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  1. Speaking clock - Wikipedia

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  3. Timeline of the telephone - Wikipedia

    WEB1876 to 1878. 1879 to 1919. 1920 to 1969. 1970 to 1999. 2000 to present. See also. Notes. Bibliography. External links. Timeline of the telephone. This timeline of the telephone covers landline, radio, and cellular …

  4. Telephone | History, Definition, Invention, Uses, & Facts

    WEBTelephone, an instrument designed for the simultaneous transmission and reception of the human voice. It has become the most widely used telecommunications device in the world, and billions of telephones are in …

  5. Telephone Time - Wikiwand

  6. History of the telephone in the United States - Wikipedia