03/13/1880 Rint, G P to Edison, Thomas Alva -- Telegrams and Cables
(Twombly, Hamilton McKown; Lowrey, Grosvenor Porter) [Marginalia by Edison, Thomas Alva]
[D8043]  Document File Series -- 1880: (D-80-43) Telephone -- General
[D8043V; TAEM 55:621]
Courtesy of Thomas Edison National Historical Park.