Dictaphone, 1929
Dictaphone, 1929
Good old Phone ads.
So much information, and a comic.
https://en.wikipedia.org/wiki/Dictation_machine
https://en.wikipedia.org/wiki/Dictaphone
This is a phone with voice recorder.
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comments
Wow, wax cylinders until 1947.
Wiki: https://en.wikipedia.org/wiki/Dictation_machine
It is a phone with built-in recorder.
https://en.wikipedia.org/wiki/Dictaphone This is about that phone (trademark)