From:
George Biddell Airy
To:
Sir John Herschel
Date:
[14 August 1841]
Source of text:
RS:HS 1.98 (C: RGO 6.368.636)
Summary:
Has received JH's 'Report' proof regarding JH's description of specific gravity. Captive balloons. Would JH refer him to D. F. J. Arago's experiments on the shadow of a disk.
Contributor:
John Herschel Project