Harvard College Observatory
Scan day: 03 February 2014 UTC
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Description: Photographic plate collection, model shop information and images, information on 9 inch Clark and the Great Refractor, and public open nights.
Announcement: Harvard College Observatory | www.cfa.harvard.edu/ Welcome to the home page of the Harvard College Observatory (HCO). Founded in 1839, the HCO carries on a broad program of research in astronomy and astrophysics, collaborating with the Smithsonian Astrophysical Observatory (
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Total pages in the index, 33700