Edison Voicewriter

Last updated
Edison Voicewriter
Type Dictation machine
Inception1945
Manufacturer Thomas A. Edison, Inc.

The Edison Voicewriter (also marketed as the Ediphone) is a dictation machine designed by Thomas A. Edison, Inc.. [1] It was developed in the early 1940s and introduced to the market in 1945.

The machine uses an unique vertical mechanism to emboss sounds onto red plastic discs called diamond discs. [2]

References

  1. Nackman, Rachel (2016-09-15). "Take a Memo". Cooper Hewitt . Retrieved 2025-11-30.
  2. Digitisation and Digital Preservation Team (October 2025). "Spinning back time: the Edison Voicewriter and its Diamond Discs". State Library of South Australia . Retrieved 2025-11-30.