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Tuesday, 6 March 2018
Alexander Graham Bell
Alexander Graham Bell was born March 3, 1847 in Edinburgh, Scotland. March is also the anniversary of his most famous invention: the telephone. In 1875, after receiving a patent for the transmission of multiple telegraph signals on a single wire, […]
from Resources » Surfnetkids http://ift.tt/2D5AelH
from Resources » Surfnetkids http://ift.tt/2D5AelH
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