Original oil and gas trade magazine vintage ad for ARMCO STEEL CORPORATION. Main office and factory qas located in Los Nietos, CA. Oilmaster hydraulic pumping systems are years ahead in performance, dependability and overall efficiency. New standards of simplicity, dependability. Subsurface equipment, wellhead and manifold features, power oil, and accessory equipment are listed. This unique 1962 old oilfield petroleum industry equipment advertisement would display beautifully matted and framed. Two-page gatefold ad.