From:
Sir John Herschel
To:
William Lassell
Date:
[28 April 1852]
Source of text:
RS:HS 23.121
Summary:
Is willing to assist in obtaining letters of introduction for WL's projected trip to Malta.
Contributor:
John Herschel Project
Showing 21–25 of 25 items
Is willing to assist in obtaining letters of introduction for WL's projected trip to Malta.
Is preparing a new edition of Outlines Astr., and would like to know from WL the status of each of the satellites of Uranus and Neptune.
Asks for details of WL's system of speculum polishing and telescope construction as JH is preparing an article on telescopes for the Encyclopaedia Britannica.
Comments on WL's information on telescope construction, and adds some of JH's own experience.
Discusses installation of a 4-ft. aperture equatorial telescope. Describes plans for a glass polishing machine in great detail.