From:
Sir John Herschel
To:
George Biddell Airy
Date:
[5] April 1849
Source of text:
RGO 6.231.396
Summary:
Responds to GA's 1849-4-4, and sends the key.
Contributor:
John Herschel Project
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Responds to GA's 1849-4-4, and sends the key.