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jan 1, 1809 - First telegrph using aelectrochemical system by Samuel Thomas von Sömmering

Description:

1790-1795: french semaphore network
1806: static electricity system by Francis Ronalds
1809: electrochemical system by Samuel Thomas von Sömmering

Added to timeline:

HC - Universe (WIP!)

13 Sep 2018

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Date:

jan 1, 1809

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~ 217 years ago

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