Telephone Exhibit Opens

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Secretary Leonard Carmichael and Dr. Melville Bell Grosvenor, president of the National Geographic Society and grandson of Alexander Graham Bell, inaugurate the recently completed exhibition illustrating the invention and development of the modern telephone system.


  • Bell, Alexander Graham 1847-1922
  • Grosvenor, Melville Bell 1901-1982
  • Carmichael, Leonard 1898-1973
  • National Geographic Society
  • United States National Museum


Chronology of Smithsonian History


Annual Report of the Smithsonian Institution for the year 1957, p. 34

Contact information

Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520,


March 11, 1957


  • Telephone
  • History of Technology
  • Secretaries
  • Inventions
  • Exhibit openings
  • Exhibitions

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