Surface Machinery and Methods for Oil-Well Pumping

BUREAU OF MINES

A. SUMAN PUMPING JACK, SARATOGA, TEX.

B. UNIT PUMPING POWER, BARTLESVILLE, OKLA.

C. GEARED POWER, COALINGA OIL FIELD, CALIFORNIA

BULLETIN 224 PLATE XIII
it*"

George, H. C. Surface Machinery and Methods for Oil-Well Pumping. Washington D.C.. UNT Digital Library. http://digital.library.unt.edu/ark:/67531/metadc12407/. Accessed March 2, 2015.