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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.
Has just returned from London where he has taken his son, ready to go to Christ's Hospital. Would have called on JH but believed he was not at Collingwood. Hopes to meet him at York. Comment on his recent photographic work. Would like to obtain a position in London.
Attempts to determine light curve of Eta Argus; describes methods for determining magnitude. C. P. Smyth uses R.A.S. theodolite telescope. TM will triangulate Bushman Flat. Parallax work at Cape Observatory continues. Reports progress of new government Secretary, [John] Montague.
Magnitude changes in Eta Argus. Compares methods for measuring brightness. Difficulties completing 'sector observations.' C. P. Smyth's problems with theodolite at Cape Agulhas. Mrs. [Mary] Maclear recovering after serious illness. New roads and bridges in colony.