UNT Libraries Government Documents Department - 2 Matching Results
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- Roby Sheet
- 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
- Starting or Stopping Mechanism for Windmills
- Patent for a starting or topping mechanism for windmills.