Original oil and gas trade magazine vintage ad for UNITED STATES STEEL CORPORATION. Oil Well Supply Division of Dallas, TX. Applied To Swords or Sucker Rods Liquid Quenching Makes Steel Stronger! Unique 1955 old petroleum oilfield pumping equipment industry magazine advertisement. On the reverse side is an ad for E.I. DU PONT DE NEMOURS AND COMPANY INC. Petroleum Chemicals Division of Wilmington, DE. Oil Burner Ignition Failures Can Be Curbed With This Ashless Heating Oil Additive. Du Pont Fuel Oil Additive No. 2. Unique 1955 old petroleum refining petrochemical industry magazine advertisement. Approximate page size 9 x 12 inches.