Search: De Morgan, Augustus in addressee 
John Herschel Project in contributor 
1860-1869::1864::05 in date 
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From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[3 May 1864]
Source of text:
RS:HS 24.43
Summary:

Comments on some mathematical problems; asks if AD knows about a German geometer by the name of [Bernhard] Riemann; suggests some new names for trigonometry.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[4 May 1864]
Source of text:
RS:HS 24.44
Summary:

Comments on health of family, and on parliament considering a bill to change weights and measures.

Contributor:
John Herschel Project