Original oil and gas trade magazine vintage ad for PHILCO CORPORATION. Government and Industrial Division, was located at 4700 Wissahickon Ave, Philadelphia, PA. CLR-9 Reliability and economy for pipeline control. Communications systems custom designed to suit specific requirements. Featuring the duplex microwave terminal, provides highly reliable, unattended, point-to-point communications for voice, telemetering, VHF and remote control of pump stations plus high speed data transmission. This unique 1959 one-page old petroleum oilfield communications equipment magazine advertisement would display beautifully matted and framed.