12/06/1881 Edison, Thomas Alva [supplied or conjectured] to Johnson, Edward Hibberd -- Telegrams and Cables
(Brush Electric Co) Patents; Central stations
[LB009]  Letterbook Series -- General Letterbooks: LB-009 (1881-1882)
[LB009413A; TAEM 81:156]
Courtesy of Thomas Edison National Historical Park.