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Daniel Leavir
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Hans y Lymans
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Alessandro Volta
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Abraham Darby -
James Watt
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Edmund Cartwrigh -
Samuel Finley Breese Morse
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Joseph Nicéphore Niépce
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George Stephenson -
Thomas Davenport
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Charles Goodyear -
Alexander Parkes -
Alfred Nobel -
Graham Bell
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Alva Edison