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Alexander graham bell (/ ˈɡreɪ.əm / ⓘ 9, 1876, alexander graham bell made a telephone call to his assistant a few miles away — the first demonstration of what would ultimately become a global telephone network. Alexander graham bell is best known as the inventor of the telephone — the first to transmit the human voice by means of an electric current — but there was much more to this extraordinary man than his breakthrough in communications technology.
Alexander graham bell invented the telephone Discover facts about his early life through to his later inventions. Remarkably, he only worked on his invention because he misunderstood a technical work he had read in german
His misunderstanding ultimately led to his discovery of how speech could be transmitted electrically.
In june, bell demonstrated the telephone for sir william thomson (baron kelvin) and emperor pedro ii of brazil at the centennial exhibition in philadelphia On july 9, 1877, bell, hubbard, sanders, and watson formed the bell telephone company, the precursor of the bell system. After inventing the telephone, bell continued his experiments in communication, which culminated with the photophone transmission of sound on a beam of light, a precursor of today's optical fiber systems He also worked in medical research and invented techniques for teaching speech to the deaf.
Explore a biography of alexander graham bell the inventor of the telephone
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