Original oil and gas trade magazine vintage ad for WESTINGHOUSE AIR BRAKE COMPANY of Wilmerding, PA. Industrial Products Division. New In-Line Westinghouse Desurger Prevents Pressure Surges. Unique 1955 old petroleum industry refinery industry magazine advertisement. On the reverse side are small ads for UNION TANK AND SUPPLY COMPANY of Houston, TX. Meet your Production Equipment Specialists in Wyoming and the Williston Basin. G.W.Williams District Manager Casper, WY. J.E. Wren, Casper, WY. W.H. Clayton Branch Manager Powell, WY. and L.L. Buddy French Branch Manager Williston, ND. and THE TOLEDO PIPE THREADING MACHINE COMPANY of Toledo, OH. It's Terrific the New Toledo Spin Torque Chuck. Unique 1955 old oilfield petroleum pipe line industry equipment magazine advertisements.