Wednesday, 10 July 2013

THOMAS ALVA EDISON



                                                          One of the greatest inventors of all time, Thomas Alva Edison produced a number of inventions that changed the world- electric lightening, sound recording, and an early form of moving pictures, among many others. He had little formal schooling, but he was fascinated by science. Edison was born in 1847 in a small town Ohio,USA. In 1876, he moved to Menlo Park.In 1877 he created the phonograph.In the very next year he invented the carbon microphone,for use in telephone mouthpieces. In1879 patents the electric bulb. His last invention was the Kinetoscope.This Great MasterMind died in 1931 when he was 87.His greatest invention accepted by the world is Electric Bulb.

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