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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
Date:
1903
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Starting or Stopping Mechanism for Windmills
Patent for a starting or topping mechanism for windmills.
Date:
March 10, 1903
Creator:
Wheeler, T. W.
Object Type:
Patent
System:
The Portal to Texas History