From:
John Wrottesley
To:
Sir John Herschel
Date:
[7 November 1860]
Source of text:
RS:HS 18.303
Summary:
Gives probability formula used to determine weights of stars 3 & 35 [see JH's 1860-11-2]. Explains calculation procedures previous to 1856 and those used since 1857.
Contributor:
John Herschel Project