From:
Sir John Herschel
To:
Henry James
Date:
[3 April 1857]
Source of text:
RS:HS 10.272 & 23.194
Summary:
Thanks for his letter and projection. Compares it with one of his own devising and encloses a chart of the isothermal lines of the Northern hemisphere. Has used a different system for his Cape Results.
Contributor:
John Herschel Project