From:
Sir John Herschel
To:
James David Forbes
Date:
[14 January 1857]
Source of text:
St. Andrews 55a (C: RS:HS 23.187)
Summary:
Thanks JF for his dissertation on the Progress of Mathematical and Physical Science. Discusses health of JF and JH. Suggests that some actinometric measurements are not as seriously flawed as at first thought [see JH's 1847-3-1].
Contributor:
John Herschel Project