From:
William Whewell
To:
Sir John Herschel
Date:
[3 April 1828]
Source of text:
RS:HS 18.173
Summary:
Encourages JH's efforts in writing a treatise on sound. Asks JH's advice on a system of mineralogical classification that WW, as Cambridge's new professor of mineralogy, had drawn up.
Contributor:
John Herschel Project