Original oil and gas trade magazine vintage ad for MIXING EQUIPMENT COMPANY, INC. Main office was located at 174-f Mt. Read Blvd, Rochester, NY. How They Condition Mud Without Pump on El Dorado. Pictured is Tool Pusher, C.C. Parsons. Exploring Mexico's first offshore field, El Dorado barge is being operated by Perforaciones de Mexico, S.A., drilling contractors for Pauley Pan American Petroleum Company. This unique 1962 old oilfield petroleum equipment magazine advertisement would display beautifully matted and framed.