From:
Robert Main
To:
Sir John Herschel
Date:
[21 September 1868]
Source of text:
RS:HS 12.280
Summary:
Comments on double star observations and some papers on the subject.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Comments on double star observations and some papers on the subject.
About the location of several different sets of double star observations.