Stephenville 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: 1922
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History

Breckenridge 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: 1922
Creator: Geological Survey (U.S.)
Object Type: Map
System: The Portal to Texas History
Roller-Bearing Swivel Wrench Plate. (open access)

Roller-Bearing Swivel Wrench Plate.

Patent for improvements on Roller-Bearing Swivel Wrench Plates, including illustrations. The goal of this invention is to make the plates more efficient "for use with any suitable fishing tool, or bit for use in oil fields or water well drilling" (lines 12-14).
Date: January 10, 1922
Creator: Harralson, Charles L.
Object Type: Patent
System: The Portal to Texas History
Gripping Device. (open access)

Gripping Device.

Patent for equipment for use in the drilling of wells to help with the placement of casing, pipes, etc. by holding it in place
Date: July 11, 1922
Creator: Moody, Joseph F.
Object Type: Patent
System: The Portal to Texas History