The Leon Foucault Heliostat, built by Jules Duboscq, 1862.

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Medium: albumen print

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Size: 2700px × 3623px
Photo credit: © Archive Farms. Inc / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: &, /, 1800s, 1860s, 19th, archival, astronomical, black, century, duboscq, foucault, heliostat, historical, history, instrument, jules, leon, photograph, photography, phtl, science, sepia, white