Original vintage oil and gas magazine ad,  FEDERAL TELEPHONE AND RADIO COMPANY of Clifton, NJ.  Federal Microwave Certified By A World of Research.  100,000 channel-miles is a lot of microwave experience. Operated by pipelines, power utilities, telephone companies, municipalities, administrations, TV stations and others. A Division of IT&T. Old 1955 dated petroleum industry advertisement. Would look sensational matted and framed.

Approximate size  9 x 12 inches.