From:
Robert Hunt
To:
Sir John Herschel
Date:
[16 May 1840]
Source of text:
RS:HS 10.86
Summary:
Returns the photographic drawings of W. H. Fox Talbot with many thanks. Fears for their permanence. Has produced similar pictures himself acting on bromide of silver with hydrocholoric acid. Has had trouble with his periscope lens.
Contributor:
John Herschel Project