Postwar American Television
Postwar Television Networks

From RCA 1945 booklet

Poplular Mechanics, April 1945

Popular Mechanics, July 1946

Popular Mechanics, December 1946

Popular Science, February 1945

True Magazine, July 1948
(click on picture for high resolution images)
Tele-Tech, 1949


Science Illustrated, August 1949

1950 Network Map. Here is a 1945 Popular Mechanics article describing how the Bell network operates, and more on Bell System Microwave and Coaxial Networks

1957 Network Map


