Original old petroleum trade magazine vintage ad REPUBLIC STEEL CORPORATION of Cleveland, OH.  You save time and muscle with lightweight alloy steels.  Make for easier to handle tools and  equipment, and new speed to drilling operations.  Manufacturers use these tough steels in drill bits, tongs, kellies, slips, blocks chain and tool joints. This 1962 two page gatefold oil and gas industry advertisement would display beautifully matted and framed.