Charles Greeley Abbot, astrophysicist and Secretary of the Smithsonian, with his device: a silver-disc pyrheliometer which measures direct beam solar irradiance
photograph collection Physical description
- Date
- 1913–1917
- Photographer / author
- Collection
- Collection
- Harris & Ewing
- Archive
- Library of Congress (via Wikimedia Commons)
- Type
- photograph
- Original size
- 10,145 × 7,585 pixels
Public domainsafest
Reason: Harris & Ewing collection, given to the Library of Congress without copyright restrictions.
Read from: Commons licence category: PD-Harris-Ewing; no CC BY, CC BY-SA, GFDL or deletion tag on the file page; permission field: No known restrictions on publication. For more information, see Harris & Ewing Photographs - Rights and Restrictions Inf.
Credit line
"Charles Greeley Abbot, astrophysicist and Secretary of the Smithsonian, with his device: a silver-disc pyrheliometer which measures direct beam solar irradiance" (1913–1917). Collection. Library of Congress, Prints and Photographs Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Charles_Greeley_Abbot,_astrophysicist_and_Secretary_of_the_Smithsonian,_with_his_device-_a_silver-disc_pyrheliometer_which_measures_direct_beam_solar_irradiance_LOC_hec.04702.tifNeed photos for a whole script? Add Find Any Photo to Claude and ask for this one by its id: 275019.
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Charles Greeley Abbot
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1936 · Library of Congress
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