In response to a request, JH provides such details as he can about atmospheric and ground temperatures at the Cape; JH goes on to describe how his flowers brought from the Cape are doing.
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In response to a request, JH provides such details as he can about atmospheric and ground temperatures at the Cape; JH goes on to describe how his flowers brought from the Cape are doing.
Wishes to have mentioned to the Physical Section of the B.A.A.S. that JH has discovered that the extreme red rays [infra-red?] of the sun do not darken photographic paper, but tend to whiten it.
Is working on horticultural considerations of Cape plants and would welcome information on the temperature just below the surface of the soil in relation to the temperature of the air.
Has just had a letter from C. F. Gauss regarding the hours for observations; comments on this.
Finds that he misunderstood Edward Sabine's statement and may have misled JH. Comments on the observations desired from the Antarctic Expedition.
Asks JL to take on the preparations for the magnetic observations, including the instructing of ships' personnel.
About times at which magnetic observations should be made at each observation station.
Encloses letters concerning [William] Reid's Laws of Storms. Discusses problems obtaining money for Meteorology Society from government. Reports mural circle working well. Receives another meteorite specimen.
J. M. Craig requests TM to send meteorite to British Museum. TM asks JH to transfer the specimen sent earlier to the Museum.
Requesting letters of introduction for Lieut. F. M. Eardley Wilmot, who is to undertake magnetic observations at the Cape.
More mathematical curves made by machine [see HP's 1839-5-6].
Reports on sending and receiving barometric and magnetic observations. GP's 20 year old daughter is still not married [see GP's 1838-1-6], but GP believes her chances are improving.
Returns reports on Cape Observatory and reform of star nomenclature. FB was not included in committee to report reduction of stars in N. L. Lacaille's Coelum australe stelliferum, but sends FB's own report on it, which JH may send in.
Report to B.A.A.S. on progress and expenses in reduction of stars in N. L. Lacaille's Coelum australe stelliferum.
Will visit C. R. Fox at Ordnance to speed up official letter to Treasury requesting additional officer on magnetic expeditions. Will inform JH when letter reaches [S. H.] Christie [at Royal Military Academy, Woolwich].
J. T. Boileau and L. E. O. Ludlow were appointed by H.E.I.C. to direct Indian observatories. R.S.L. is concerned that it has no choice in selecting directors. Instruments for H.E.I.C. observatories. Should JL request additional staff for all 16 observatories, or only for nine permanent ones?
Asks about letter that Lord Northampton requested Lord Palmerston to give to Mr. Stewart, who leaves for Egypt soon.
Is forwarding a note about an instrument of [Louis] Daguerre's.
Agrees with FB and others about the need for adequately trained men to be sent out to remeasure N. L. Lacaille's arc.
On behalf of the Council of the R.S.L., JH writes to LD to request a camera and a hundred plates of Daguerre's about to be announced process, so that the R. S. L. may equip the James Ross expedition to the Antarctic with the means of making a photographic record of the voyage.