Search: Herschel, John in correspondent 
1860-1869::1867 in date 
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Showing 81–100 of 243 items

Herschel8418

From:
Sir John Herschel
To:
Rudolf Wolf
Date:
[4 May 1867]
Source of text:
RS:HS 24.196
Summary:

Thanks RW for sending him a photograph of RW; sends photograph of JH in return.

Contributor:
John Herschel Project

Herschel10644

From:
Sir John Herschel
To:
Frederick Howlett
Date:
[5 May 1867]
Source of text:
RS:HS 24.198
Summary:

Proposes to travel to visit FH next day to observe the sun with him.

Contributor:
John Herschel Project

Herschel275

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[5 May 1867]
Source of text:
RGO 6.122.177
Summary:

Is assisting in communication between G. G. Stokes and GA, about stereoscopic observation of eclipses; JH is not mobile enough to attend the next Board of Visitors meeting.

Contributor:
John Herschel Project

Herschel13051

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[5 May 1867]
Source of text:
TxU:H/L-0463 verso; Reel 1055
Summary:

Describes problem with spectral lines in telescope while trying to understand William Huggins's results.

Contributor:
John Herschel Project

Herschel1441

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[5 May 1867]
Source of text:
Cambridge University Library 7656/H713 (draft RS:HS 17.66 & C: RS:HS 24.197)
Summary:

Comments on impossibility of increasing the intrinsic illumination of a source with a telescope; how to obtain the spectrum of red flames of the sun.

Contributor:
John Herschel Project

Herschel12233

From:
Charles C. Nelson
To:
Sir John Herschel
Date:
[6 May 1867]
Source of text:
RS:HS 13.90
Summary:

His brother [John H. Nelson] is at Brighton, and may be coming to London soon. Bodily health improves but mental health shows no improvement.

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

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

Herschel276

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[7 May 1867]
Source of text:
RGO 6.122.175
Summary:

A note with G. G. Stokes' letter, which JH forgot to enclose [see JH's 1867-5-5].

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

Herschel11959

From:
J. Melvill
To:
Sir John Herschel
Date:
[8 May 1867]
Source of text:
RS:HS 12.321
Summary:

Sends a pamphlet by a friend of his, Mr. Thornton, on the squaring of the circle; would like JH's opinion on this pamphlet.

Contributor:
John Herschel Project

Herschel12069

From:
Roderick Impey Murchison
To:
Sir John Herschel
Date:
[9 May 1867]
Source of text:
RS:HS 12.435
Summary:

Regrets he was out when JH's son called, but has sent him a card for Saturday. Pleased to hear that JH supports RM over his David Livingstone appeal. Suspects that Livingstone will turn up after a year.

Contributor:
John Herschel Project

Herschel1442

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[9 May 1867]
Source of text:
Cambridge University Library 7656/H714 (draft RS:HS 17.67 & C: RS:HS 24.199)
Summary:

Believes that expensive telescope wanted by William Huggins is unnecessary for the intended purposes [see GS's 1867-5-3]; JH offers a telescope of his own to R.S.L.

Contributor:
John Herschel Project

Herschel11960

From:
Sir John Herschel
To:
J. Melvill
Date:
[10 May 1867]
Source of text:
RS:HS 12.322 & 24.200
Summary:

Does not think Mr. Thornton's pamphlets solve the problem of squaring the circle as the circle is 3/4 of the circumscribed square. Comments further on these theories.

Contributor:
John Herschel Project

Herschel11961

From:
J. Melvill
To:
Sir John Herschel
Date:
[11 May 1867]
Source of text:
RS:HS 12.323
Summary:

Please accept his grateful thanks for his comments on Mr. Thornton's squaring of the circle. Will send these comments on to Thornton.

Contributor:
John Herschel Project

Herschel7203

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[12 May 1867]
Source of text:
RS:HS 6.393
Summary:

The theorem is one of the consequences of the Julius Plücker system. Comments on JH's proposed method.

Contributor:
John Herschel Project

Herschel1443

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
1867-5-12 or earlier
Source of text:
Cambridge University Library 7656/H733
Summary:

Agrees reluctantly to write obituary notice of William Whewell; wishes he had been asked earlier.

Contributor:
John Herschel Project

Herschel1444

From:
George Gabriel Stokes
To:
Sir John Herschel
Date:
[13 May 1867]
Source of text:
RS:HS 17.68
Summary:

Sends list of tutors at Trinity College contemporary with William Whewell; comments on telescope needed for eclipse viewing.

Contributor:
John Herschel Project

Herschel11114

From:
Arthur J. Joyce
To:
Sir John Herschel
Date:
[16 May 1867]
Source of text:
RS:HS 10.451
Summary:

Outlining a series of experiments based on JH's work on Light.

Contributor:
John Herschel Project

Herschel12234

From:
Charles C. Nelson
To:
Sir John Herschel
Date:
[16 May 1867]
Source of text:
RS:HS 13.91
Summary:

Read JH's letter to his brother and it did not seem to affect him one way or another. Mental health is no better.

Contributor:
John Herschel Project
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