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Calculator

Description: Patent for a calculator which consists of semicircular device with movable pointers and number indexes printed on it that allows the pointers to be moved to different numbers to produce the answer to a math problem such as calculating the cost of goods sold by the pound in a store.
Date: December 21, 1909
Creator: Goss, George Wilson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Ross Ranch 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: 1971
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 32.06 -103.94
Partner: UNT Libraries Government Documents Department

Ross Ranch 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.)
Item Type: Refine your search to only Map
Location: 32.06 -103.94
Partner: UNT Libraries Government Documents Department

Ross Ranch 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.)
Item Type: Refine your search to only Map
Location: 32.06 -103.94
Partner: UNT Libraries Government Documents Department
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