From:
George C. Hodgkinson
To:
Sir John Herschel
Date:
[8 September 1864]
Source of text:
RS:HS 9.417
Summary:
Tried Kew and the Admiralty for actinometers but had to obtain one from Henry Barrow in the end, which was broken en route. Thinks these are too fragile for mountain climbing.
Contributor:
John Herschel Project