Search: Selwyn, William in addressee 
Herschel, John in author 
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1870-1879::1870::08 in date 
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From:
Sir John Herschel
To:
William Selwyn
Date:
[31 August 1870]
Source of text:
RS:HS 24.329
Summary:

Discusses the movement of the 'great group' of sunspots over the last six months. Asks WS to sign a certificate for his son [John].

Contributor:
John Herschel Project