Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Pumping Apparatus.
Patent for pumping apparatus. This invention provides a means to elevate liquids by use of compressed air. It is specifically intended for deep oil-wells.
Date:
August 25, 1903
Creator:
Cain, Francis Charles & Herrenkind, Oscar Charles
System:
The Portal to Texas History