4 records — Page 1 of 1
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Creators:
Electricity and Modern Physics, Division of, NMAH, SI.
Hammer, William J. (Wiiliam Joseph), 1858-1934 ((electrical engineer))
Dates:
circa 1874-1935
1955-1957
Size:
36 Cubic feet (84 boxes, 16 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.

Found In
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Dates:
1926-1974, undated
Level:
series
Size:
22 Linear feet (Boxes 1-22; Reels 5488-5545)
Collection ID:
AAA.downgall
Repository:
Archives of American Art

This series consists of the business and personal correspondence of Edith Gregor Halpert and the Downtown Gallery. For the most part, this series is general business correspondence concerning routine activities of the Downtown Gallery, including the American Folk Art Gallery and the Daylight Gallery, both operated by the Downtown Gallery on the sam...

4 records — Page 1 of 1