From:
Sir John Herschel
To:
Joseph Nicolas Nicollet
Date:
[19] April 1821
Source of text:
RS:HS 18.10g
Summary:
Thanks for JN's 'Comets Elemts' and book on libration of moon. Please send JN's and J. L. Pons's first observations of comet. Invites JN to become associate of Astronomical Society.
Contributor:
John Herschel Project