From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[11 November 1848]
Source of text:
RS:HS 23.50
Summary:
Asks for reference to date of discovery of the moon's variation by Aboul Wefa.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Asks for reference to date of discovery of the moon's variation by Aboul Wefa.
Reports that JH will discuss the discovery of Neptune in his forthcoming Outlines Astr. Mentions Benjamin Peirce's calculations regarding Neptune.