From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
1851-5-6 or earlier
Source of text:
RS:HS 17.321
Summary:
Refers to process which produces pictures that are negative or positive depending upon the light. Hopes to use it to photograph lunar landscape. Wants to call it 'amphitype' if JH agrees.
Contributor:
John Herschel Project