Poses mathematical problems for 'polar equations of conic sections.'
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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.
Poses mathematical problems for 'polar equations of conic sections.'
Queries and news about friends at Cambridge. How is analytical movement proceeding and translation of [S. F.] Lacroix's treatise being received? Is writing a new algebra.
Asks about Cambridge friends, and that JW check on various items JH left there. Sends news, especially on 'mineralogizing' with [I. H.?] Jephson and Charles Babbage. Comments on recent deaths of J. A. Deluc, and of Princess Charlotte.
Is overwhelmed with work in algebra, studying S. F. Lacroix's work, grinding and polishing mirrors for JH's father. Sends thanks to Whitfield family for songs. Comments on controversial Cambridge news. Sends news of friends.
Will be coming to town shortly and hopes to stay with CB if possible. They must get another volume of the transactions of the Analytical Society out.
Will go down to Cambridge to vote for William Clarke. Equation problem. Enquiry regarding paper on factorials by [Peter] Nic[h]olson. Regarding errors made by Clarke in his papers.
Is sending CB all his letters dealing with functional equations. Comments on E. F. Bromhead's paper. Taylor's theorem. Is getting on well with his essay on exponential functions.
Is returning E. F. Bromhead's paper. Matters are arising from this paper. Encloses one of his own dealing with the notation of functions. When should he set off to Cambridge to vote for William Clarke?
Will see him in London. Is getting on with his supplement. Has seen CB's latest paper in the R.S.P.T. Regarding Mr. Hirsch's theories on equations.
Has been trying his hand at functions; quotes some. Hopes to visit him at Torquay. Push on with the supplement.
Regarding his projected supplement. Calculus of deviations. Naming of periodical functions. [John?] Spence's manuscript.
Regarding W. G. Horner's paper. Printing of their book. Is preparing a paper to submit to the R.S.L. on a mathematical subject. Will be in town shortly and will visit his laboratory. Has received more sheets of [John?] Spence's essays.
Agrees to write several articles on mathematics, and one on astronomy based on William Herschel's work.
Sends one mathematical article on isoperimetrical problems and asks to write the article on variations as well.
Invites WW and [Thomas] Leybourn to join JH for dinner while Charles Babbage is visiting JH at Slough.
Discusses plans for an edition of the mathematical writings of the late William Spence, to be edited by JH.
Discusses editorial actions taken by JH in editing mathematical manuscripts of William Spence, including materials recently sent to JH by JG.
Is actively pursuing mathematical investigations. Plans to come to Cambridge soon for a short visit. Will follow this first letter by many more. Excavations by the Geological Society going on in JH's area.
Asks about WW's mathematical investigations. JH's book on algebra is progressing. Describes mathematical investigations by [Edward] Bromhead in calculus of factors. Misses Cambridge.
Is pursuing mathematical investigations with Charles Babbage. Asks WW to check whether George Peacock is progressing in printing the Supplement to Lacroix's volume.