From:
Sir John Herschel
To:
Friedrich Wilhelm Bessel
Date:
[20 November 1821]
Source of text:
AdWDDR Bessel 225 (C: RS:HS 20.128)
Summary:
Responds to FB's much delayed answer to JH's 1820-5-9; comments on some observational matters.
Contributor:
John Herschel Project