From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 March 1819]
Source of text:
TxU:H/L-0051.4; Reel 1054
Summary:
Made apparatus for showing rings between 'two Tourmalines.' JH's process for making hyposulfurous acid. Praises W. H. Wollaston's analysis of CB's 'Tonquinate.'
Contributor:
John Herschel Project