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
Showing 1–2 of 2 items
Regarding L. J. M. Daguerre's photographic experiments.
Requests FA's assistance in efforts toward establishing magnetic observatories. Especially recommends an observatory at Algiers. Communication from the R.S.L. will arrive shortly. Comments on biography of William Herschel written by J. B. J. Fourier.