From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[7 February 1839]
Source of text:
NSUB Cod.Ms.Gauss 110
Summary:
Sends HS's observations of magnetic declination and dip near London for forwarding to Carl F. Gauss. Encloses a letter from Edward Sabine.
Contributor:
John Herschel Project