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Sweetwater 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:
1907
Creator:
Geological Survey (U.S.)
Object Type:
Map
System:
The Portal to Texas History
Pump Rod Coupling
Patent for pump rod coupling. This invention is designed to couple adjacent ends of pistons or pumps. Illustration included.
Date:
March 19, 1907
Creator:
Fletcher, Homer M.
Object Type:
Patent
System:
The Portal to Texas History