From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[18 April 1868]
Source of text:
RS:HS 24.215
Summary:
Comments on a number of mathematical matters, on a book on positivism, and increased sunspot activity.
Contributor:
John Herschel Project
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Comments on a number of mathematical matters, on a book on positivism, and increased sunspot activity.