Is glad to hear he will be visiting Torquay. Regarding mathematical functions.
Is glad to hear he will be visiting Torquay. Regarding mathematical functions.
Regarding the calculus of derivations.
Hopes to visit him in a few days. Regarding the calculus of derivations. Periodic functions. Is taking up mineralogy.
Regarding mathematical examples for their forthcoming book. Is taking up chemistry again. Comments on a paper dealing with functional equations by W. G. Horner.
Comments on his paper sent previously [see JH's 1818-3-10]. Time has been taken up with mineralogy. Is sending some samples.
Cannot help him with the Commercium epistolicum [by Pierre Fermat]. Leaving town for a few days. Regarding the kaleidoscope.
Wishes to leave town and spend a few weeks in Torquay. Would JH join him? Has new theorem on functions.
Gives some analytical equations for his comments.
Wants his support for his own application for a post on the Board of Longitude.
When he comes up to town would he please bring Biot's work. Wants to show JH a paper on series. Has just had a visit from Edward Sabine, newly returned from Greenland.
Astronomer Royal's post at Greenwich vacant; hopes JH will try for it. Has not been successful in getting on the Board of Longitude. Hopes to spend a fortnight in Paris after Christmas.
Urges JH to apply for the Greenwich post. Quotes extract from Thomas Thomson on chemistry. Gives equations for his comments. Has found a new method of producing household gas.
Regarding one of JH's papers in the Analytical. P.S. dated 19 Dec.: Is glad to hear he would like to go to Paris.
Will visit him at Christmas. Regarding the theorem quoted by JH [see JH's 1818-12-20].
Gives equation. Is arranging the visit to Paris.
Relates the details of his accident. Gives equations and theorems.
Has had some more tourmaline sent. Gives some more equations. Chemical experiments.
Has dispatched the tourmaline. His chemical experiments. Circulating functions solving chance problems. [Letter postmarked 1819-3-29.]
Has received papers from J. B. Biot. Has been to the Customs and Excise. Functional equations.
Has just returned from Lincolnshire. Will shortly be visiting Torquay. Would like to call on him if convenient. Has heard of a vacant professorship at Edinburgh University and may try for it. Gives an equation of W. H. Wollaston's.