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4 St 6 Dez 1878 Jahr - Switch board

Beschreibung:

The first phone with a manual switch board was invented in 1878 and it was first debuted in Boston

Zugefügt zum Band der Zeit:

The History of Phones Timeline

BySathmini BATAGODA

29 Nov 2017

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806

Datum:

4 St 6 Dez 1878 Jahr

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~ 146 years ago

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