From:
Edward Sabine
To:
Sir John Herschel
Date:
12 July [1841]
Source of text:
RS:HS 15.309
Summary:
Wants JH to include [J. C.] Ross's instructions in his forthcoming report. Encloses tract on station errors. Discusses [Elias] Loomis's findings regarding errors in measurement.
Contributor:
John Herschel Project