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His experiments with transmitting sound through wires from "summary" of Alexander Graham Bell by Edwin S. Grosvenor,Morgan Wesson
Bell's fascination with transmitting sound through wires led him to conduct a series of experiments that would ultimately revolutionize communication. He was intrigued by the idea of sending speech through electrical signals, a concept that seemed far-fetched to many at the time. However, Bell was determined to prove that it was possible. Bell's experiments began with simple devices made from everyday materials such as magnets, wire, and a membrane. He would speak into a transmitter while his assistant listened at the other end through a receiver. The results were often muffled and indistinct, but Bell persevered, constantly refining his designs and testing new configurations. One breakthrough came when Bell discovered that varying the strength of the electrical current could modulate the sound waves, resulting in clearer and more intelligible speech...
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