Timing Mechanism for Automatic Oil Pumping Systems.
Description:
Patent for a timing mechanism for automatic oil-pumping systems, which adds improvements to a previous patent (Serial No.788,483). This patent includes a "novel mechanism for controlling the alternate action of a pressure and vacuum directed into a well" from the surface instead of the lower portion of the well (lines 33-35). Patent includes illustrations and instructions.
Date:
May 9, 1916
Creator:
Stephenson, William M.
Partner:
UNT Libraries Government Documents Department