On This Day in Telephone History June 10TH 1936 First Bell System coaxial cable put in service for television use.
1.5 miles long from NBC studio to transmitter on the Empire State Building, New York City.
On This Day in Telephone History June 10TH 1936 First Bell System coaxial cable put in service for television use.
1.5 miles long from NBC studio to transmitter on the Empire State Building, New York City.