From:
Robert Hunt
To:
Sir John Herschel
Date:
[2 December 1844]
Source of text:
RS:HS 10.116
Summary:
Received the enclosed silver plate on which is an impression made by the moon; has he any comments. Has been experimenting with solution of bichromate of potash and sulphate of copper exposed to actinic influence. Has been giving his attention to ferrotypes recently.
Contributor:
John Herschel Project