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Stokes, George Gabriel in correspondent 
Herschel, John in author 
1870-1879::1870::09 in date 
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From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[20 September 1870]
Source of text:
Cambridge University Library 7656/H729
Summary:

In commenting on a paper on actinometric measurements varying with depth of atmosphere, JH questions the accuracy of the equipment used.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[27 September 1870]
Source of text:
Cambridge University Library 7656/H726
Summary:

Thanks for grant of £50 from B.A.A.S. for calculations related to request from Georg Erman [see JH's 1870-5-6].

Contributor:
John Herschel Project