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Henning, Alexander in correspondent 
1840-1849 in date 
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From:
Alexander Henning
To:
Sir John Herschel
Date:
[24 June 1843]
Source of text:
RS:HS 9.305
Summary:

A friend has inquired when Pisces became the sign of the Vernal Equinox; can JH help him? Regarding the comet they observed on their passage home.

Contributor:
John Herschel Project
Document type
Transcription available