Excusing JH for returning to Slough suddenly before leaving for Hanover.
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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.
Excusing JH for returning to Slough suddenly before leaving for Hanover.
Recounts JH's travels to date, together with stories about some of the people he has met; also comments on cholera in various cities [letter completed 1832-6-13].
On his German travels, JH left Margaret Herschel and the children at Slough because he feared their exposure to the cholera epidemic.
Unable to visit, but has sent two papers on the orbits of double stars. Discusses double stars, noting that four double stars are now known to orbit with periods less than a century long. Wilhelm Olbers is seriously ill.
Reports of further travels, and JH's visit to his aunt Caroline Herschel; interesting stories about his stay in Hanover, including a report on JH's attendance at the Waterloo banquet.
Warns MH about delays in crossing the North Sea, due to storms; will search out the earliest alternative that will carry JH with some comfort.
Requests that AQ forward letter to London explaining JH's delay in returning home. Promises to send latest paper on orbits of double stars. Mentions [Wilhelm] Struve's confirmation of data. States that [Wilhelm] Olbers is dying. [H. C.] Schumacher is recovering.
Recalls with delight experiments in solar radiation at MG home and puts MG in communication with James Forbes of Edinburgh.
More about JH's difficulties in reaching England [see JH's 1832-6-26] because of storms at sea; will now try to clear Customs House and come to MH this day.