Original oil and gas trade magazine vintage ad for WAGNER ELECTRIC CORPORATION, was located at 6400 Plymouth Ave, St Louis, MO. Oil Well Motor, Improved by Wagner. Pumping an oil well requires a motor that will give continuous service at high efficiency and power factor, but pulling a well requires high torque. The new Wagner Oil Well Motor is the first to combine all three feature in a single motor. Unique 1928 old oilfield petroleum pumping equipment industry magazine advertisement.