Original oil and gas trade magazine vintage ad for THE BRISTOL COMPANY of Waterbury, CT. Microwave Metameter Telemetering on the Panhandle Eastern Pipe Line gives dispatcher the information he needs for better pressure regulation. Receivers in dispatching office, Midland Building, Kansas City, MO. Record Suction and discharge pressures, static and differential pressures coming in by microwave from distances nearly 400 miles a way. This unique 1953 old petroleum automatic telemetering instruments equipment magazine advertisement would display beautifully matted and framed.