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The Sir John Herschel Collection
The preparation of the print Calendar of the Correspondence of Sir John Herschel (Michael J. Crowe ed., David R. Dyck and James J. Kevin assoc. eds, Cambridge, England: Cambridge Univ. Press, 1998, viii + 828 pp) which was funded by the National Science Foundation, took ten years. It was accomplished by a team of seventeen professors, visiting scholars, graduate students, advanced undergraduates, and staff working at the University of Notre Dame.
The first online version of Calendar was created in 2009 by Dr Marvin Bolt and Steven Lucy, working at the Webster Institute of the Adler Planetarium, and it is that data that has now been reformatted for incorporation into Ɛpsilon.
Further information about Herschel, his correspondence, and the editorial method is available online here: http://historydb.adlerplanetarium.org/herschel/?p=intro
No texts of Herschel’s letters are currently available through Ɛpsilon.
Nearly a year has passed since they received letters from the Herschels. Hopes JH's health is improving. Gives news of her own children, and the work of her husband at Orange River. The Equatorial has arrived safely.
Discusses possible meteorological and magnetic research possibilities in the colonies, particularly at Bermuda.
Discusses issues raised in JH's 'On the Chemical Action of the Rays of the Solar Spectrum on Preparations of Silver....'
Responding to a published statement by WW regarding the discovery of Neptune, JH presents in detail a different interpretation, giving more credit to U. J. J. Leverrier than WW favored. Suggests that some observatory make a photographic record of sunspots.