On march 3, 1847, alexander graham bell was born in edinburgh. He was a scotsman although he later emigrated, first to canada and then to the usa in the 1870s.In America , he worked with deaf- mute at Boston university .Soon , Bell started experimenting with ways of transmitting speech over a long distance . This led to the invention of the telephone Bell and his asistant , Thomas Watson , conducted many experriments
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