Show One Wire Carries 12 Radio Phone Messages 1 New York A A peek into the fu future ture of ot long distance telephonic communication was given at the meeting of ot the American Institute of Electrical Engineers here De De- Developments in the use of existing telephone wires as guide paths for carrier waves has made it possible to have 12 messages going over the same wire without interference Two engineers from the Bell lab lab- laboratories laboratories oratories C. C W. W and E. E I. I Green disclosed new details of the carrier system for toll cables The new advances are the culmination culmination nation of o a long range program of applying high frequency waves to lo wires Early developments development utilized special wires but the new work has succeeded in using existing cables both aerial and underground Plans already under way call for tor forthe forthe the application of large numbers numb rs of these systems to meet the rapid growth In long distance traffic said the engineers |