Search: Herschel, John in author 
1850-1859::1856::05::19 in date 
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From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[19 May 1856]
Source of text:
RS:HS 23.172
Summary:

Comments on the state of JH's health, and on things astronomical and mathematical.

Contributor:
John Herschel Project