Lauds FF's being chosen as mathematics examiner; hopes will be able to observe defects in Cambridge's current program and asks FF to press program of Analytical Society.
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Lauds FF's being chosen as mathematics examiner; hopes will be able to observe defects in Cambridge's current program and asks FF to press program of Analytical Society.
Describes declining health but calm mind of JH's father. Visit with Charles Babbage cheered JH's depressed state. Wants to return to joy of speculation, but lacks energy. Writes and requests news about mutual friends.
Gives necessary information for printing end of JH's and Peacock's translation of [S. F.] Lacroix's text on the calculus. Requests news about Cambridge. Tells of JH's travels through England, and Charles Babbage's interests.
Does not have CB's manuscript on functions in his possession. Regarding the translations of S. F. Lacroix. Has done no work while at home.
Is sorry that CB's paper could not be printed in the recent issue of the R.S.P.T. Discusses problem in analysis. [Note dated [1816-]2-7]: has been waiting for Mr. Deighton's estimate of printing.
Has received parcel and letter. Has not had much time to give attention to the manuscript yet. On the R.S.L. and the printing of long papers. Hopes to have CB's translation of S. F. Lacroix soon. Regarding one of his equations.
Regrets he cannot assist CB over the position at East India College. William Herschel has less influence over Sir Joseph Banks than CB thinks. Regarding his paradoxes in functional equations.
Has had little leisure to write. Been working on S. F. Lacroix. Regarding the appendix to Lacroix. Is going to the Isle of Wight. Hopes to write a work on analytics. Has heard that CB is writing articles for the journal of the Royal Institution. Would like to write articles for an encyclopaedia.
Leaving Cambridge shortly, probably for good. Will be under his father's directions observing the stars. Has sent the appendix to S. F. Lacroix. Regarding JH's error in the printing of an equation. Gives an equation for CB to comment on.
Has received a copy of their book. Sending a copy of his own paper printed in the R.S.P.T. Has prepared the way for CB's book on examples. Has been examining [John?] Spence's manuscript.
Mentions some chemical experiments on which JH has worked; hopes EC will exhibit his experiments for R.S.L.
Describes chemical experiments carried out by JH on corundum. Attempts to interpret these experiments.
Praises EC for 'amazing experiments' published in [William T.] Brande's journal [Quarterly Journal of Science and Art]. Wishes EC's publication had appeared in R.S.P.T. Has an experiment to show EC.
Thanks EC for his interest in a paper JH submitted to the Geological Society. JH has come to question some of his observations and to recognize that J. J. Berzelius anticipated JH's recognition of the acid nature of silica.
Reports on some chemical results obtained by JH.
Sending EC a specimen that W. H. Wollaston describes as 'the most intractable substance by fire' he has ever seen. Discusses its properties and possible chemical composition.
Returns with thanks EC's specimen of Island Crystal. Also discusses specimen of titanium lent by EC.