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The Inventions of Thomas Alva Edison
註釋Did you know that the inventor of the phonograph, Thomas Alva Edison, was hard of hearing? That’s just one of the many interesting facts readers will come across in this title. Readers will get a look inside the master inventor’s fabled invention factory, as well as a look at some of his greatest inventions—the light bulb, the Kinetograph, and the Kinetoscope.