Search: Herschel, John in correspondent 
Howlett, Frederick in correspondent 
1860-1869::1864::01::26 in date 
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From:
Sir John Herschel
To:
Frederick Howlett
Date:
[26 January 1864]
Source of text:
RS:HS 24.26
Summary:

On the observation of sun spots.

Contributor:
John Herschel Project
Document type
Transcription available