Making the Perfect Record: From Inscription to Impression in Early Magnetic Recording

Poulsen Patented the Telegraphone

Also in 1899, Poulsen and a group of investors established a corporation in Denmark: Aktieselskabet Telegrafonen Patent Poulsen (or Aktieselskabet Telegrafonen). Ultimately, he received patents for magnetic recording in thirty-eight countries.

(This note comments on the page titled, "Remediating the Telephone," as well as the attached image titled, "Poulsen's 20th-Century Apparatus for Storing Sound (1906).")

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