From:
Edward Sabine
To:
Sir John Herschel
Date:
[15 July 1860]
Source of text:
TxU:H/M-0527.2; Reel 1093
Summary:
A. D. Bache reports that U.S. will establish magnetic observatory in Washington Territory. ES is preparing instructions for North American survey. Suggests change to JH's proposed article on terrestrial magnetism in Edinburgh Review.
Contributor:
John Herschel Project