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Emerson Record-O-Phone wire recorder/telegraphone as invented by Valdemar Poulsen

Emerson Electric Co. [früher Emerson Electric Manufacturing Co.] (gegr. 1890); Record-O-Phone Co. (1924 - um 1927)1924 - 1925

Museum for Communication Frankfurt, Museum Foundation Post and Telecommunication

Museum for Communication Frankfurt, Museum Foundation Post and Telecommunication
Frankfurt am Main, Germany

In 1901, American investors founded the American Telegraphone Co. to commercially exploit the magnetic recording technology invented by Valdemar Poulsen in 1898. As a result of mismanagement, the first telegraphone was not invented until 1912. The chemical company DuPont established a dictation center, in which letters were dictated over the phone. However, only a few hundred machines were sold and Telegraphone Co. went bankrupt in 1920. After that, the Record-O-Phone company sold the devices.

Details

  • Title: Emerson Record-O-Phone wire recorder/telegraphone as invented by Valdemar Poulsen
  • Creator: Emerson Electric Co. [früher Emerson Electric Manufacturing Co.] (gegr. 1890); Record-O-Phone Co. (1924 - um 1927)
  • Date Created: 1924 - 1925
  • Location Created: New York, NY, USA
  • Rights: © Museumsstiftung Post und Telekommunikation
  • Material: Holz, Metall, Kunststoff

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