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Berliner, not Edison, is inventor of microphone, book declares

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Berliner, not Edison, is inventor of microphone, book declares

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Reprinted with permission from Washingtonpost.Newsweek Interactive Company, The Washington Post and washingtonpost.com. Copyright 2002, Washingtonpost.Newsweek Interactive, The Washington Post and washingtonpost.com. All rights reserved.

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Date

01/01/1926
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Source

Library of Congress
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Public Domain

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