Resource Type

Pumping Jack (open access)

Pumping Jack

Patent for pumping jacks relating to oil wells.
Date: January 2, 1917
Creator: McCuin, William H.
System: The Portal to Texas History
Railway-Rail Joint (open access)

Railway-Rail Joint

Patent for improving the construction and increase the efficiency and utility of railway-rail joints.
Date: January 2, 1906
Creator: Verneuil, Edward Benjamin
System: The Portal to Texas History