Search: Herschel, John in author 
De Morgan, Augustus in correspondent 
1850-1859::1856::11 in date 
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From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[11 November 1856]
Source of text:
RS:HS 23.183
Summary:

Comments on the state of JH's health, color blindness, missing R.A.S. Notices, and decimal coinage.

Contributor:
John Herschel Project