From:
Sir John Herschel
To:
Edward Daniel Clarke
Date:
[20 April 1816]
Source of text:
Sydney Ross Collection
Summary:
Thanks EC for his interest in a paper JH submitted to the Geological Society. JH has come to question some of his observations and to recognize that J. J. Berzelius anticipated JH's recognition of the acid nature of silica.
Contributor:
John Herschel Project