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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.
Is pursuing mathematical investigations with Charles Babbage. Asks WW to check whether George Peacock is progressing in printing the Supplement to Lacroix's volume.
Characters of Cochin inscription are common Arabic. GR, however, could not decipher them. Discusses various characters and includes a sample of some of them.
Has been trying his hand at functions; quotes some. Hopes to visit him at Torquay. Push on with the supplement.
Is grateful for JH's assistance regarding the Persepolitan writing. G. C. Renouard's communication appears to be conclusive. Hopes he can convey the information to the Royal Society of Göttingen. Would like a copy of the whole inscription if this is not imposing too much.
Is glad to hear he will be visiting Torquay. Regarding mathematical functions.
Regrets delay in answering letter, but is setting to work and hopes to send part of his manuscript on curves in a few days. Has spoken to Smith (the printer). [Richard?] Harraden is immovable.
Family news, and the sad state of current poetry.
Sends one mathematical article on isoperimetrical problems and asks to write the article on variations as well.
Regarding the calculus of derivations.
Discusses plans for an edition of the mathematical writings of the late William Spence, to be edited by JH.
Has passed JH's communication to Mrs. [William] Spence, who desires that publication may proceed as quickly as possible. Would he decide on a publisher. Will write biographical details himself. Would JH give him details of title page and contents.
Has received JH's letter to which he will reply fully later. Sends some more manuscripts he has received from Mrs. [William] Spence. Also encloses a copy of the unfinished essay of which only 80 copies have been printed.
Regarding his projected supplement. Calculus of deviations. Naming of periodical functions. [John?] Spence's manuscript.
Poses mathematical problems for 'polar equations of conic sections.'
On horse back riding, the law, and the birth of a daughter.
Discusses editorial actions taken by JH in editing mathematical manuscripts of William Spence, including materials recently sent to JH by JG.
Hopes to visit him in a few days. Regarding the calculus of derivations. Periodic functions. Is taking up mineralogy.
Invites WW and [Thomas] Leybourn to join JH for dinner while Charles Babbage is visiting JH at Slough.
Has sent JH's continuation of William Spence's 'Outlines' to press without any alteration. Gives the scheme adopted for the makeup of the volume. Hopes JH agrees; if not write at once as he is leaving London for some time.
Accepts invitation to visit Slough and meet Charles Babbage. [Thomas] Leybourn may accompany WW. Seeking area of conic sections.