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De Morgan, Augustus in correspondent 
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Herschel7009

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[16 March 1850]
Source of text:
RS:HS 23.85
Summary:

About JH's poor health; some problems in perspective. Having read a book on Egyptology, JH wanders off in flights of fanciful numerology.

Contributor:
John Herschel Project

Herschel7010

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[26 March 1850]
Source of text:
RS:HS 6.259
Summary:

Has never heard the polar axis approximation. JH's treatise on perspective must be very complete. John Taylor is his old publisher. Has got 64 more syllogisms symbolized.

Contributor:
John Herschel Project
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