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He really doesn't seem to have much. At 12 he was a railroad newsboy and started to experiment with chemistry. He got the exclusive right of selling his newspapers on his line and began publishing the Grand Trunk Herald, the first newspaper printed in a train. The stationmaster taught him telegraphy and he invented an auto repeater by which messages could be sent from one wire to another without an operator. He developed his system of duplex telegraphy while he was a telegraph operator in Boston. In 1871 he made the printing telegraph and established his workshop in Newark NJ. He moved that to Menlo Park in 1887.

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Q: What type of schooling did Thomas Edison have?
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