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August 12, 1877 in History
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Event: Thomas Edison invents Edisonphone, a sound recording device |
Related Topics:
Device Edison invents recording Sound Thomas Related Year: 1877 Related Events: August 12 |
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More Notable Events on August 12:
1994 Stephen G. Breyer, sworn in as Supreme Court Justice 1981 IBM introduces PC and PC-DOS version 1.0 1977 Space shuttle Enterprise makes 1st atmospheric flight 1953 Soviet Union conducts secret test of its 1st hydrogen bomb 1898 Hawaii formally annexed to U.S. |
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