Original oil and gas trade magazine vintage ad for WISCONSIN MOTOR CORPORATION. Main office was located in Milwaukee, WI. Service-Proved in the Oil Fields. THPD pumping engine is shown. Universal recognition as the most practical and versatile power for operating a great variety of oilfield utility units. Light weight, without sacrificing heavy duty ruggedness and load lugging, high torque performance. Air-Cooled Engines offer service proven testimony of long life and low cost maintenance. This unique 1959 old oilfield petroleum drilling and pumping power equipment magazine advertisement would display beautifully matted and framed.