Original oil and gas trade magazine vintage ad for CHAIN BELT COMPANY of Milwaukee, WI. A Big Hit in the Oil Field, Rex Self-Priming centrifugal pump. Whether salvaging from a slush pit, removing water from the fire-wall embankment around storage tanks, dewatering around a drilling location or any one of other odd jobs, your Speed-Primer is always on the job, delivering a great performance. This unique 1953 old one page oilfield petroleum equipment magazine advertisement would display beautifully matted and framed.