Provides detailed observations made by JH on his ascent up Monte Rosa in the Alps.
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Provides detailed observations made by JH on his ascent up Monte Rosa in the Alps.
[Marked 'Private.'] Will meet with JH next month. Will assist B.A.A.S. in research on terrestrial magnetism, but is not convinced that global expedition is most effective way; perhaps current survey teams could perform as well. Compares relative costs.
[Marked 'Private.'] Encloses letter from Alexander von Humboldt containing suggestions to R.S.L. regarding J. C. Ross's expedition.
Suggestions by Alexander von Humboldt will be added to R.S.L. report regarding J. C. Ross's expedition. Send copy of Humboldt's letter so that it too may be included.
Expresses general interest in supporting research in terrestrial magnetism and possibly am expedition of discovery. Will be happy to discuss these matters further with JH.
Discusses the pros and cons of GE's proposal that [J. C.?] Schenck, a Swiss maker of optical instruments, set up a business in London. JH is not sure that JH ascended Mt. Rosa, but is certain of JH's barometric reading. Interested in GE's method of estimating air temperature.
Sends JH's observations and measurements made during JH's Sept. 1821 ascent of a peak near Mt. Rosa. Also sends JH's observations of Mt. Etna made in June 1824.
Conveys to GE nine resolutions passed at the B.A.A.S. meeting supporting a southern hemisphere expedition of discovery, especially concerned with magnetism, and also the establishment of a series of magnetic observatories.
Is prepared to see GE anytime about resolutions [see JH's 1838-10-20]. Outlines the requirements of the Cape Observatory for more efficient service. Eloquently pleads the case for government support of research in the physical sciences.
Has had a letter from [J. C.?] Schenk of which he encloses a copy as it was possibly intended for JH. Will be pleased to hear about his expedition to Monta Rosa. Has found new method of estimating the mean temperature of the air. Was too late to see Vesuvius in eruption. Let him know if he wishes to say anything to Schenk.
Would like very much to see JH as soon as possible. Has an instrument of [J. C.?] Schenk to show him. There is one on the way to him now from Paris.
Cannot leave the instrument with Edward Troughton later than Saturday. Perhaps Troughton had better leave the instrument in the box until GE calls.
[J. C.?] Schenk has reason to be grateful to JH for all his assistance. Schenck's friends can now judge whether it will be expedient to bring Schenk to London to set up in business. Awaits anxiously the verdict of Edward Troughton.
Is grateful for the copies of his notes on his observations. Has compared them with his own and found them remarkably similar. JH should see Mr. Hildyard of Eton if he wishes to compare notes on their expeditions. Regarding JH's measurement of Etna.
Has not returned to town yet, but will be happy to discuss the proposals in JH's last letter. Attaches more importance to JH's words than any resolutions of the B.A.A.S.
Has returned Alexander von Humboldt's letter to Edward Sabine for alterations before it is printed.