Original oil and gas trade magazine vintage ad for THORNHILL-CRAVER COMPANY. Main office was located in Houston, TX. Gauge Sixteen wells with one pressure gage in ten minutes standing in one spot. It's not a trick, and you can do it. Pictured is a 16 well manifold at a central lease tank battery. Instead of separate gauges for each well, it is equipped with T-C Gauge Valves. This unique 1959 old petroleum oilfield equipment industry magazine advertisement would display fantastic matted and framed.