Comments by "CalBob750" (@calbob750) on "Century 21 Calling, 1962 - ATu0026T Archives - World's Fair tour" video.

  1. In 1962 the Bell System was still serving major cities with 1920s switching technology that wouldn’t be replaced until the early 70s. Rotary dial for for that 1920s technology. Touch tone phones were for the first wave of digital technology...ESS.
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