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Arago, D. François J. in addressee 
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From:
Sir John Herschel
To:
D. François J. Arago
Date:
[29 January 1822]
Source of text:
Columbia Univ. Library
Summary:

Informs FA of his election as an associate of the Astronomical Society. Includes message for Alexis Bouvard.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
D. François J. Arago
Date:
[30 January 1822]
Source of text:
RS:HS 1.351 & 20.132
Summary:

Informing him that he (FA) has been elected an Associate of the Astronomical Society of London. Postscript : Henry Kater hopes to hear from FA soon. Thanks him for tables of Jupiter, Saturn and Uranus.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
D. François J. Arago
Date:
[18 March 1822]
Source of text:
RS:HS 1.352 & 20.137
Summary:

Would like his help on observations of double stars. Comparison of data. Gives details of stars and distances of certain planets from the earth.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
D. François J. Arago
Date:
[14 February 1830]
Source of text:
RS:HS 1.353 & 21.57
Summary:

Thanking him for his letter and announcement that he has been made a foreign correspondent of the Royal Academy of Sciences of France. [Also contains part of a letter to J. B. J. Fourier which is copied out fully in RS:HS.21.58.]

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
D. François J. Arago
Date:
[11 August 1833]
Source of text:
Académie des sciences (Paris)
Summary:

[Extract from a letter of this date to James South:] Tells FA that FA's magnetic experiments have been successfully repeated in England by Peter Barlow, Samuel Christie, Charles Babbage, and JH. Gives details. Publication in process.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
D. François J. Arago
Date:
[19 August 1833]
Source of text:
Académie des sciences (Paris)
Summary:

Offers a paper ['Note sur la manière d'agir de l'acide nitrique sur le fer,' Annales de chimie, 54 (1833), 87-94] for publication in Annales de chimie. Informs FA how to correspond with JH while JH is at the Cape.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
D. François J. Arago
Date:
[1836]
Source of text:
Comptes Rendus, 3 (1836), 505 (inc)
Summary:

Discusses the 'Moon Hoax' and JH's observations of Halley's Comet.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
D. François J. Arago
Date:
[3 April 1837]
Source of text:
RS:HS 1.361 & 21.219
Summary:

Regarding the meteor seen in New York. Gives tables of meteors seen during a specified time. Comments on the phenomenon of meteors. Sun spots.

Contributor:
John Herschel Project
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
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
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
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
From:
Sir John Herschel
To:
D. François J. Arago
Date:
1848
Source of text:
RS:HS 1.366 (C: RS:HS 25.13.9)
Summary:

Glad to lerarn of the Academy's interest in his Cape Observations. Regarding his father. Comments on the 'Equalizations of stars.' [Written on an experimental leaf photographic plate.]

Contributor:
John Herschel Project