From:
Edward Sabine
To:
Sir John Herschel
Date:
[30 January 1861]
Source of text:
RS:HS 15.255
Summary:
Like JH, Smyths have been suffering bronchial problems. Urges JH not to give up [see JH's 1861-1-29] plan of JH writing a review on terrestrial magnetisim.
Contributor:
John Herschel Project