Alexander Graham Bell's most significant invention, the telephone, emerged from years of experimentation and a deep fascination with sound. In the early 1870s, while working on a harmonic telegraph, Bell became captivated by the idea of transmitting human voice over wires. In 1876, he successfully transmitted clear speech, leading to his historic first phone call to Thomas Watson, a skilled electrician and his close collaborator. The moment was revolutionary; Bell exclaimed, “Mr. Watson, come here – I want to see you,” forever marking the day as a turning point in communication technology.
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