Original vintage oil and gas magazine ad, DAVISON CHEMICAL COMPANY of Baltimore, MD. Division of W.R. Grace and Company. Davison M-S High Alumina Catalyst. Shows chart of High Alumina M-S Catalyst Particle Size Distribution. Old 1955 petroleum industry refining advertisement. On the reverse side is DE LAVAL STEAM TURBINE COMPANY of Trenton, NJ. DeLaval Centrifugal Blower does a dependable job in the new Model B Orthoflow cat cracker of the British American Oil Company, Ltd. at Clarkson, Ontario. Old 1955 petroleum industry advertisement. Approximate page size 9 x 12 inches.
- SKU p396
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