Did not realize [John] Hennessey was considering constructing an achromatic telescope. Thanks ES for considering his son, Alexander, for the Melbourne post.
Showing 41–52 of 52 items
Did not realize [John] Hennessey was considering constructing an achromatic telescope. Thanks ES for considering his son, Alexander, for the Melbourne post.
Discusses papers concerning light on [William] Sharpey's list. Discusses, very critically, Henry Brougham's optical researches.
Advises on the construction of the Melbourne reflecting telescope. Thinks [W. P.] Wilson should come to watch construction.
Encloses proposed resolution to controversy over whether to build railway tunnel under park. Will be unable to attend meeting because of chronic bronchitis.
JH's catalog of nebulae, reduced to 1880 as originally planned, is nearly complete and consumed all of £20 granted by R.S.L. Seeks £16 more to expand catalog and reduce data to 1860, as recommended by G. B. Airy.
Had hoped to attend ES's soiree, but has influenza. Praises ES's report on Mr. McClintock's magnetic observations at Port Barrow.
Gives reasons for and discusses technicalities of supporting pendulum experiments at astronomical and geodesical stations in Indian trigonometrical survey.
Discusses negotiations between government and R.S.L. regarding Meteorological Departments of Board of Trade.
Maintains that a first class refractor is not needed at Masouri in India [see ES's 1866-9-4]. No special characteristics there justify the great expense of such a project.
No summary available.
No summary available.
Thanks ES for his "splendid eulogium" [in Presidential Address to Royal Society on award of Copley Medal]. CD would have liked him to have said "a little more" about Origin.
CD feels no doubt about natural selection. Has heard from Germany of "a string of excellent men" who accept it.