From:
Edward Sabine
To:
Sir John Herschel
Date:
[12 November 1839]
Source of text:
RS:HS 15.64
Summary:
Encloses Humphrey Lloyd's plans for [magnetic] observation. Requests a reply.
Contributor:
John Herschel Project
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Encloses Humphrey Lloyd's plans for [magnetic] observation. Requests a reply.