Timeline of Communication Technology: Difference between revisions
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| 1774 || Early telegraph invented || Georges-Louis Le Sage || One wire each for 26 letters, ran between two rooms in same house <ref name="semaphore">{{cite web |url=https://www.sciencesource.com/p/16844756/Le-Sage-Early-Electric-Telegraph-9N3574.html |accessdate=December 30, 2017}}</ref> | | 1774 || Early telegraph invented || Georges-Louis Le Sage || One wire each for 26 letters, ran between two rooms in same house <ref name="semaphore">{{cite web |url=https://www.sciencesource.com/p/16844756/Le-Sage-Early-Electric-Telegraph-9N3574.html |accessdate=December 30, 2017}}</ref> | ||
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| | | 1791 || Semaphore (French, proof of concept) || Claude Chappe || Brûlon to Parcé <ref name="semaphore">{{cite web |url=http://www.johnhearfield.com/Radar/Chappe.htm |accessdate=December 30, 2017}}</ref> | ||
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| 1794 || Semaphore (French, operation) || || Paris to Lille <ref name="semaphore">{{cite web |url=http://www.johnhearfield.com/Radar/Chappe.htm |accessdate=December 30, 2017}}</ref> | |||
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| 1794 || Semaphore (Sweden, operation) || || <ref name="semaphore">{{cite web |url=https://en.wikipedia.org/wiki/1794_in_Sweden |accessdate=December 30, 2017}}</ref> | |||
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Revision as of 00:57, 31 December 2017
This is a timeline of communications technology
Big picture
| Time period | Development summary | More details |
|---|
Full timeline
| Year | Technology/event | Inventor | Details | |
|---|---|---|---|---|
| 1767 | Semaphore invented | Richard Edgeworth | [1] | |
| 1774 | Early telegraph invented | Georges-Louis Le Sage | One wire each for 26 letters, ran between two rooms in same house [1] | |
| 1791 | Semaphore (French, proof of concept) | Claude Chappe | Brûlon to Parcé [1] | |
| 1794 | Semaphore (French, operation) | Paris to Lille [1] | ||
| 1794 | Semaphore (Sweden, operation) | [1] | ||