11/26/1877 Bliss, George Harrison to Edison, Thomas Alva
(Western Union; Gray, Elisha; Barton, Enos M; Beetle, George L) Sales and service; Telephone; Electric pen and mimeograph
[D7711]  Document File Series -- 1877: (D-77-11) Electric Pen
[D7711ZAI; TAEM 14:422]
Courtesy of Thomas Edison National Historical Park.