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Galton, Francis in correspondent 
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Herschel, John in addressee 
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From:
Francis Galton
To:
Sir John Herschel
Date:
[21 June 1860]
Source of text:
RS:HS 9.88
Summary:

Intends going to Spain for the eclipse to make observations on solar radiation. Would like advice on the type of actinometer to use.

Contributor:
John Herschel Project
Document type
Transcription available