UNT Libraries Government Documents Department - 874 Matching Results

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Locomotive-Pilot Coupling.

Description: Patent for a locomotive-pilot coupling that can lift or elevate locomotive pilot or draw-bars, a cylinder that can turn in all directions depending on how the bars moves and is collecting to the motor fluid supply, a piston in the cylinder that connects the bar to the cylinder, a swinging jaw, and various other parts.
Date: January 21, 1896
Creator: Heidelberg, Samuel R.

Locomotive Valve Gear.

Description: Patent for a new and improved valve-gear. This design "is especially designed for locomotive-engines; and the invention consists of a combination of rockers, shafts, arms, levers, links, and connecting-rods worked from the cross-head of the locomotive exclusively, and so arranged as to give the valve a correct motion" (lines 7-13).
Date: December 8, 1885
Creator: Lewis, Wallace James

Lubricant

Description: Patent for a lubricant which consists "of a gelatinous and fibrous material" (lines 14-15), containing description of creation and uses.
Date: April 6, 1886
Creator: Marshall, Edward S. & Savage, Robert W.

Marshall

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 1:100000
Date: 1986
Creator: Geological Survey (U.S.)
Location: 32.75 -94.50

Marshall

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 1:100000
Date: 1991
Creator: Geological Survey (U.S.)
Location: 32.75 -94.50

Mechanical Motor

Description: Patent for "a motor of cheap and simple construction, which is adapted for driving various classes of light machinery, and more especially for use in connection with fans, such as are commonly used for creating currents of air in bar-rooms, dining-rooms, and the like" (lines 16-22).
Date: July 9, 1889
Creator: Harpst, Edgar S.

Mineola

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 1:100000
Date: 1991
Creator: Geological Survey (U.S.)
Location: 32.75 -95.50

Mineola

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 1:100000
Date: 1985
Creator: Geological Survey (U.S.)
Location: 32.75 -95.50

Mount Sylvan Quadrangle

Description: Satellite image 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: 2010
Creator: Geological Survey (U.S.)
Location: 32.44 -95.44
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