11/20/1903 Hammer, William Joseph to Edison, Thomas Alva
(Aylsworth, Jonas Walter; Curie, Pierre; Curie, Marie (Mrs Pierre); Crookes, William; Becquerel, Antoine-Cesar) Newspapers, books, other publications; Patent assignments, licenses, and royalties; Metals and minerals; X-rays; Chemicals, chemical products, and chemical processes
[X098B]  Smithsonian Institution, Washington, D. C. -- National Museum of American History Archives Center: William J. Hammer Collection -- Letterbooks (1903-1904)
[X098B003; TAEM 0:0]
Courtesy of the NMAH Archives Center.