United States Communication: Invention of telephone. (17 feb 1876 anni – 4 agos 1876 anni)
Descrizione:
Alexander Graham Bell invented the telephone at the nation's centennial exposition in Philidelphia in 1876. By 1915, the telephone wires connected Americans from coast to coast.
Aggiunto al nastro di tempo:
Data:
17 feb 1876 anni
4 agos 1876 anni
~ 5 months and 19 days
Immagini:
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