From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 April 1861]
Source of text:
RGO 6.694.321 (drafts RS:HS 1.252 & 23.329)
Summary:
Asks GA many questions about his magnetical explanation [see GA's 1861-4-22].
Contributor:
John Herschel Project