Original oil and gas trade magazine vintage ad for MINNEAPOLIS-HONEYWELL REGULATOR COMPANY of Fall River, MA. Honeywell Live-Zero 2-wire system used by Continental Oil to control new high-purity cyclohexane process in plant at Ponca City, OK. ElectriK Tel-O-Set instrumentation provides the close control needed for the successful operation of the processes. This unique 1962 old petroleum products refining process equipment magazine advertisement would display beautifully matted and framed. Two page gatefold advertisement.