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5 agos 1816 anni - First Major Electrical Engineering Begins

Descrizione:

Francis Ronalds develops the first electrical telegraph but is rejected by the wider community.

Elements of his plans would be used twenty years later in the first commerically sucesfull telegaph.

Aggiunto al nastro di tempo:

Data:

5 agos 1816 anni
Adesso
~ 209 years ago