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History, 30.08.2019 20:30 ansatsai

How did granville woods improve the telegraph?
he made it possible for the telegraph to transmit speech.
he made it easier for ordinary, untrained people to operate the telegraph.
he made it possible for moving trains to have telegraphs.
he made the telegraph easier to carry around.

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How did granville woods improve the telegraph?
he made it possible for the telegraph to trans...
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