Can expect a visit from Jacques Babinet. Regarding the planet Neptune and its discovery.
Can expect a visit from Jacques Babinet. Regarding the planet Neptune and its discovery.
Is pleased to hear of the discovery of further satellites of Neptune.
Pleased to receive JH's letter of 12 June. Has to visit Agulhas to view the erection of the lighthouse. Gives details of the history of this new lighthouse. Pity François Arago does not continue his experiments with gas. Governor is in the North of the Country visiting the emigrant Boers.
Delayed replying to JH's letter until he had more leisure. Will be pleased to nominate JH's son for a cadetship at Addiscombe.
Explains how the money from the Admiralty came to be awarded as it was [see JH's 1848-9-24].
Questions about PR's proposals regarding gold currency. Proposal 6, if unlimited, means that government will always buy [Consale?] at 90.5 and sell at 91.5, regardless of commercial market price.
Discusses state of affairs in France. Hopes celestial objects in Southern Hemisphere will continue to be studied. Praises astronomical work done in U.S.
[Charles?] Brooke received £500 for his photographic apparatus. Thinks [Francis] Ronalds should receive similar compensation for his device. Discusses apparatus and award.
Wants more information about a Venus parallax expedition.
Forwards a letter about the Venus parallax expedition [see GA's 1848-9-21], and adds some comments.
Comments about the proposed Venus parallax expedition and their method of measurement [see JH's 1848-9-24].
Reports that William Lassell has written to say he has discovered the 8th satellite of Saturn.
Uneasy at no confirmation of arrival of sent Cape Results. Lists observatories to have received copies. Is preparing new edition of Treatise Astr., now titled Outlines Astr.
JH has revised his account of the moon's motions given in JH's Treatise Astr. in preparation for JH's Outlines Astr.
Sends comments on the pages of JH's account of the moon's motions [see JH's 1848-9-25].
Personally would like to have F. W. A. Argelander's work printed [see GA's 1848-9-13], but will need to get a wider opinion; also asks about sharing money available from the Admiralty [see GA's 1845-10-24].
Sends paper by F. W. A. Argelander, which G. B. Airy wishes to have published. Revising chapter on perturbations in his Treatise Astr. Will include theory of motions of the apsides and the variations of the eccentricities.
Asks JH for his opinion of F. W. A. Argelander's letter concerning the publication of his work by the R.A.S.
Concerning the eighth satellite. Observations on U. J. J. Leverrier's paper.
Queries regarding the perturbation sheets.