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Perigal, Henry in correspondent 
1830-1839::1839::05 in date 
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From:
Henry Perigal
To:
Sir John Herschel
Date:
[6 May 1839]
Source of text:
RS:HS 13.364
Summary:

A note accompanying some machine-made mathematical curves.

Contributor:
John Herschel Project
Document type
Transcription available