From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 December 1840]
Source of text:
RS:HS 15.115
Summary:
Requests recommendations on the instructions proposed by ES for the magnetic expedition to Africa. Encloses meteorological observations by [Edward] Belcher, and other data related to magnetism in North America.
Contributor:
John Herschel Project