Harvard College Observatory.
Harvard College Observatory journal of observations made with 12" horizontal telescope, 1888-1889.
Includes a journal of astronomical observations.
The Astronomical Observatory was established in 1839, and is now known as the Harvard College Observatory. The Boyden Station of the Observatory was originally located in Arequipa, Peru until 1927 when it was transferred near Bloemfontien in the Orange Free State, South Africa. This station closed about 1966.
Harvard College Observatory.
Telescopes.
AIP-ICOS
Harvard University. Archives. Pusey Library. Cambridge, MA 02138, USA.