Patent Drawing for Abbot's Pyrheliometer
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Creator: Unknown
Form/Genre: Photographic print
Date: 1940?
Citation: Smithsonian Institution Archives, Record Unit 7005, Box 187, Folder: 12
Patent drawing for Astrophysicist Charles Greeley Abbot's (Fifth Secretary of the Smithsonian Institution, 1928-1944) silver disk pyrheliometer. Corresponds to patent # 2,247,830 of July 1, 1941.
Historic Images of the Smithsonian
There are many other examples of instruments that Secretary Abbot worked with and/or invented at this SIA location.
Smithsonian Institution Archives, Record Unit 7005, Box 187, Folder: 12
Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu
1940?
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32803-A or MAH-32803A
Color: Black and White; Size: 10w x 8h; Type of Image: Drawing; Medium: Photographic print