From:
Sir John Herschel
To:
Edward Sabine
Date:
[23 January 1842]
Source of text:
TxU:H/L-0361; Reel 1054
Summary:
JH's reasons for requesting three-year extension of magnetic and meteorological survey from British government and H.E.I.C. Preliminary results from global stations.
Contributor:
John Herschel Project