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From:
Sir John Herschel
To:
George Biddell Airy
Date:
1858-5-12 or earlier
Source of text:
RGO 6.694.492
Summary:

Suggests GA alter some phraseology and tone in his response [see GA's 1858-5-4] to Edward Sabine's report on magnetic observatories.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[27 June 1862]
Source of text:
TxU:H/M-0640.2; Reel 1084
Summary:

Sends £10 to GA, exhausting grant from R.S.L. GA's estimate of 5600 nebulae was too high. Recommends asking R.S.L. for additional £50.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[15 May 1863]
Source of text:
TxU:H/M-0641.2; Reel 1084
Summary:

Explains how to detect errors in catalogued positions of stars. List of new nebulae in [G. F. J. A.] Auwers's catalogue.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[26 June 1858]
Source of text:
RGO 6.694.500
Summary:

Intends to set up a meeting with appropriate members of the B.A.A.S., in order to prepare presentation about magnetic observatories for the B.A.A.S. meetings in Leeds.

Contributor:
John Herschel Project
From:
William A. Baillie-Hamilton
To:
George Biddell Airy
Date:
[6 December 1845]
Source of text:
TxU:H/M-0996.1; Reel 1083
Summary:

Has requested of Admiralty £485 for equatorial telescope, from Merz in Munich, for Cape of Good Hope Observatory. Ask JH to estimate cost for 'next year's Estimates.'

Contributor:
John Herschel Project
From:
William A. Baillie-Hamilton
To:
George Biddell Airy
Date:
[19 December 1845]
Source of text:
TxU:H/M-0996.2; Reel 1083
Summary:

Admiralty has approved equatorial telescope for Cape of Good Hope Observatory. Advise JH to order it from Munich.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
n.d.
Source of text:
RGO 6.381.440
Summary:

About the health of Richarda Airy, JH, and William Parsons [Earl of Rosse].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[18 December 1858]
Source of text:
RGO 6.694.530
Summary:

Asks GA to help in determining cost of one observation station in Peking [see Richard Owen's 1858-12-18].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1 May 1845]
Source of text:
RGO 6.699.234
Summary:

Seems clear that JH's 'falling star' [see JH's 1845-4-29] was the same one reported by a correspondent of GA's as having been seen in Nottingham; in a postscript JH is not so sure.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 September 1843]
Source of text:
RGO 6.701.106
Summary:

Gives formula for defining the measure of the scale of an actinometer.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[12 May 1870]
Source of text:
RGO 695.462
Summary:

About a grant to support [H. J. R.] Petersen while he carries out the reduction of terrestrial magnetic observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[12 September 1867]
Source of text:
RGO 6.695.491
Summary:

Comments on GA's theory of the thermo-electric origin of terrestrial magnetism.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 May 1869]
Source of text:
RGO 6.695.494 (drafts RS:HS 1.314 & 24.256)
Summary:

Has read the syllabus of GA's lectures on magnetism; it reminds JH of his attempt to solve the problem of 'Mahomet's coffin', which JH still believes would work.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[27 February 1866]
Source of text:
RGO 6.381.444
Summary:

About William Whewell's accident, and the ideas of E. F. W. Klinkerfüss on the behavior of light due to the motion of a star source.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[21 July 1838]
Source of text:
RGO 6.676.46 (draft RS:HS 1.74 & 21.254)
Summary:

About JH's visit to Carl Friedrich Gauss, and Gauss's well-devised magnetic measuring instruments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[22 October 1846]
Source of text:
RGO 6.676.451
Summary:

There is a need for a meeting of the Committee of Physics [R.S.L.] to discuss the current method of making temperature corrections for magnetic observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 November 1846]
Source of text:
RGO 6.676.459
Summary:

A committee meeting is being called [see JH's 1846-10-22].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 February 1870]
Source of text:
RGO 6.258.500
Summary:

Responds that R. A. Proctor's theory [see GA's 1870-2-5] is possible, and explains why.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 May 1869]
Source of text:
RGO 6.257.356
Summary:

Is considering a new edition of Outlines Astr.[?] and wants to provide the latest determinations of the periods of rotation of the planets.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[14 August 1840]
Source of text:
RGO 6.693.96
Summary:

Provides information [see GA's 1840-8-13] based on equipping the Breslau Observatory; also comments on lawyers, meteor showers, and photography.

Contributor:
John Herschel Project