06/10/1879 Walton, Charles H to Edison, Thomas Alva
(Twombly, Hamilton McKown) Labor [Marginalia by Edison, Thomas Alva]
[D7941]  Document File Series -- 1879: (D-79-41) Telephone -- Foreign -- U.K. -- General
[D7941ZBY; TAEM 52:586]
Courtesy of Thomas Edison National Historical Park.