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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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1 Jan 1821 Jahr - The First Microphone
Beschreibung:
Charles Wheatstone reproduces sound in a primitive sound box - the first microphone.
Zugefügt zum Band der Zeit:
History of media
By
RJ Beaudoin
30 Okt 2018
0
0
421
Datum:
1 Jan 1821 Jahr
Jetzt
~ 204 years ago
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