The school became part of Boston University, where Bell was a teacher of vocal physiolo gy. He became a U.S. citizen in 1882. Since Bell was 18, he had been working on the idea of communicate speech. In 1874, while working on a five-fold telegraph, he came up with the basic ideas for the telephone. His experiments with his assistant Thomas Watson in conclusion were fortunate on March 10, 1876, when the first complete destine ...If you require to get a full essay, order it on our website: OrderEssay.net
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