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September 30, 2021
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Telephone (mar 10, 1876 – 12h 1min, dec 7, 2021 y)

Description:

Alexander Graham Bell was the first to make a working telephone and use it. They were used as a system for transmitting voices over a distance using wire or radio, by converting acoustic vibrations to electrical signals.

Added to timeline:

11 Nov 2018
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0
160
Technology Timeline
Geography Homework

Date:

mar 10, 1876
12h 1min, dec 7, 2021 y
~ 145 years
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