Thomas Alva Edison
by Wil Mara · March 2004
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Juvenile literatureScientistsInventorsElectrical engineersBiographyEdison, thomas a. (thomas alva), 1847-1931, juvenile literatureEdison, thomas a. (thomas alva), 1847-1931Inventors, juvenile literatureEngineersScientists, juvenile literatureEngineers, juvenile literature