Original oil and gas trade magazine vintage ad for BLACK, SIVALLS & BRYSON, INC, of Oklahoma City, OK. Oil & Gas Equipment Division, BS&B. Record Sales Prove That Oilfield Production Men Everywhere Have Confidence In BS&B Equipment! Illinois, Texas, Oklahoma, Arabia, New Mexico, Gulf Coast, California, Louisiana, Canada, Kansas, Wyoming, Colorado, Venezuela. This unique 1955 old petroleum refining process industry magazine advertisement would look sensational matted and framed. Approximate size 9 x 12 inches.