Edison Voicewriter
From Wikipedia, the free encyclopedia
 | |
| Type | Dictation machine |
|---|---|
| Inception | 1945 |
| 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 a unique vertical mechanism to emboss sounds onto red plastic discs called diamond discs.[2]
