Search: Herschel, John in correspondent 
Arago, D. François J. in correspondent 
1830-1839::1839 in date 
Sorted by:

Showing 1–4 of 4 items

Herschel8520

From:
Sir John Herschel
To:
D. François J. Arago
Date:
[19 June 1839]
Source of text:
Académie des sciences (Paris)
Summary:

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.

Contributor:
John Herschel Project

Herschel4979

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

Herschel1883

From:
Sir John Herschel
To:
D. François J. Arago
Date:
[5 July 1839]
Source of text:
WT 67390.1
Summary:

Is sending FA information about magnetic proceedings.

Contributor:
John Herschel Project

Herschel1951

From:
Sir John Herschel
To:
D. François J. Arago
Date:
[30 October 1839]
Source of text:
DMC 695A.885.30 (Adraft: TxU:H/L-0037; Reel 1054)
Summary:

Did Académie des Sciences agree to R.S.L. request for magnetic observatory in Algiers? Stresses importance of multinational cooperation. Details of planned global survey of earth's magnetic field. Encloses list of observations needed from Paris.

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available