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Herschel, John in author 
1870-1879::1870::04::24 in date 
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From:
Sir John Herschel
To:
Frederick Howlett
Date:
[24 April 1870]
Source of text:
RS:HS 24.306
Summary:

Writes to compare notes on sunspot observations.

Contributor:
John Herschel Project
Document type
Transcription available