From:
Edward Sabine
To:
Sir John Herschel
Date:
7 September [1843]
Source of text:
RS:HS 15.317
Summary:
Sends letter from [P. H. L. ] Boguslawski for JH's magnetic report. [John] Lefroy has found line of greatest intensity further south in Canada than ES expected.
Contributor:
John Herschel Project