HistoryThomas a. Edison lawa Born in the year of the successful State Ohio United States age of 12 years. He has worked as a children's train travel news. Fruit and newspaper sales, Edison hearing When he was 15 years of age, were working as telegraph his invention of man. The machine shoulders for the Telegraph in 1869 aged 21 years old now, has copyrighted the first piece of his invention. Later in the year 1878 Edison, it was the world's first artificial lighting tubes has successfully. At the end of life, their health. Very lovely, and to die in 1931Portfolio-Invention of the electric bulb-Invention of the harmonica sound.-Invention of the dish sound.-Artificial voice recorder-A movie camera inventor
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