Suggests that JF use his instruments to compare the force of solar radiation at high and low elevations. Delineates possible methods for this experimentation, and lists results of similar experiments. Includes further information on the actinometer.
Suggests that JF use his instruments to compare the force of solar radiation at high and low elevations. Delineates possible methods for this experimentation, and lists results of similar experiments. Includes further information on the actinometer.
Will not publicly recommend JSF's brother, James Forbes, for Chair of Natural Philosophy (at Edinburgh), but praises him, his enthusiasm, and his brother's determination that he obtain the position.
Hopes for conveyance to Cambridge in covered vehicle for meeting of J. W. Lubbock's committee.
JH and Margaret Herschel visited the Isle of Wight.
Wilhelm Struve's observations support JH's findings concerning the rapid revolution of Eta Coronae. In acknowledgement of the discovery that double stars are a 'revolving binary system,' JH changed the inscription on William Herschel's monument.
On his German travels, JH left Margaret Herschel and the children at Slough because he feared their exposure to the cholera epidemic.
Thanks JT for loan of [John] Bullar's lectures. Stresses the value of good literature, especially by John Milton and Miguel de Cervantes.
Expresses shock at death of John Leslie. Declines with thanks offer to be considered for professorship of natural philosophy at University of Edinburgh.
Sends observations of Gamma Virginis, which differ from those of WS and James South. Observed transit of Mercury. Has abandoned plans of going to Cape of Good Hope this year. Plans to visit Caroline Herschel in Hanover.
Recent loss [death of his mother] has put the controversies temporarily aside. Gives further news of various matters which affect him. Feels angry at David Brewster's manner.
Regarding CB's failure in political matters. Sees cause for congratulation. Would he tell him where he can see the manufacture of springs.
Will attend CB's dinner on Wednesday. Can JH bring his brother-in-law? Will call at CB's house before the dinner.
Is pleased with Mr. Johnston's reply. Regarding a figure used by JH in his paper and its true significance. Is not certain yet whether to join the B.A.A.S.
Excusing JH for returning to Slough suddenly before leaving for Hanover.
Regarding DB's views on support for JH in the presidency of the R.S.L.
Is trying to clean up JH's nebulae observations preparatory to leaving for the Cape; comments on communications from F. G. W. Struve about double stars.
Is grateful for GA's encouragement to prepare JH's nebulae observations for publication before leaving for the Cape; it now seems clear to JH that he cannot leave before 1833; JH has had further communications from F. G. W. Struve about double stars [see JH's 1832-5-4].
Thanks for his remarks on his own work on double stars. Regarding award of the medals of the R.A.S. Method of printing [Stephen] Groombridge's catalogue.
Is to dine with Frederick Augustus (Duke of Sussex). Regarding pendulums and French theorists. Will be pleased to see his paper on proper motion when ready. Regarding new amateur astronomers.
Is grateful for the offer of assistance from Frederick Augustus (Duke of Sussex), but would not care to avail himself of public funds as his intended visit is for his own private reasons.