Digitized Content [Interior of Edison's laboratory, Menlo Park, New Jersey : black & white photoprint.]
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Creators:
Hammer, William J. (William Joseph), 1858-1934 (electrical engineer)
Dates:
1880
Level:
item
Size:
1 Item (9.8" x 13.0".)
Collection ID:
NMAH.AC.0069
Repository:
Archives Center, National Museum of American History

Men in the photograph are identified in ink on the mountboard.

Contained In: