Original oil and gas trade magazine vintage ad for ARMCO STEEL CORPORATION of Middletown, OH. Spang Buttress Thread casing pipeline equipment. The complete line of tubular products covers the gamut of oil country requirements. A jewel-like metal-to-metal seal makes Extreme Line casing 100 percent leak resistant. Spang drill pipe and tool joints, specifically engineered to minimize leakage, fatigue, tension and corrosion. This unique 1962 oilfield petroleum drilling industry equipment magazine advertisement would display beautifully matted and framed. Four page gatefold technical advertisement.