Original oil and gas trade magazine vintage ad for EDWARD VALVES, INC. was located at 1212 West 145th Street, East Chicago, IN. Subsidiary of Rockwell Manufacturing Company. We've Been Using Edward Mudwonder Valves for Six Years says Mr Homer Smith, Marine Superintendent, M & M Drilling Company of Houston, Texas. This unique 1962 old oilfield petroleum pipeline valve industry magazine advertisement would display beautifully matted and framed.