Science history: First two-way phone call across outdoor lines made...

een koppeling hebt gedeeld

2025-10-09 07:00:08

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Science history: First two-way phone call across outdoor lines made by Alexander Graham Bell Oct. 9, 1876

On Oct. 9, 1876, Alexander Graham Bell made a telephone call to his assistant a few miles away the first demonstration of what would ultimately become a global telephone network.

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