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

Description

Viewability

Item Link Original Source
Full view   1910-1914 New York Public Library
Full view   1916-1918 New York Public Library
Full view   1926 University of California
Full view   1927 University of California
Full view   1928 University of California
Limited (search only)   1929 University of California
Limited (search only)   1930 University of California