Cannot meet CB in London this week. Has verified composition of [hyposulfurous] acid. Encloses crystal of 'sulpho=sulphite of lime.'
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Cannot meet CB in London this week. Has verified composition of [hyposulfurous] acid. Encloses crystal of 'sulpho=sulphite of lime.'
Fifth [1817] edition of Thomas Thomson's System of Chemistry shows previous discovery of JH's 'new acid,' but its reported composition is wrong.
Made apparatus for showing rings between 'two Tourmalines.' JH's process for making hyposulfurous acid. Praises W. H. Wollaston's analysis of CB's 'Tonquinate.'
Sent JH's paper on mother-of-pearl and paper on hyposulfurous acid to David Brewster. Tell Brewster of JH's discovery of optical structure in crystals of bicarbonate of potash. Would Brewster accept paper from JH enlarging the definition of crystals?
CB is 'incurable castle-builder.' Denies that JH falls easily into love. Eradicating 'one hastily conceived & silly passion' has deadened JH's heart. Any future love must follow a long acquaintance and friendship.
[Theophila] Gwatkin will accept Georgiana Babbage's invitation. Will set date after Gwatkin returns from Baylin. Asks CB to be trustee in JH's marriage settlement.
Received another notice from General Reversionary & Trust Society regarding H. J. Hollier. JH asks again to be replaced as trustee for Mary Anne Hollier trust.
Tells CB about a visit by JH and Wolryche Whitmore to the Duke [of ?] to present the case for more government funds for Charles Babbage's calculating machine.
Speculates on extinction of species by natural (not miraculous) causes intermediate to Creator. JH's theory of shifting crust over Earth's surface and its subsequent transfer of pressure. Seeks geological primum mobile for volcanoes based on continual deposition and melting of strata. 'All records of former worlds must ultimately perish.'
Asks CB to to look very carefully into financial affairs relating to JH's impending marriage [to Miss Gwatkin]. Begs CB not to tell JH she has written.
JH understands CB to be a candidate for a professorial chair, and JH writes a warm letter of support.
Tells CB of the mistake on the certificate for admission [to the R.S.L.?] for Mr. Moreau, which meant it had to be withdrawn. Doubts that reapplication would be successful. Other news from London.
Is arranging a meeting with CB.
Urges a visit to Collingwood by CB. Refers to the development of a cypher.
CB has 'decyphered' JH's puzzle. JH will not try to puzzle CB again.
Thanks CB for receipt of a meteorological work by CB's son [B. H. Babbage], now in Australia. JH says he grows stupider every day and is a 'prisoner in the bonds of bronchitic tyranny.'
Gives CB permission to publish the portions of letters requested by him. JH tells CB that he has responded to John Davy's letter in the PM.
Answer to CB's equation. Bring something to discuss at the forthcoming meeting of the Analytical Society.
Further comment on the calculus equation sent by CB.
Sends on part of letter for CB to complete and forward.