From:
Hubert Airy
To:
Sir John Herschel
Date:
[18 November 1868]
Source of text:
RS:HS 19.310
Summary:
Received JH's permission to quote JH [in HA's thesis on hemianopsia] and describe JH's latest attack, including 'patches of coloured checquer work.'
Contributor:
John Herschel Project