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Lemelson Center's Invention at Play: Alexander Graham Bell
A summary of Alexander Graham Bell's telephone invention.
US National Archives
Nara: Teaching With Documents: Telephone and Light Patent Drawings
A lesson plan about Alexander Graham Bell's patent for the telephone and Thomas Edison's patent for the electric lamp. Contains good background information and historically pertinent documents. It also discusses the role corporations...
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Lemelson Center's Invention at Play: Sketch From Bell's Notebook
View a sketch from Bell's notebook from 1876. From a collection Bell's papers at the Library of Congress.
National High Magnetic Field Laboratory
Magnet Academy: Bell Telephone 1876
Acoustics, variable resistance and allegations of foul play contribute to the exciting story of the invention of the telephone.