Search: Herschel, John in correspondent 
1860-1869::1867::05 in date 
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Showing 1–20 of 36 items

Herschel10857

From:
H. Hotham
To:
Sir John Herschel
Date:
[1 May 1867]
Source of text:
RS:HS 10.208
Summary:

Is puzzled by two apparent contradictions in JH's recent book Familiar Lectures. Are they printer's errors? Was related by marriage with the late Sir John William Lubbock.

Contributor:
John Herschel Project

Herschel8358

From:
R. Calvin Clapham and Robert Spence Watson
To:
Sir John Herschel
Date:
1867-5
Source of text:
RS:HS 19.160a
Summary:

Invite JH to give lecture series at Literary and Philosophical Society next winter.

Contributor:
John Herschel Project

Herschel10858

From:
Sir John Herschel
To:
H. Hotham
Date:
[2 May 1867]
Source of text:
RS:HS 10.209 & 24.195
Summary:

Thank you for his letter. There are no misprints or conflicting statements in his Familiar Lectures. Explains the various points.

Contributor:
John Herschel Project

Herschel14344

From:
George Gabriel Stokes
To:
Sir John Herschel
Date:
[3 May 1867]
Source of text:
TxU:H/M-0505; Reel 1093
Summary:

Preparing for total eclipse of sun in 1868. Conferred with William Huggins about making spectroscopic analysis of red protuberances. Asks JH's opinion.

Contributor:
John Herschel Project

Herschel1440

From:
George Gabriel Stokes
To:
Sir John Herschel
Date:
[3 May 1867]
Source of text:
Cambridge University Library 7656/H712
Summary:

Asks JH's opinion on matter of purchase of expensive telescope for solar eclipse (1868) and other observations by William Huggins.

Contributor:
John Herschel Project

Herschel10643

From:
Frederick Howlett
To:
Sir John Herschel
Date:
[4 May 1867]
Source of text:
RS:HS 10.20
Summary:

Is uncertain if he has detected the lightlines on the solar surface to which JH has called attention, but there does seem to be something unusual there. No sun spots are visible just now.

Contributor:
John Herschel Project

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
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