UNT Libraries Government Documents Department - 843 Matching Results

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Low-Water Alarm For Boilers

Description: Patent for "improvements in low water alarms for steam boilers and more particularly to those which are operated by the heat from the steam in the boiler, after the water therein has fallen below a predetermined danger point" (lines 15-20).
Date: January 5, 1915
Creator: Anderson, Williamson D. & Shearer, Edward J.

Triple Valve

Description: Patent for a triple valve for air brakes on trains that gives the engineer more control over the brakes.
Date: August 13, 1912
Creator: Anderson, Williamson D. & Shearer, Edward J.

Boot

Description: Patent for a boot design that contains a counter-support of coil springs while also being inexpensive, durable, and efficient.
Date: October 2, 1888
Creator: Benson, Henry L.

Anthony 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 1:24000
Date: 1962
Creator: Geological Survey (U.S.)
Location: 32.06 -106.56

Anthony 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 1:24000
Date: 1962
Creator: Geological Survey (U.S.)
Location: 32.06 -106.56

Anthony 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 1:24000
Date: 2010
Creator: Geological Survey (U.S.)
Location: 32.06 -106.56

Anthony 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 1:24000
Date: 2013
Creator: Geological Survey (U.S.)
Location: 32.06 -106.56

Anthony 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 1:24000
Date: 2002
Creator: Geological Survey (U.S.)
Location: 32.06 -106.56
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