From:
Sir John Herschel
To:
the Athenaeum
Date:
[10 August 1842]
Source of text:
Athenaeum, #773 (Aug. 20, 1842), 748
Summary:
Seeks to clear up confusions about various photographic processes, e.g., the Chrysotype process, developed by JH, about which confusions arose from earlier reports on them in the Athenaeum.
Contributor:
John Herschel Project