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When did bell invent the first telephone
Bell was in his laboratory with this latest experimental version of a telephone transmitter. In the bedroom, his . On 10 March , the first intelligible telephone communication was made. Bell and Watson continued to work on the harmonic telegraph at the insistence. This idea was to create a device that could transmit the human voice electrically. In , Bell started working on the harmonic telegraph — a device that allowed multiple messages to be . Aug 25, When Was the Telephone Invented? Watson, come here. On March 7, , Bell was granted his telephone patent. I want. A few days later, he made the first-ever telephone call to Watson, allegedly uttering the now-famous phrase, “Mr. A few days later, he made the first-ever telephone call to Watson, allegedly uttering the now-famous phrase, "Mr. Watson, come here. I want. On March 7, , Bell was granted his telephone patent. Jun 17, · Calling the Italian's career extraordinary and tragic, the resolution said his "teletrofono", demonstrated in New York in , made him the inventor of the telephone in . 6. On March 10, , three days after his patent was issued, Bell and his assistant, Thomas Watson, made the first successfully transmitted. 3.