From:
Sir John Herschel
To:
Jean Baptiste Biot
Date:
[25 April 1820]
Source of text:
RS:HS 4.87 (C: RS:HS 20.93)
Summary:
Fears that a letter written to him in November may not have reached him. Will send him a copy of his paper of colors. A Philosophical Society has been formed at Cambridge.
Contributor:
John Herschel Project