10:35
Cosmo
Image from page 198 of “The Adolfo Stahl lectures in astronomy, delivered in San Francisco, California, in 1916-17 and 1917-18, under the auspices of the Astronomical Society of the Pacific” (1919) by Internet Archive Book Images
Saturday, 14 November 2015
mizisham: Image from page 198 of “The Adolfo Stahl lectures...
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