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National Geographic Society. Anniversary of Bell Telephone. Front: Theodore Newton Vail And Alexander Graham Bell; Back of Bell, Thomas Augustus Watson, Assoc. with Bell in Experiments. Diagonally Upward, Right: John .J. Carty; G.H. Grosvenor; J.O. Lagorce, 1916. National Geographical [sic] Society - Anniversary of Bell Telephone, 1916. Creator: Harris & Ewing. (KEYSTONE/HERITAGE IMAGES/HERITAGE ART)