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Telephone One of the great inventions in the history of mankind, without which we would currently be unable to live, is the telephone. In the popular imagination, Graham Bell has always been the inventor of the telephone, but in recent years the trend has changed and Antonio Meucci has been given this credit.
In 1849, Meucci made various copper wire connections between himself and a patient. One end was inserted into the patient's mouth while he performed the same operation in another room. There was a fourth terminal attached to a magnet that caused a discharge. Next up was improving the quality of transmission and reception, so he worked on many prototypes until he achieved what we know as the teletrophon, the device he used to communicate with his wife. But Meucci didn't patent his invention since the Italian inventor didn't have a lot of money to pay for the patent. Although later in 1872, he gathered some pennies and patented it annually
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