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
Showing 1–1 of 1 item
Comments on remedies suggested by AD [see AD's 1864-7-15]; on ciphers.