From:
James Samuelson
To:
Sir John Herschel
Date:
[5 March 1864]
Source of text:
RAS:JH Archive 13/1.10; Reel 10
Summary:
Alterations to proofs of JH's plate [on sunspots].
Contributor:
John Herschel Project
Alterations to proofs of JH's plate [on sunspots].
Regarding a musical phenomenon pointed out to him by F. A. Gore-Ouseley.