1 ore 33 min, 10 marzo 1876 anni - First phone call with human voices

Descrizione:

1. It was a huge break though because it was the first phone call that people could actually use words to communicate.
2. Alexander Graham Bell in 1876
3. It influenced the communications by now allowing humans to talk to eachother over a longer distance
4. Positive- Changes the way humans communicated
6.http://www.americaslibrary.gov/jb/recon/jb_recon_telephone_1.html

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