" (lines 90-97).
Date: October 12, 1886
Creator: Bettis, William Irvin

Kiln.

Description: Patent for improvements "to provide new and improved means for extinguishing accidental fires occurring within the kilns" (lines 8-10).
Date: January 14, 1890
Creator: Johnson, John H.

Lubricant

Description: Patent for "a new and useful composition of matter to be used for the prevention of heat caused from friction and attrition in the use and operation of all kinds of machinery, including railroad engines and cars, and all parts thereof" (lines 5-9).
Date: July 16, 1889
Creator: Corder, William J.

Mucilage-Bottle.

Description: Patent for a mucilage-bottle that has a brush which stays in the bottle, and is held in place with a cork. A spring is in the neck, and is compressed when the cork is inserted. This mucilage-bottle will not get clogged with dried mucilage.
Date: January 12, 1897
Creator: Taylor, George Watson

Steam-Boiler.

Description: Patent for a steam-boiler that produces "a water-tube steam generator, which shall be simple in construction, easily repaired, interchangeable parts, and rapid and effective steaming qualities" (lines 16-19).
Date: August 7, 1894
Creator: Parker, Charles E.

Steam-Engine Valve.

Description: Patent for a steam-engine valve that has an "improved rotary valve capable of feeding and exhausting one end of a steam-cylinder, and easily controlled and operated" (lines 18-20). This makes the engine easily controllable.
Date: September 17, 1895
Creator: Ford, Andrew H.

Oil Can.

Description: Patent for a new and improved oil can. This design utilizes a handle with a hollow tube leading into the oil chamber, so when the removable cap is unscrewed from the handle, air flows into the chamber, which allows the oil to flow. This eliminates the need for a spring-bottom as with other oil cans, for the flow of oil can be stopped by sealing the tube.
Date: January 31, 1882
Creator: Wilson, Charles Bennett

Thermostatic Signal

Description: Patent for Thermostatic Signal. "The object of my invention is to provide a device whereby an alarm will be automatically sounded when the temperature of the drier has reached too high a point." (lines 13-16). With Illustrations.
Date: September 18, 1888
Creator: Lutcher, Henry J.

Fire Extinguisher.

Description: Patent for a new and improved fire extinguisher. This design consists in "[t]he combination of the expansible rod, the sweep arm or lever pivotally connected thereto, the horizontal rod, the doors, the cord connected to said doors and to the rod and adapted to be disengaged from said rod by the sweep-arm, the steam-pipe provided with a cut-off valve, and the weight supported normally in an elevated position by the sweep-arm and adapted to be released thereby to open the valve" (lines 72-81).
Date: January 15, 1889
Creator: Lutcher, Henry J.
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