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.
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.
Report to B.A.A.S. on progress and expenses in reduction of stars in N. L. Lacaille's Coelum australe stelliferum.
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.
The 20-ft. reflecting telescope used at Cape Town was delivered safely to Slough.
F. E. Wilmot arrives in Cape Town for direction of the Magnetic Observatory.
Sympathizes with GA in the family sorrow [deaths of GA's sons Arthur and George]; JH complains that house hunting, and other matters, are keeping him from important work.
Has had a letter from [John?] Phillips regarding star nomenclature revision. The display of meteors on the 10th was very fine.
Problem of resolution of R.S.L. Council not transmitted to SC.
As agent for Sarah Collingwood's property, JH requests receipts for 'tithe and modus' of Moorhouse property, to protect from overpayment to 'Mr. Morrel,' whose past collections were 'irregular.' [JH annotation: Not sent.]
Reports to the B.A.A.S. [through WW as section president] on experiments JH has conducted concerning the photochemical effects of the rays at the far red end of the spectrum.
WW, JH, and George Peacock must prepare a report for the B.A.A.S. on the magnetic expedition and observations; offers to draft it. Laments great loss of time in working on their committee. Is involved in buying a house in Hawkhurst.