From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[20 May 1857]
Source of text:
RS:HS 6.297
Summary:
Returns his cancel, which he found very amusing. Mrs. De Morgan is now at Hampstead suffering from an incurable complaint. Further comments on the beats of musical consonances and Robert Smith's theories.
Contributor:
John Herschel Project