Search: Herschel, John in correspondent 
[Airy?, George Biddell] in correspondent 
No in transcription-available 
John Herschel Project in contributor 
1840-1849 in date 
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From:
Sir John Herschel
To:
[George Biddell Airy?]
Date:
[11 May 1841]
Source of text:
RS MM.11.155
Summary:

Outlines advantages of placing magnetometers for Hammerfest Observatory at Edward Sabine's disposal, so that he can instruct those going to Toronto and the Cape in their use.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[George Biddell Airy?]
Date:
[6 September 1842]
Source of text:
RS:HS 25.6.13
Summary:

Remarks on the significant increase in brightness of the star Eta Cygni, and comments on several other variable stars.

Contributor:
John Herschel Project