Electricity and Modern Physics, Division of, NMAH, SI. Search this
Hammer, William J. (Wiiliam Joseph), 1858-1934 ((electrical engineer)) Search this
Box 29, Folder 1
Sept. 11, 1922
Collection is open for research.
Collection items available for reproduction, but the Archives Center makes no guarantees concerning copyright restrictions. Other intellectual property rights may apply. Archives Center cost-recovery and use fees may apply when requesting reproductions.
William J. Hammer Collection, Archives Center, National Museum of American History