UNT Libraries Government Documents Department - 1,006 Matching Results

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Royse City 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: 1963
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.94 -96.31

Rockwall 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: 1973
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.94 -96.44

Rowlett 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: 1973
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.94 -96.56

Garland 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: 1973
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.94 -96.69

Addison 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: 1981
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.94 -96.81

Anna 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: 1961
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 33.31 -96.56

Improvement in Compound Engines.

Description: Patent for "a series of engines for working the steam over by exhausting it from the first into the second, and so on, for utilizing the pressure lost when steam is exhausted from a single engine into the air..." (lines 7-11) including instructions and illustrations.
Date: February 16, 1875
Creator: Bell, Jackson W.
Item Type: Refine your search to only Patent

Improvement in Tire-Tighteners.

Description: Patent for a device "for the purpose of tightening or loosening tires on wheels belonging to any kind of vehicles without shrinking or cutting the tires." (Lines 6-9) Includes instructions and illustrations.
Date: July 27, 1875
Creator: Horton, Henry A. R. & Hayes, Amos P.
Item Type: Refine your search to only Patent

Improvement in Riding-Plows.

Description: Patent for "an improved riding or sulky plow which shall be so constructed that the plow may be readily lowered into, raised from, and adjusted to run at any desired depth in the ground, and which may be adjusted to take or leave land, and to hold the carriage level when both wheels are running upon unplowed land, and when one wheel is running in a furrow." (Lines 14-22) Includes instructions and illustrations.
Date: July 17, 1877
Creator: Florance, James L.
Item Type: Refine your search to only Patent

Improvement in Hame Fasteners

Description: Patent for a new and useful improvement in hame-fasteners. "This fastening can be readily fastened and unfastened without taking off the gloves, and with cold and benumbed fingers, and when fastened will hold the hames securely" (lines 35-38). Including instructions and illustrations.
Date: April 6, 1877
Creator: Poland, Tunis H.
Item Type: Refine your search to only Patent

Improvement in Gang-Plows.

Description: Patent for "an improved gang-plow, which shall be so constructed that it may be readily adjusted to cause the plows to take or leave land, and which will enable the wheels to be adjusted closer to or farther from the plows, as may be desired." (Lines 12-17) Includes instructions and illustrations.
Date: February 20, 1877
Creator: Cummins, John R.
Item Type: Refine your search to only Patent

Clothes-Pounder.

Description: Patent for a clothes pounder used in washing clothes. It is a pyramidal vessel that is open in the bottom and has perforations on the top of the inside of the vessel, a cap covering the top of the pyramid with an air-hole, a sleeve that goes through the top of the vessel and through the cap, a handle in the upper portion of the sleeve, a diaphragm with perforations in the base of the vessel, a rectangular box secured beneath the diaphragm, and inclined tubes open at both ends of the angles of t… more
Date: January 14, 1896
Creator: Leddy, Owen
Item Type: Refine your search to only Patent

Bridge.

Description: Patent for a bridge of "simple and strong construction in metal of very low cost and light weight, using only such materials as are easily available, being also of easy construction and well adapted to resist washouts" (lines 9-13).
Date: July 5, 1892
Creator: Kosure, Thomas H.
Item Type: Refine your search to only Patent

Compress.

Description: Patent for "surgical instruments which are used for stopping the flow of blood during an amputation or other similar operation." (Lines 12-15) Includes instructions and illustrations.
Date: January 12, 1897
Creator: Burton, Edwin L.
Item Type: Refine your search to only Patent

Car-Coupling.

Description: Patent for a car-coupling that has a draw-bar attached to the car, a hollow draw-head with a flaring opening that sits horizontally to the draw-bar, a spring that holds the draw-head in the horizontal position, a bar that raises and lowers the forward end of the draw-head against the spring, a coupling-pin that sits in the draw-head, a chain that connects the draw-head to the bell-crank lever, a cam that supports the chain, and a device that turns the cam in either direction in order to tighten… more
Date: March 31, 1896
Creator: Epps, Charles
Item Type: Refine your search to only Patent
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