Results for "Bell Telephone Laboratories"

     
    Showing results 1 - 1 of 1 for Bell Telephone Laboratories
    1. Crowds at the U.S. Capitol, assembled for the second inauguration of John Calvin Coolidge, Jr. , 1925.

      Science Service, Up Close: Radio Extends the Audience, Inauguration Day, 1925

      • Date: January 19, 2017
      • Creator: Marcel Chotkowski LaFollette
      • Description: President Calvin Coolidge's second inauguration in 1925 reaches an audience of millions, thanks to a new technological innovation--the radio.

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    Showing results 1 - 1 of 1 for Bell Telephone Laboratories