03/10/1898 Jenks, William J to Edison, Thomas Alva
(Siemens, Werner von; Dyer, Richard Nott; Hammer, William Joseph) Patent infringement; Electric traction [Attachment/Enclosure]
[X098A]  Smithsonian Institution, Washington, D. C. -- National Museum of American History Archives Center: William J. Hammer Collection -- Correspondence (1879-1930)
[X098A070; TAEM 0:0]
Courtesy of the NMAH Archives Center.