Alexander Graham Bells Inventions
He was born on March 3, 1847 in Edinburgh, Scotland.When he was 23, Bell and his parents
moved to Canada.
On February 14, 1876, Bell and an American electrical engineer ,Elisha Gray both filed patents with the U.S. Patent Office covering the transmission of sounds telegraphically. bell improved on his design and by 1886 more than 150000 people owned telephones in the United States.