1. Telegraph — 2023-09-23 15:56:52

   …garden and connected both ends to two clocks marked with the letters of the alphabet. {{Image url="RonaldsTelegraph.jpg" class="left" title="Ronalds Telegraph" width="300" }} Static electrical impulses were sent along the wire…
   … were used to transmit messages. To communicate messages Ronalds had made two identical clock-like machines, each with a moving index or hand, with the alphabet engraved around the dia…
   …ood, [[Gloucestershire]], he was a curious fifteen-year old. His uncle from London took him to view the telegraph in Mr Ronalds' garden. Charles Wheatstone was one of the outstanding academics of the 19th Century. He worked in his fathers music sh…

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