Search: Airy, George Biddell in correspondent 
Herschel, John in correspondent 
1860-1869 in date 
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Showing 161–180 of 227 items

Herschel310

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[8 December 1860]
Source of text:
RGO 6.475.235
Summary:

Has tried a number of different fractional projections, some more interesting than others [see GA's 1860-12-7].

Contributor:
John Herschel Project

Herschel352

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 January 1862]
Source of text:
RGO 6.392.381
Summary:

Has sent an R.S.L. membership application certificate for GA to sign and send on.

Contributor:
John Herschel Project

Herschel353

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1868]
Source of text:
RGO 6.16.5
Summary:

Suggests reducing the number of Greenwich astronomical observations printed, but not reducing the magnetic and meteorological observations.

Contributor:
John Herschel Project

Herschel354

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 May 1868]
Source of text:
RGO 6.16.31
Summary:

Not well enough to attend Visitation Day at the Royal Observatory; fears JH will not likely attend any future meetings and should perhaps withdraw from the Board of Visitors.

Contributor:
John Herschel Project

Herschel355

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[16 October 1865]
Source of text:
RGO 6.478.479 (drafts RS:HS 1.284 & 24.12)
Summary:

Is working on a problem in polarized light, and finds his result disagreeing with F. J. D. Arago's third law; leads JH to think light cannot be undulatory in nature.

Contributor:
John Herschel Project

Herschel356

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 October 1865]
Source of text:
RGO 6.478.487
Summary:

Comments on GA's explanations about polarized light, and discusses GA's idea of the nature of light [see GA's 1865-10-18].

Contributor:
John Herschel Project

Herschel357

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[31 October 1865]
Source of text:
RGO 6.478.493
Summary:

Realizes that GA is quite correct [see GA's 1865-10-30]; JH had neglected a basic principle about interference.

Contributor:
John Herschel Project

Herschel358

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 November 1865]
Source of text:
RGO 6.478.504 & 6.480.585
Summary:

Has noted that Josef Stefan of the Vienna Academy of Sciences holds views on light and its polarization similar to GA's [see GA's 1865-10-30]. Agrees with GA's correction of an essay on Julius Caesar's landing in Britain.

Contributor:
John Herschel Project

Herschel362

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[28 September 1861]
Source of text:
RGO 6.476.57
Summary:

Encourages GA to develop some experiments to study the electrical phenomenon [see GA's 1861-9-23] more carefully.

Contributor:
John Herschel Project

Herschel363

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[13 February 1863]
Source of text:
RGO 6.476.126
Summary:

Offers a few ideas to GA [see GA's 1863-2-9], but does not have a coherent explanation.

Contributor:
John Herschel Project

Herschel366

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1861]
Source of text:
RGO 6.476.391
Summary:

Recognizes the validity of GA's claim to the eyepiece theory [see GA's 1861-3-27]; JH did not have space to deal adequately with the subject of telescopes.

Contributor:
John Herschel Project

Herschel376

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[26] January 1864
Source of text:
RGO 6.85.158
Summary:

Raises with GA the likelihood of an error in a date of a transit of Mercury in a paper by F. A. Winnecke.

Contributor:
John Herschel Project

Herschel415

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 March 1860]
Source of text:
RGO 6.195.251
Summary:

Offers some possible explanation for what the unnamed observer saw [see GA's 1860-3-1].

Contributor:
John Herschel Project

Herschel424

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 January 1862]
Source of text:
RGO 6.200.2
Summary:

Is preparing a list of nebulae and their positions; does GA think anyone would print them?

Contributor:
John Herschel Project

Herschel425

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[28 January 1862]
Source of text:
RGO 6.200.5
Summary:

Suggests preparing an estimate of the cost of preparing and printing a nebula catalogue so JH can approach the R.S.L. [see GA's 1862-1-24].

Contributor:
John Herschel Project

Herschel426

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[30 March 1862]
Source of text:
RGO 6.200.11
Summary:

Ready to send nebula data to GA for reduction; question of dates need decisions [see GA's 1862-1-30].

Contributor:
John Herschel Project

Herschel427

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 April 1862]
Source of text:
RGO 6.200.10
Summary:

Is sending first part of observational data for nebula catalogue [see GA's 1862-3-31].

Contributor:
John Herschel Project

Herschel428

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 April 1862]
Source of text:
RGO 6.200.13
Summary:

Forgot, in earlier note [see JH's 1862-4-2], to indicate agreement with GA's suggestions [see GA's 1862-3-31].

Contributor:
John Herschel Project

Herschel432

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[13 April 1862]
Source of text:
RGO 6.200.18
Summary:

Responds carefully to the question of observational, and reduction, dates [see GA's 1862-4-12].

Contributor:
John Herschel Project

Herschel434

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[17 April 1862]
Source of text:
RGO 6.200.22
Summary:

Has now sent the last of the nebula observations to be reduced for printing [see GA's 1862-4-16].

Contributor:
John Herschel Project
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