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Discussion :: Inventions

  1. Who invented the phonograph?

    2. A.
    Thomas Edison
    B.
    John Kruesi
    C.
    Jules Levy
    D.
    Alexander Graham Bell

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    Answer : Option B

    Explanation :

    John Kruesi was a mechanic for Edison, and Kruesi built the phonograph. Edison designed it, and later improved the phonograph.

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