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Herschel, John in correspondent 
Gauss, Carl Friedrich in correspondent 
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From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[9 May 1820]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 20.95)
Summary:

Announces formation of the Astronomical Society. Will be pleased to propose [CG] as an associate.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[12 July 1820]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 20.98)
Summary:

Has received letter of 3 June 1820 reporting on the new circle at Göttingen Observatory. Will read it to the Astronomical Society and propose CG as associate. Sends some JH publications.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[11 February 1821]
Source of text:
NSUB Cod.Ms.Gauss 99 (draft: RS:HS 8.72 & C: 20.111)
Summary:

CG has been elected associate of the Astronomical Society. Hopes the benefits will be mutual. Details of the prize subject for the present year. Has read CG's communications on the Reichenbach circle to the Society, where it evoked great interest. Comments on this. CG's certificate has been signed by Fearon Fallows, newly appointed Cape astronomer.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[9 May 1821]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 20.117)
Summary:

Sends first annual report of the Astronomical Society and will be sending one of JH's papers ['On the Aberrations of Compound Lenses and Object-glasses,' RSPT (1821), 222-67], which JH summarizes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[31 May 1821]
Source of text:
RS:HS 18.10i & 19.6
Summary:

Sends first report of Astronomical Society council and James South's corrections for June to Dec. 1821.

Contributor:
John Herschel Project
From:
Carl Friedrich Gauss
To:
Sir John Herschel
Date:
[10 November 1821]
Source of text:
RS:HS 8.73
Summary:

Has been absent the whole summer and fears that his letter acknowledging his election to the Astronomical Society may have gone astray. Is grateful for the honor. Sends a paper of his own on a new method of making observations with the heliotrope. Comments on the usefulness of this instrument.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[3 August 1825]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 20.221)
Summary:

Note to accompany the sending of a number of papers; comments on the orbits of double stars.

Contributor:
John Herschel Project
From:
Carl Friedrich Gauss
To:
Sir John Herschel
Date:
[31 October 1828]
Source of text:
RS:HS 8.74 (C: RS:HS 21.30)
Summary:

Many thanks for his communications, especially for the one on light. This may be translated into German by J. E. E. Schmidt, and he would be grateful if JH would authorize this to be done.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[27 April 1829]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 21.46)
Summary:

Note regarding the translation into German of JH's Light, which JH notes has already appeared in French.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[19 June 1832]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 21.112)
Summary:

Unable to visit, but has sent two papers on the orbits of double stars. Discusses double stars, noting that four double stars are now known to orbit with periods less than a century long. Wilhelm Olbers is seriously ill.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[3 December 1838]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 21.271)
Summary:

Informs CG of the awarding to CG of the Copley medal for CG's magnetic researches; hopes that the British government will support such magnetic researches around globe.

Contributor:
John Herschel Project
From:
Carl Friedrich Gauss
To:
Sir John Herschel
Date:
[31 March 1839]
Source of text:
RS:HS 8.76
Summary:

Thanks for his letter informing him of his having been awarded the Copley medal. Was pleased to receive the observations of the magnetic declination and inclination of London. Projected expedition of Captain J. C. Ross pleases him. C. F. Gauss is now preparing the third volume of the Resultate. Would like JH's opinion on one of the papers in this volume. Gives his own views on the magnetic poles.

Contributor:
John Herschel Project
From:
Carl Friedrich Gauss
To:
Sir John Herschel
Date:
[7 May 1839]
Source of text:
RS:HS 8.77
Summary:

Sends two copies of his own General Theory of Terrestrial Magnetism, one for JH and one for the R.S.L.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[17 June 1839]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 22.17)
Summary:

Comments on CG's paper on the south magnetic pole, and on British efforts now underway to make magnetic observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[4 September 1842]
Source of text:
NSUB Cod.Ms.Gauss 99 (ACCS 2pp RS:HS 25.6.12)
Summary:

The instructions for making magnetic and meteorological observations are to be revised. JH asks CG's advice about this.

Contributor:
John Herschel Project
From:
Carl Friedrich Gauss
To:
Sir John Herschel
Date:
[24 October 1842]
Source of text:
RS:HS 8.78
Summary:

Pleased to hear that the magnetic observations are to be continued for a further three years. Mode of conducting observations in some foreign observatories would seem to need improvement. Has made a series of observations of magnetic inclination, which will be published in the sixth volume of Resultate.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[5 December 1844]
Source of text:
NSUB Cod.Ms.Gauss 99
Summary:

[Writing as an addendum to a letter on magnetic observatories circulated by Edward Sabine], JH states that various publication concerning magnetic observations will be sent to CG.

Contributor:
John Herschel Project
From:
Carl Friedrich Gauss
To:
Sir John Herschel
Date:
[14 March 1845]
Source of text:
RGO 6.694.353
Summary:

Response to questions on magnetic circular sent out by JH [see JH's 1844-12-5].

Contributor:
John Herschel Project
From:
Carl Friedrich Gauss
To:
Sir John Herschel
Date:
[14 March 1845]
Source of text:
B.A.A.S. Report 1845 (1846), 42-4 (German); trans. 44-5
Summary:

Has not seen enough magnetical and meteorological observations to judge their effectiveness. Encourages British government to continue these, but perhaps reduce frequency.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Carl Friedrich Gauss
Date:
[10 April 1845]
Source of text:
NSUB Cod.Ms.Gauss 99 (C: RS:HS 22.228)
Summary:

CG having now received the Greenwich and Toronto observations, JH invites CG to write further material for the forthcoming publication.

Contributor:
John Herschel Project