From:
Sir John Herschel
To:
Sir William Huggins
Date:
[30 September 1870]
Source of text:
RS:HS 24.331
Summary:
JH is preparing a digest of all double star observations; also comments on sunspot activity.
Contributor:
John Herschel Project
JH is preparing a digest of all double star observations; also comments on sunspot activity.
No summary available.