From:
Edward Sabine
To:
Sir John Herschel
Date:
[5 September 1859]
Source of text:
TxU:H/M-0526.9; Reel 1093
Summary:
Encloses ES's résumé of magnetic surveys accomplished by U.K., written to encourage similar surveys in China and North America. Perhaps JH may append this to JH's report.
Contributor:
John Herschel Project