Original oil and gas trade magazine vintage ad for FLINT STEEL CORPORATION, of Tulsa, OK and Memphis, TN. Pressure Vessels fabricated to the ASME Code from Carbon, Alloy, and Alloy Clad Steels for the Chemical and Petroleum Processing Industries. This unique 1959 old petroleum petrochemical refining industry metal magazine advertisement would look fantastic matted and framed. Birds-eye view of plant. Nice graphics.