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by
Sergio Arienti ®
Historical Time line of electric telegraph
| History of telecommunications |
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| | | Scientists |
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by
Sergio Arienti ® |
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Historical Time line of electric telegraph | | ||||||||||||
| 1832 | Experimental Telegraph galvanometric | C.F. Gauss | |
| | G.E. Weber | ||
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| 1837 | Quadrant Telegraph | Cooke | |
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Charles Wheatstone | ||
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| 1837 | Relays | Joseph Henry | |
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| 1838 | Telegraph with a wire | K. Steinheil | |
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| 1844 | Distribution of the telegraph and Morse code | Samuel Finley Breese Morse | |
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| 1853 | Duplex Transmission | Wilhelm Julius Gintl | |
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| 1866 | Laying of the first transatlantic telegraph cable (31.03.1866) | ||
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| 1870 | Code Baudot | Émile Baudot | |