Collection
Serial/Series Title
Country
Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Antifriction Device for Sucker-Rods.
Patent for a rod sleeve to protect the rod joints from damage or bending. The design also includes rollers to keep the rods centered in the casing to eliminate rubbing.
Date:
August 4, 1903
Creator:
Black, William L.
Object Type:
Patent
System:
The Portal to Texas History
Mason 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