From:
Sir John Herschel
To:
F. W. A. Argelander
Date:
[30 January 1864]
Source of text:
RS:HS 24.28
Summary:
Mistaken about seeming duplicate [see JH's 1864-1-28].
Contributor:
John Herschel Project
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Mistaken about seeming duplicate [see JH's 1864-1-28].