From:
Sir John Herschel
To:
William Lassell
Date:
[11 February 1860]
Source of text:
RS:HS 23.297
Summary:
Comments on WL's 4-foot equatorial telescope of which WL sent JH a lithograph [see WL's 1860-2-8].
Contributor:
John Herschel Project
Showing 1–3 of 3 items
Comments on WL's 4-foot equatorial telescope of which WL sent JH a lithograph [see WL's 1860-2-8].
Claims if he had known certain informations concerning discovery of Neptune, he would have ranked J. C. Adams's claim equal with U. J. J. Leverrier's.
On the usefulness of Stephen's Writing Fluid to stop the sun's excess of light at large apertures in the telescope.