the telephone was discovered almost by accident. What people thought they were looking for was a way to mate the telegraph work faster and more profitably - by sending distinct musical notes or tones simultaneously along the wires with a separate message sent on each frequency.
But they soon realised it could also include the human voice - a speaking telegraph. And if you could talk down a wire, wouldn't that be an entirely new and better way of communicating?
The individual parts of the telephone were discovered and developed by different people at different times.
Someone needed to take all those connections and draw them together into one working instrument. In the end that someone was Alexander Graham Bell - but he only just won the race.
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