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.'
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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?
Mr. Murray will bring to DB two papers by JH, one on hyposulfurous acid and one on mathematical analysis, plus requested abstract of JH's and William Herschel's 'last papers' in R.S.P.T.
Will sail tomorrow for Calais. Could not find Mr. Armstrong in Dover.
Arrival in France. Travel companions. JH and Charles Babbage will go to Institute tomorrow to visit J. B. Biot, S. D. Poisson, and other mathematicians.
JH arrived safely yesterday and attended event at home of Sir Joseph Banks. Dr. [Matthew] Baillie asked about Lady Mary Herschel. JH and Charles Babbage, preparing to tour France, leave tomorrow for Dover. Wishes better health for MH and William Herschel.
JH understands CB to be a candidate for a professorial chair, and JH writes a warm letter of support.
Requests arrangements for JH's visit before and for Cambridge commencement. Asks whether JW would like to renew correspondence with James Grahame, and congratulates on JW's theological book.
Would he please forward the letters and papers which he left behind.
Is anxious to hear how his wounds are progressing. Will not be able to come to town yet owing to various circumstances. New chemical experiments.
Regarding the disposal of the tourmaline. Address of his cousin. Drawing and description of the apparatus for experiments on tourmaline. Chemical experiments.
Answers CB's question on the equation. Hopes to see him in London shortly. Chemical experiments.
Wishing CB success in his efforts to obtain the position of professor at Edinburgh. Relates details of his recent experiments with bicarbonate of potash.
Sorry to hear of his failure at Edinburgh. Inviting him to Slough. Enquiring about the people CB met at Edinburgh.
Will not be in town until Tuesday afternoon. Has been speculating on a means of telegraphic communication between himself and CB.
Cannot accompany CB to Deptford because JH busy with James South. Mentions the 'Pearsonian dinner,' 'plagi[h]edral' crystals, and a letter by Wilhelm Olbers.
Answers to JB's queries on the refraction of light through crystals, and Newton's rings.
Note to accompany the sending of some papers; JH is off to Paris.
Some additions to an article submitted about hyposulfurous acid; comments on work by J. B. Biot on polarization and double refraction of crystals.
Sends a paper on mother of pearl; apologizes for confused state of paper on hyposulfurous acid.