From:
Samuel Young
To:
Sir John Herschel
Date:
[1819 to 1826]
Source of text:
RS:HS 18.319
Summary:
Will show JH largest specimen of apophyllite [Argentine spar] in kingdom.
Contributor:
John Herschel Project
Showing 1–2 of 2 items
Will show JH largest specimen of apophyllite [Argentine spar] in kingdom.
Mineral apophyllite [Argentine spar]. Offers gems and minerals from India for JH's experiments. David Brewster's papers raise questions about polarized light. Describes microscope SY found.