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Word: phonogram (lookup in dictionary) (lookup stats)
Dates: during 1939-1939
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Usage:

Some ten years after the late Thomas Alva Edison first recorded the human voice* on tinfoil in 1877, he sent the foregoing jingly "phonogram," on a wax cylinder, to Colonel George E. Gouraud in London...

Author: /time Magazine | Title: Radio: Ghost Voices | 4/10/1939 | See Source »

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