Looks at inventors & inventions that changed our lives: the telegraph, photophone, animation, sewing machine, ice cream cone, nuclear fission, flight, & others. It includes Thomas Edison's journals & failed inventions, & Alexander Graham Bell's notebook entry describing the first successful experiment with the telephone (March 10, 1876). George Westinghouse, James Smithson, Benjamin Banneker, & Samuel Morse are among others profiled. (LOC)
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