Search: Herschel, John in addressee 
1860-1869 in date 
Airy, George Biddell in correspondent 
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Showing 1–20 of 131 items

Herschel14690

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[12 May 1860]
Source of text:
TxU:H/M-0650; Reel 1084
Summary:

[Form Letter] GA's address, as Astronomer Royal, to Board of Visitors. Progress report on F. G. W. Struve's proposal for joint French-English-Belgian triangulation survey.

Contributor:
John Herschel Project

Herschel157

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[7 November 1862]
Source of text:
RGO 6.695.490
Summary:

About some major variations in terrestrial magnetism readings.

Contributor:
John Herschel Project

Herschel1603

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[6 May 1867]
Source of text:
Cambridge University Library 7656/A3339
Summary:

Response to a letter from JH to G. G. Stokes [1867-5-5] seen by GA, on the problem of the effect of the telescope on illumination from a light source, especially related to a solar eclipse.

Contributor:
John Herschel Project

Herschel17

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[1 March 1866]
Source of text:
RGO 6.381.446
Summary:

Comments on the state of William Whewell's health, and about the theories of E. F. W. Klinkerfüss [see JH's 1866-2-27].

Contributor:
John Herschel Project

Herschel1816

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[13 June 1860]
Source of text:
TxU:H/M-0639.1 (ACCS: RGO 6.83.136)
Summary:

Urges JH to attend the next meeting of the Board of Visitors of the Royal Observatory, especially as GA believes some of the members of the Board do not understand the scientific problem [?].

Contributor:
John Herschel Project

Herschel1817

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[20 October 1860]
Source of text:
TxU:H/M-0639.2
Summary:

Circular letter advising of the availability of back copies of various Royal Observatory printed observations.

Contributor:
John Herschel Project

Herschel1818

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 June 1862]
Source of text:
TxU:H/M-0640 (C: RGO 6.200.38)
Summary:

As GA is about to leave on holiday, he brings JH up to date on the state of the nebula calculations [see JH's 1862-5-28].

Contributor:
John Herschel Project

Herschel1819

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[14 May 1863]
Source of text:
TxU:H/M-0641 (C: RGO 6.200.85)
Summary:

Does JH need the original calculation sheets to deal with the errors in the nebula catalogue [see GA's 1863-2-23]?

Contributor:
John Herschel Project

Herschel1820

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[8 May 1867]
Source of text:
TxU:H/M-0642 (C: RGO 6.122.179)
Summary:

Returns JH's letter from G. G. Stokes about eclipse spectroscopy; GA has written to Stokes as well and encloses a copy of this letter.

Contributor:
John Herschel Project

Herschel1821

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 November 1867]
Source of text:
TxU:H/M-0643.1 (C: RGO 6.359.537)
Summary:

Provides JH with best definition that GA has available for the gallon [see JH's 1867-11-3], noting that methods for establishing standards are revised, even if the standards supposedly are not.

Contributor:
John Herschel Project

Herschel1822

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 November 1867]
Source of text:
TxU:H/M-0643.2 (C: RGO 6.359.542)
Summary:

Writes to acknowledge receipt of letter [see JH's 1864-11-25], but it will take time to work through JH's calculations carefully.

Contributor:
John Herschel Project

Herschel1823

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 December 1867]
Source of text:
TxU:H/M-0643.3 (C: RGO 6.359.545)
Summary:

Thanks JH for his useful letter [see JH's 1867-12-2]; it will be of value to the Commission on Weights and Measures.

Contributor:
John Herschel Project

Herschel1824

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[4 December 1867]
Source of text:
TxU:H/M-0643.4 (C: RGO 6.359.548)
Summary:

Thanks JH for his clear letter [see JH's 1867-12-3] about the pound weight standards.

Contributor:
John Herschel Project

Herschel1825

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 April 1868]
Source of text:
TxU:H/M-0644.1
Summary:

Proposes a principle for the establishment of musical scales to satisfy musicians, not mathematicians, as JH had apparently done.

Contributor:
John Herschel Project

Herschel1826

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[22 May 1868]
Source of text:
TxU:H/M-0644.2
Summary:

More on musical scales [see GA's 1868-4-3]; GA here proposes the use of hyperbolic logarithms to help establish the scales.

Contributor:
John Herschel Project

Herschel23

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 October 1860]
Source of text:
RGO 6.379.142
Summary:

Comments on Jupiter's appearance and on the eclipse photographs [see JH's 1860-8-23].

Contributor:
John Herschel Project

Herschel311

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[6 May 1867]
Source of text:
RGO 6.479.162
Summary:

Comments on the use of different telescopes and their effect on the albedo of the sun, related to solar eclipses [see JH's 1867-5-5].

Contributor:
John Herschel Project

Herschel364

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[14 February 1863]
Source of text:
RGO 6.476.127
Summary:

Will take into account JH's suggestions [see JH's 1863-2-13] and see where this leads.

Contributor:
John Herschel Project

Herschel365

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[27 March 1861]
Source of text:
RGO 6.476.390
Summary:

Reminds JH that the algebraic formulation of the theory of the achromatic telescope eyepiece was formulated by GA.

Contributor:
John Herschel Project

Herschel377

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[23 January 1864]
Source of text:
RGO 6.85.161
Summary:

Replies to JH about the date of the transit of Mercury [see JH's 1864-1-[26]].

Contributor:
John Herschel Project
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