Results of measures made at the Royal Observatory, Greenwich, of photographs of the sun taken at Greenwich, in India, and in Mauritius in the year ...

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Item Link Original Source
Full view   1901-1904 New York Public Library
Full view   1903 Princeton University
Full view   1904 Princeton University
Full view   1905 Princeton University
Full view   1905-1906 New York Public Library
Full view   1906 Princeton University
Full view   1907, 1908 Princeton University
Full view   1907-1909 New York Public Library
Full view   1909 Princeton University
Full view   1910 Princeton University
Full view   1911 Princeton University
Full view   1912 Princeton University
Full view   1915 Princeton University