Original oil and gas trade magazine vintage ad for UNIVERSAL ATLAS CEMENT COMPANY. of New York City, NY. Pictured is Bob Bennett of F. A. Callery, Incorporated of Houston, TX, said it was boiling hot down that well but Unaflo sure did a good job. You get easy pumping, sustained fluidity, and it hardens normally. This unique 1953 old petroleum oilfield drilling well industry and equipment magazine advertisement would display beautifully matted and framed.