From:
Sir John Herschel
To:
D. François J. Arago
Date:
[25 June 1839]
Source of text:
RS:HS 1.362 & 22.18
Summary:
Regarding L. J. M. Daguerre's photographic experiments.
Contributor:
John Herschel Project
Regarding L. J. M. Daguerre's photographic experiments.