From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[17 September 1826]
Source of text:
Science Museum Talbt 1/3
Summary:
Thanks WT for bringing to JH Josef Fraunhofer's publications and Franz Gruithuisen's plates. Recounts JH's geologizing in France and JH's efforts to measure solar radiation.
Contributor:
John Herschel Project