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A rare manuscript by the inventor of the telephone, showing his design of the instrument and its principle of operation. The sketch was drawn in Boston and given to his cousin in Australia, and later donated to the Library of Congress.
May 6, 2020 · Learn about the inventions of Alexander Graham Bell and Thomas Edison and their impact on American life. See the patent drawings of the telephone and the electric lightbulb from the National Archives.
An actor portraying Alexander Graham Bell speaking into an early model telephone. The invention of the telephone was the culmination of work done by more than one individual, and led to an array of lawsuits relating to the patent claims of several individuals and numerous companies.
Image 1 of Alexander Graham Bell's design sketch of the telephone, ca. 1876. Image 2 of Alexander Graham Bell's design sketch of the telephone, ca. 1876. 1. Results per page.
LIFE Photo Collection. The project that Bell himself called his greatest achievement in 1880 he named the photophone. This was a method of transmitting sound in a beam of light using a light...
