Recommends buying optics for 7.5-inch telescope from Metz and Mahlers in Munich and having those mounted in London.
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Recommends buying optics for 7.5-inch telescope from Metz and Mahlers in Munich and having those mounted in London.
Both JH and his wife, Margaret, are very concerned about the health of Madame Gerlach, the aunt of NS. Details are provided.
Urges doubling number of lunar observations.
Expresses GW's concern if the British Museum were to require him to pledge to do no remunerative work outside what they would pay GW to do. GW, however, is prepared to make that pledge, if necessary.
Construction of JH's new instrument for photographing spectral lines is still incomplete, and A. E. Becquerel has already announced discovery. JH will return £100 granted to JH by R.S.L.
Writing memoir of James Grahame. Asks JH to send list of all Grahame's publications, copies of his work, and any available reviews.
Edited the last volumes of the Encyclopaedia Metropolitana. Needs JH to summarize main points of his treatises on light and sound for the general preface.
Saw article in the [London] Times about Lord Rosse's telescope. Has received a letter from [James] South. Asks for information from JH for private use. [Francesco] del Vico has observed triple stars, but HS thinks the telescope by [R. A.] Cauchoix is flawed.
Relinquishes R.S.L. Donation Fund for spectrometer [see JH's 1842-6-1], because [A. C.] Becquerel's research makes it obsolete.
Would support improvements, both in number and quality, of lunar observations at the Royal Observatory; current practices produce unacceptably large predictive errors.
Encloses copy of a paper for JH's comments. Regarding reviews of GA's paper on 'Tides.'
Has received Howard Elphinstone's observations. Has had an interview with Edward Sabine who has arranged for observations to be forwarded to WB. Would like JH's views on publication of some of these observations.
Has to come to town for a Trustee meeting of the British Museum and wonders whether it would be convenient for him to visit Tavistock Place to consult him on various matters.
It will be quite convenient for JH to visit him on Friday. Sister's health is improved. Delay in the celestial maps ordered.
Thought JH had given up interest in Meteorological Observations until he saw his report in the B.A.A.S. meeting. Would like his comments on Meteorological Observations to be made at Nice to where he is now going. Is taking the big object-glass and eye pieces.
Names committee, including JH, to superintend 'translation & publication of scientific memoirs.' [Printed note regarding] grants of money.
Asks JH to prevail on Lord Ashley [A. A. Cooper] to revise money laws in House of Commons for benefit of working classes. Encloses tracts [issued by Society for the Emancipation of Industry].
Sends Howard Elphinstone's barometer observations [at Ore, near Hastings].
Was pleased to have had the opportunity of learning more of England and its people. EM visited JH's aunt Caroline in Hanover, and reports the death of Mrs. [Sophia] Beckedorff at age 87. Sends greetings to Madame Gerlach.
History of husband's [W. H. Smyth] exchange of 1836 letters with T. R. Robinson regarding Gamma Virginis and JH's confirmation of W. H. Smyth's discovery. Sends copy of Augustus De Morgan's letter on renaming constellations.