Napoleon uses samaphore network invented by Chappe.



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送交者: steven 于 2006-4-03, 15:56:59:

回答: Are you sure? Telegram was invented by Morse in 1840s 由 outsider 于 2006-4-03, 15:46:05:

Which is telegram, not electrical telegram though. However, during 1837, electrical telegram was already patended in UK.



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