08/12/1878 Redpath, James to Peik, C L
(Scientific American; Munn & Co; Edison, Thomas Alva) Newspapers, books, other publications; Patent infringement; Cylinder phonograph
[X154B5]  Historical Society of Pennsylvania, Philadelphia, Pa.: Uriah Hunt Painter Papers -- Edison Speaking Phonograph Company Letterbooks -- Phonograph Agency Letterbook (July-August 1878)
[X154B5AW; TAEM 0:0]