1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Single Well Cylinder
Patent for a single well cylinder pump intended to provide more efficient use in a deep well. This cylinder is distinct for its incorporation of a "inwardly opening valve controlling the passage of fluid into an inner cylinder" (p.2, lines 34-37)
Date:
December 15, 1914
Creator:
Ligon, Arthur Lee
System:
The Portal to Texas History