August 12 in American History
Thomas Edison finished the first working phonograph, capable of recording and playing back sound — a machine even he initially assumed would mostly be used for business dictation, not music. It's a reminder that inventors rarely predict what their own inventions will actually be used for.
In 1877: Edison completes the phonograph. Thomas Edison finished the first working phonograph, capable of recording and playing back sound — a machine even he initially assumed would mostly be used for business dictation, not music.
Thomas Edison finished the first working phonograph, capable of recording and playing back sound — a machine even he initially assumed would mostly be used for business dictation, not music. It's a reminder that inventors rarely predict what their own inventions will actually be used for.
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