From:
Nevil Story-Maskelyne
To:
Sir John Herschel
Date:
[16 February 1871]
Source of text:
RS:HS 13.24
Summary:
His colleague, [G. R.] Waterhouse, has passed an inquiry from JH to NM regarding a mineralogical character. It is a specimen of Obsidian, very high in iron content.
Contributor:
John Herschel Project