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Creators:
Hammer, William J. (William Joseph), 1858-1934 (electrical engineer)
Dates:
circa 1847-1989
Size:
36 Cubic feet (124 boxes, 3 map-folders)
Collection ID:
NMAH.AC.0069
Repository:
Archives Center, National Museum of American History

Original documents and papers generated by William J. Hammer and by various companies and individuals with whom he was associated. Includes material related to the research and inventions of Edison, Bell, Tesla, the Curies, etc.