Describes the visit of the Crown Prince and Princess [of Hanover?] on her 93rd birthday (16 March).
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Describes the visit of the Crown Prince and Princess [of Hanover?] on her 93rd birthday (16 March).
Has copied out JH's map showing the constellations as named by JH. Is moving to Richmond for a few weeks. Gives a message from H. C. Schumacher.
Sends along Frederik Kaiser's observations of Halley's Comet; [Robert] Everest is upset with JH because JH had signed a letter of support for a grant for T. B. Jervis.
Has just received the news that Hartnell's son has passed the exams at Trinity College, Cambridge.
Sending readings from his observations of the comet.
Comments on JH's positive calotype. Suggests comet may be return of (J.-D.) Cassini's comet of 1668. Gives theorem for finding parabolic orbit of comet if two observations are made in the ecliptic.
Sends a paper of his brother, Christopher Kemplay, on a theory respecting comets. Has already submitted it to James Challis, who objects to some points. Would be glad of JH's comments.
Invites JH to 10 May anniversary dinner of Literary Fund Society.
Asks JH about a comet JH had been observing. Notes the publication of J. S. Mill's System of Logic, describing it as closer to JH's than to WW's position.
Concerning the great comet of 1843, JH remarks that both Thomas Henderson and Johann Encke noted that the comet bounced off the sun's atmosphere.
There is to be another cliff-blasting. Gives details of travel arrangements.
Has received the two memoires on photographic processes and rays of the solar spectrum. Presumes JH has now received his own work on Physical researches. Comments on various electrical experiments.
Thanks TA for papers on heat of acid-base reactions.
Regarding the recent comet, believes it to be the one of 1668. Does not feel competent to comment on the proposal to change the names and boundaries of the constellations.
Offers JH information about, and maps of, Switzerland, as GA understands JH is going there.
Sends some specimens of photographs he has made by using bichromate of potash and an acid solution of nitrate of mercury. Gives details of a luminous phenomena he has seen in the S.W. and would like an explanation of it from JH.
Refers JH to page 18 of memoir of Manchester Literary and Philosophical Society, in which JJ, using 'the magnetic electrical machine,' succeeded in proving 'that heat may be generated by mechanical power without accompanying chemical change.'
Gives his proposal for the amendment of nomenclature for the northern constellations. F. W. A. Argelander's new celestial atlas. Regarding JH's southern map. The letter from the B.A.A.S. has been sent to Sir Robert Peel.
Introducing Professor Emile Plantamour, who is visiting England. Read JH's article on the rays of the solar spectrum with pleasure. Sends some articles by Plantamour from recent journals.
Met JH when he was residing in the Auvergnes. Since then he has had to leave France and now resides in England, where he is making a living teaching French and writing books. Would be grateful if he could add JH's name as a subscriber to a forthcoming work.