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1860-1869::1867::05::05 in date 
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From:
Sir John Herschel
To:
Frederick Howlett
Date:
[5 May 1867]
Source of text:
RS:HS 24.198
Summary:

Proposes to travel to visit FH next day to observe the sun with him.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[5 May 1867]
Source of text:
TxU:H/L-0463 verso; Reel 1055
Summary:

Describes problem with spectral lines in telescope while trying to understand William Huggins's results.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[5 May 1867]
Source of text:
Cambridge University Library 7656/H713 (draft RS:HS 17.66 & C: RS:HS 24.197)
Summary:

Comments on impossibility of increasing the intrinsic illumination of a source with a telescope; how to obtain the spectrum of red flames of the sun.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[5 May 1867]
Source of text:
RGO 6.122.177
Summary:

Is assisting in communication between G. G. Stokes and GA, about stereoscopic observation of eclipses; JH is not mobile enough to attend the next Board of Visitors meeting.

Contributor:
John Herschel Project