Has been absent from home, which accounts for his belated reply. Comments on JH's difficulties in relation to W. H. Hopkins's memoir on the external temperature of the earth. JH's son is progressing well.
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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 been absent from home, which accounts for his belated reply. Comments on JH's difficulties in relation to W. H. Hopkins's memoir on the external temperature of the earth. JH's son is progressing well.
Writes to arrange a visit to Collingwood.
Thanks JH for discovering an important error in a work WS asked him to proof read. Asks JH about a variable in Canis Minor over which there is some debate.
Has received the agreement noted on his ticket of 14 Feb.
JH has got hold of the explanation about central forces. Need not worry about Elizabeth Baily; he will see to that. Do not reject any letters; they may be important in the future. Gives one of his own theorems.
Offers AD a puzzle and JH's solution to AD's problem about a body revolving in the evolute of an ellipse. On sending Francis Baily's correspondence to Greenwich.
Thanks for having sent various publications; believes that the Academy's intention has been to send JH complete series; states which issues JH has not received.