Resource Type

Month

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 (open access)

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