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OCR: A THOMAS EDISON He became interested in 1847-1931 telegraphy, and started to invent E and patent small improvements to the telegraph system. In 1875, F Edison set up a workshop in New G Jersey. One of the many inventions H -- - to come out of this venture was the phonograph, or record player. The K sound was recorded by a steel stylus L and a diaphragm onto a tinfoil- M covered cylinder. Not having much interest in music, Edison believed T the phonograph's main use would PO HOMAS ALVA EDISON was be as an office dictating machine. bom in Ohio. He had a basic R Among Edison's other inventions S education from his mother but were an early light bulb and an T showed little interest in formal improved telephone microphone. u study. However, he had a keen eye for business, and by the age of 12, ...