Search: Herschel, John in correspondent 
Stokes, George Gabriel in correspondent 
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:
George Gabriel Stokes
To:
Sir John Herschel
Date:
[22 September 1870]
Source of text:
TxU:H/M-0508; Reel 1093
Summary:

B.A.A.S. in Liverpool approved £50 grant to G. A. Erman, to be administered by Erman and JH, for computation of Gaussian constant for 1839.

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
From:
George Gabriel Stokes
To:
Sir John Herschel
Date:
[28 September 1870]
Source of text:
RS:HS 17.78
Summary:

Comments on JH's concerns about actinometric measurements [see JH's 1870-9-20]; recommends the study of periodicity of waves on Atlantic Coast.

Contributor:
John Herschel Project