Alexander Graham Bell ( Alexander Graham Bell) (born March 3, 1847 - died August 2, 1922) was a Scottish-American inventor , innovator and scientist. Bell had many inventions, but he is most famous for inventing the telephone.
His other inventions include metal detector and 3D truss

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Yes, metal detectors are their inventions

Wow, I was surprised that he also invented a metal detector
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I can't imagine the world without telephone 
Thank you Graham bell😁😍

The inventor of the telephone, Graham Bell, is a famous person

It is very valuable for them to help all of us and to invent their help

How nice that you posted about him, he is a smart man

He contributed greatly to the advancement of technology in human society...
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