Search: Herschel, John in correspondent 
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1840-1849::1847::10::01 in date 
Airy, George Biddell in addressee 
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From:
Sir John Herschel
To:
George Biddell Airy
Date:
1847-10-1 or earlier
Source of text:
RGO 6.368.682
Summary:

About observing stars with the transit circle, and timing the annulus [of an eclipse?].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
1847-10-1 or later
Source of text:
RGO 6.368.686
Summary:

Was too cloudy to observe the eclipse; very worried about the health of Thomas Maclear.

Contributor:
John Herschel Project
Document type
Transcription available