Search: Herschel, John in author 
De Morgan, Augustus in correspondent 
1860-1869::1864::07 in date 
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Herschel7165

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[14 July 1864]
Source of text:
RS:HS 24.52
Summary:

Comments on the state of JH's health; about ciphers and about decimalization.

Contributor:
John Herschel Project

Herschel7167

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[18 July 1864]
Source of text:
RS:HS 24.53
Summary:

Comments on remedies suggested by AD [see AD's 1864-7-15]; on ciphers.

Contributor:
John Herschel Project
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