From:
Edward Sabine
To:
Sir John Herschel
Date:
[2 February 1841]
Source of text:
RS:HS 15.139
Summary:
Encloses letter from G. B. Airy. Suggests new method of magnetic observation.
Contributor:
John Herschel Project
Encloses letter from G. B. Airy. Suggests new method of magnetic observation.