From:
Sir John Herschel
To:
Thomas Hodgkin
Date:
[1830-5-24 or later]
Source of text:
WT.Ho A.3
Summary:
Thanks TH for some crystals, including borax, as well as a paper by J. J. Lister. JH has been cutting the borax crystals preparatory to grinding and polishing them; JH has used these crystals to observe a phenomenon previously seen with a mass of niter.
Contributor:
John Herschel Project