Original oil and gas trade magazine vintage ad for BUTLER MANUFACTURING COMPANY of Kansas City, MO. Call Your Butler Distributor for Safe Easy Access to Your Bolted Tanks with Steel Walkways and Stairways. Union Tank and Supply Company, American Pipe and Supply Company, Harry G. Miller. Unique 1955 old oilfield petroleum storage industry equipment magazine advertisement. On the reverse side is a fractional page ad for KINGSEAL COMPANY of San Antonio, TX. If You Have a Problem well and All Else Has Failed Try Kingseal and Queenseal To Prevent or Regain Lost Circulation. Also Kingseal of California, Inc, Los Angeles, CA. Old 1955 petroleum industry equipment magazine advertisement. Approximate page size 9 x 12 inches.