Compares magnitudes for some specific stars and then comments more generally on that question; JH believes he will no longer be able to observe in winter in England as he is too severely afflicted by rheumatism.
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Compares magnitudes for some specific stars and then comments more generally on that question; JH believes he will no longer be able to observe in winter in England as he is too severely afflicted by rheumatism.
Too ill to attend a demonstration by CW of one of CW's instruments [?].
Has heard from G. B. Airy that T. F. Colby has written to Ireland for the compensation bars. An additional assistant has been designated but no appointment made yet. Received a letter from their good friend but does not feel justified in bringing it to the notice of a minister. Admiralty has borrowed Fuller's theodolite (from R.A.S.) and the mural circle should soon arrive. Gives Michael Faraday's analysis of the meteorolite.
Grieved that J. C. Stewart desires schoolmaster position at Cape of Good Hope. Attests to Stewart's many business talents, and asks HP to find 'more prominent station' for Stewart.
Willing to write to [secretary of state for War and the Colonies, Charles Grant] Lord Glenelg on behalf of JS's application. JH searching for new residence.
Sends letter of recommendation for JS and returns draft of JS's letter to [Charles Grant] Lord Glenelg, with recommended changes. Promise from Glenelg's father to JS's father [A. Stewart] is grounds for JS's application.
Submits payment to J. D. Roberton for 'Association' bills. Glad that ES approves of JH's draft article on terrestrial magnetism for Quarterly Review. Fears R.S.L. was premature in proposing experimental institutions; public was not prepared for such large expenditures for science. Prefers ES's suggestion of temporary magnetical and meteorological observatory. Strong disagreement from [C. J.] Riddell in America.
Will send two photometers and three-year supply of paper to [?]. One goes to J. C. Ross and one to F. Eardley Wilmot at Cape of Good Hope. Instructions for using photometers. Hopes [?] Robinson forwarded actinometers to Woolwich as JH directed. These should be checked at St. Helena. Instruction for using actinometers. Sent report to Humphrey Lloyd at B.A.A.S. Returns [?]'s Daguerre newspaper containing 'impudent notice about M. Pambour and his great Wheels.'
Discusses Harvard University offer to make magnetic measurements. Requests ES to read Admiralty extracts. Asks questions regarding JH's upcoming review [in Quarterly Review] of several works on terrestrial magnetism.
Advice on obtaining magnetical and meteorological apparatus for Van Diemen's Land observatory. Need to clear up finances.
Invites WW to Slough before JH travels to Midhurst [to consider property for sale].
Regarding Thomas Maclear's Cape Meridian.
Is honored by being nominated as president but would prefer someone else as he is very busy and can ill spare the time.
Observations of [Kensa?] received. The George Everest-Thomas Jervis affair.
JH's experiments to find compounds suitable for photography. Accidental discovery of effect of 'nitrate of Silver.' Note of 22 Jan. from Francis Beaufort alerted JH to L. J. M. Daguerre's secret processes and W. H. F. Talbot's experiments.
Fourth observatory, at Van Diemen's Land [Tasmania], will be conducted by J. H. Kay, to be landed from one of vessels [Terror and Erebus] bound for Antarctica. This vessel will also carry observers and instruments for stations at St. Helena and Cape.
Sends JL various roots from the Cape, including Satyriums and Disa. Describes each type in detail.
[Responding to WT's 1839-1-25], JH reports that he cannot come to London to see WT's 'curious process of fixing the image formed by a Camera obscura.' Invites WT to come to Slough.
[Responding to WT's 1839-1-29], urges WT to find some way of giving at least slightly different papers to R.S.L. and Athenaeum. Comments on process of fixing image, referring to a trial of his own.