File:Secretary Abbot Carrying the Radiometer up Mount Wilson.jpg
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DescriptionSecretary Abbot Carrying the Radiometer up Mount Wilson.jpg |
English: Astrophysicist Charles Greeley Abbot (fifth Secretary of the Smithsonian Institution, 1928-1944) carrying the house-fly vane radiometer afoot up the Mount Wilson, California trail. Abbot made this instrument in Pasadena, California, but carried it by hand up the trail so as to not risk breaking it. The radiometer could measure a candle's heat at 3000 miles |
Date | |
Source | http://siarchives.si.edu/collections/siris_sic_8277 |
Author | Unknown authorUnknown author |
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Public domainPublic domainfalsefalse |
This image is from the Smithsonian Institution Archives (SIA). SIA has determined that there are no known copyright restrictions because the SIA believes, to the best of its ability based on available information, that the content is unlikely to be protected by copyright interests and, in all likelihood, is in the public domain. This may mean:
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current | 14:59, 11 April 2012 | 497 × 630 (76 KB) | SarahStierch (talk | contribs) |
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