My knowledge of electrical subjects was not acquired in a methodical manner but was picked up from such books as I could get hold of and from such experiments as I could make with my own hands.
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About Alexander Graham Bell
Alexander Graham Bell was a 19th-century inventor of the telephone. Alexander Graham Bell was a Scottish-born Canadian-American inventor, scientist, and engineer who is credited with patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company (AT&T) in 1885. Read more on Wikipedia →