UNT Libraries Government Documents Department - 5 Matching Results

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Water-Heater

Description: Patent for a water heater that will heat a large quantity of water in a short amount of time. Cool water is delivered to the bottom of the tank, displacing hot water at the top so the tank is always filled with hot water.
Date: September 14, 1920
Creator: Faust, Louis F.
Item Type: Refine your search to only Patent

Blanco Sheet

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 1:125000
Date: 1921
Creator: Geological Survey (U.S.)
Item Type: Refine your search to only Map
Location: 30.25 -98.25
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