Archives Center, National Museum of American History

Guide to the William J. Hammer Collection

Summary
Collection ID:
NMAH.AC.0069
Creators:
Hammer, William J. (William Joseph), 1858-1934 (electrical engineer)
Dates:
circa 1847-1989
Languages:
English
.
Physical Description:
36 Cubic feet
124 boxes, 3 map-folders