Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Drill.
Patent for a simple, durable, and effective drill that "automatically expand[s] in the bottom of the well below the tubing, to cut a hole sufficiently large for the tubing without requiring a second drilling or reaming process" (lines 11-15).
Date:
September 25, 1894
Creator:
Lindholm, Charlie M.
System:
The Portal to Texas History