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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.
Asks for JH's comments on YV's specific double star observations. YV presents the mathematical method he uses to calculate double star orbits, which he had presented to the Paris Académie in 1847, but it was not published.
Describes HJ's formal petition against Stuart Watley's bill for reform of marriage laws.
Thanks for JH's corrections to HJ's formal petition [against marriage reform bill].
Read part of JH's letter to the Institute and Yvon Villarceau also presented his own method. Will see the letter printed in the Comptes rendus.
Glad to hear that Margaret Louisa [JH's daughter] is coming to visit GA's family; could JH send along the key to the R.A.S. strong box?
Looks forward to the new edition of JH's Treatise Astr. Comments on the atmosphere and gases on the surface of the moon. What does JH think of these comments?
Some responses to the question of copyright and of revision of articles prepared for the Encyclopaedia Metropolitana.
Has just published a small work to remove popular superstitions. Presents a copy to JH as a mark of respect.
Has received the proof sheets of his contributions to the Admiralty Manual and would like to make a few alterations. Has heard no news of the Madras appointment.
A note about forwarding papers related to the double star question [see JH's 1849-4-9].
Returning papers of Yvon Villarceau and an abstract of them, together with comments on them.
Identifies the positive features of the aneroid barometer as in use by the Navy.
Is thinking of withdrawing his son from Christ's Hospital owing to his frequent epileptic fits. Should he inform the Prince Consort? Outlines his recent photographic work.
Since writing to JH he has taken medical advice and decided to leave his son at Christ's Hospital for the time being. Gave a lecture at the Royal Institution on Friday evening.