From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 June 1856]
Source of text:
RS:HS 1.231
Summary:
Has procured an actinometer and would like details of the scale.
Contributor:
John Herschel Project
Has procured an actinometer and would like details of the scale.
Comments on SPW’s book [Manual of Mollusca (1851–6)].
Mentions questions he has for SPW [see 1890].