Search: Herschel, John in author 
1840-1849::1848::02::01 in date 
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From:
Sir John Herschel
To:
George Biddell Airy
Date:
1848-2
Source of text:
RS:HS 23.12
Summary:

JH comments on quality of Georg Merz object glasses.

Contributor:
John Herschel Project
Document type
Transcription available