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| Thomas Alva Edison: One of the all time Greatest Inventor of the World, He had little formal schooling, but he was fascinated by science.Under his mother observation (Who was Schoolteacher ) he completed his study in his home and he build his own science lab from his Telegraphic operator profession during his early days.From the year 1868 to 1928 from the age of 21 years to 81 years he got 1091 patents in USA and got 1239 patent outside USA. His Inventions covers Electric light bulb , Phonograph , Kinetoscope , Improved telephone mouthpiece. |
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