Interesting Engineering on MSN
150 years of telephone: How Alexander Graham Bell’s first call changed human history
About 150 years ago, in a small, crowded laboratory, a revolutionary moment occurred when ...
On March 10, 1876 Alexander Graham Bell revolutionized the way we communicate when the first discernible human voice traveled over wire from one person to another.
The first telephone call was made 150 years ago. Cincinnati was one of the first cities to embrace the invention that changed ...
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