Awasome Long Distance Communication Telegraph References

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Long Distance Communication Telegraph. Contrary it proves the real demand for a permanent communication system. In 400 bc, signals could be sent by beacon fires or drum beats.

PPT The Electric Telegraph PowerPoint Presentation, free download
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In 350 bc, a greek named aeneas. In 350 bc, a greek named aeneas. Web one type of technology that many of us may take for granted is the ability to communicate with others over long distances, or to large groups of people.

PPT The Electric Telegraph PowerPoint Presentation, free download

The semaphore telegraph, already running. Web in the 4th century bc, a greek named aeneas invented a hydraulic telegraph that could help people communicate over long distances. Web while it’s unlikely that the first message sent between paris and lille in 1792 was simply a ‘hi’, france was covered with a network of 556 stations stretching a total. Web it is a form of visual communication used over a long distance.