Thanks for his favorable comments on her book. Sends proof sheets as part of her forthcoming book on authors.
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Thanks for his favorable comments on her book. Sends proof sheets as part of her forthcoming book on authors.
Reading proofs of JH's Essays Q. E. R.; working on an article on meteorology.
Sending a little joke on a political theme. Further regarding a query of JH's on a rabbit. Gives a problem on a polygon. Meteorology is peculiar as weather does not appear to be governed by any laws.
Is glad he likes the idea of projecting more than a hemisphere. Compares his own projection and a stereoscopic projection and comments on the results. Is now having another projection made that should give an accurate map of America.
Thanks ES for his paper. Sun spot activity should increase in 1857. Discusses his own earlier ideas concerning relationship between sun spots and Aurora Borealis.
Thanks for his letter and projection. Compares it with one of his own devising and encloses a chart of the isothermal lines of the Northern hemisphere. Has used a different system for his Cape Results.
Urges that observations be made of sunspots. Notes that sunspots are much more evident now than in 1856. [Written by JH under the pseudonym 'Helioscopus']
Glad to know which of ES's papers JH has. Sends another along with maps from [Keith] Johnson's Physical Atlas. Discusses JH's ideas regarding relationship between solar spots and magnetic disturbances.
Mentions [P.] Plantamour's memoir on barometer and a criticism by Mr. Dilams[?]. Comprehending why variations of magnetic disturbances correspond in period with terrestrial year is difficult.
Is grateful for his valuable remarks on the various projections of the sphere. Thinks the projection devised by JH to be well suited for isothermal lines. Has constructed a chart of the polar regions for the same purpose. Will try JH's projection.
Discusses advantages of different magnetic charts. Grateful for [P.] Plantamour's observations. Satisfied with [J. R.] Wolf's period of 11.11 years for solar spots.
Questions from Lord Overstone [S. J. Loyd] about decimal coinage system.
Looking forward to a visit from WW. Glad to hear that WW is editing Richard Jones's unpublished works. Sad to hear that George Peacock is seriously ill. Comments negatively on a book by Herbert Spencer.
Reliability of barometer and thermometer measurements from balloons. Compares results of several European observers. Suggests new expedition to Teneriffe [Canary Islands].
No summary available.
Thanks JH for critiquing her paper during his illness. MS's On the Connexion of the Physical Sciences is to be published in translation at Cesna.
Has the blocks for the snow crystals. Can easily take some photographs if he desires them. Also has an article on crystals.
Is too ill to visit JH as he had intended.
Suggests ways of eliminating transmission of vibration to a piece of sensitive equipment.
FF having suggested some time ago the publication of a collection of JH's essay, JH now offers to send FF JH's Essays Q.E.R.