Original oil and gas trade magazine vintage ad for BLACK, SIVALLS & BRYSON INC. BS & B was located at 1708 West Main Street, Oklahoma City, OK. Oil & Gas Equipment division, For Drying Natural Gas To Pipeline Specifications At Peak Efficiency Under A Wide Range Of Stream Flow Conditions, Specify The BS&B Custom Sized Dry Dehydrator! This unique 1955 old oilfield petroleum gas pipeline equipment magazine advertisement would look sensational matted and framed.