Prof. Chas. F. Marvin, Chief of U.S. Weather Bureau, with recording mercurial barograph, an instrument made and perfected by the bureau under his supervision, measuring on a magnified scale the fluctuations in the pressure of the air
4 x 5 in. or smaller
- Date
- 1924
- Collection
- Harris & Ewing
- Archive
- Library of Congress (via Wikimedia Commons)
- Type
- photograph
- Original size
- 7,752 × 10,008 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
"Prof. Chas. F. Marvin, Chief of U.S. Weather Bureau, with recording mercurial barograph, an instrument made and perfected by the bureau under his supervision, measuring on a magnified scale the fluctuations in the pressure of the air" (1924). Harris & Ewing. Library of Congress, Prints and Photographs Division, via Wikimedia Commons. Public domain. https://commons.wikimedia.org/wiki/File:Prof._Chas._F._Marvin,_Chief_of_U.S._Weather_Bureau,_with_recording_mercurial_barograph,_an_instrument_made_and_perfected_by_the_bureau_under_his_supervision,_measuring_on_a_magnified_scale_LCCN2016893823.jpgNeed photos for a whole script? Add Find Any Photo to Claude and ask for this one by its id: 293509.
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