Original oil and gas trade magazine vintage ad for THE NATIONAL SUPPLY COMPANY. Subsidiary of Armco Steel Corporation, of Pittsburgh, PA. National's "blue iron" has drilled thousands of wells, and National equipment has produced millions of barrels of oil and billions of cubic feet of natural gas. Spang Pipe, made by National Supply Company, is renowned for its outstanding performance. National Supply stores were among the first buildings erected in many historic oil towns, including the famous Spindletop well, near Beaumont, TX. Unique 1959 old oilfield petroleum industry equipment magazine supplement. 8 pages.