Search: Herschel, John in author 
Herschel, John in correspondent 
1860-1869::1868 in date 
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Showing 21–40 of 73 items

Herschel13503

From:
Sir John Herschel
To:
Frederic J.] [Jackson
Date:
[5 March 1868]
Source of text:
TxU:H/L-0738; Reel 1089
Summary:

Difficulty understanding notation used in [FJ]'s pamphlet on musical scales. JH's comments on [FJ]'s formulas and conclusions.

Contributor:
John Herschel Project

Herschel14076

From:
Sir John Herschel
To:
Unidentified
Date:
[24 April 1868]
Source of text:
TxU:H/M-0296.2; Reel 1087
Summary:

Relation of British imperial units of weight to their 'geometrical synonyms.'

Contributor:
John Herschel Project

Herschel14117

From:
Sir John Herschel
To:
Unidentified
Date:
[25 April 1868]
Source of text:
TxU:H/M-0341.2; Reel 1087
Summary:

Relation of imperial measures of capacity to their 'geometrical synonyms.'

Contributor:
John Herschel Project

Herschel1452

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[8 November 1868]
Source of text:
Cambridge University Library 7656/H719
Summary:

Comments on JH's son's reports [see GS's 1868-11-6]; recalls idea of JH's father, William Herschel, about nature of solar light; transit of Mercury 'beautiful'.

Contributor:
John Herschel Project

Herschel1454

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[2 December 1868]
Source of text:
Cambridge University Library 7656/H720
Summary:

Further comments on solar light [see GS's 1868-12-1].

Contributor:
John Herschel Project

Herschel1456

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[12 December 1868]
Source of text:
Cambridge University Library 7656/H721
Summary:

Returns paper on musical scales; agrees with GS's comments on A. Prazmosky's paper [see GS's 1868-12-10].

Contributor:
John Herschel Project

Herschel1457

From:
Sir John Herschel
To:
George Gabriel Stokes
Date:
[25 December 1868]
Source of text:
Cambridge University Library 7656/H722
Summary:

Comments on a paper on the effects of lateral movement in diminishing the intensity of sound.

Contributor:
John Herschel Project

Herschel1515

From:
Sir John Herschel
To:
Sir Charles Lyell
Date:
[30 June 1868]
Source of text:
APS B.D25.L.19 (C: RS:HS 24.218)
Summary:

Sends a paper, which may help to clarify the effect of the Sahara Desert on certain European winds.

Contributor:
John Herschel Project

Herschel1516

From:
Sir John Herschel
To:
Sir Charles Lyell
Date:
[13 July 1868]
Source of text:
APS B.D25.L.20 (C: RS:HS 24.220)
Summary:

On the temperatures of water in the oceans, and the freezing temperature of sea water.

Contributor:
John Herschel Project

Herschel1604

From:
Sir John Herschel
To:
Edward Sabine
Date:
[1 October 1868]
Source of text:
Cambridge University Library 7656/RS678 (draft: RS:HS 15.288 & C: RS:HS 24.230
Summary:

Discusses Lord [Henry ] Brougham and his optical papers. Thanks ES for kind remarks regarding JH's son [John?]. Discusses polarization of corona.

Contributor:
John Herschel Project

Herschel1605

From:
Sir John Herschel
To:
Edward Sabine
Date:
[12 October 1868]
Source of text:
Cambridge University Library 7656/H718
Summary:

Reviews additional work of H. P. Brougham [see JH's 1868-10-1] as has been requested in preparation for an eloge . JH is critical of poorly described and poorly understood work, unrelentingly tied to Isaac Newton's corpuscular ideas.

Contributor:
John Herschel Project

Herschel2042

From:
Sir John Herschel
To:
Eliza Susan Quincy
Date:
[13 January 1868]
Source of text:
RS:HS 14.285 (C: RS:HS 24.5)
Summary:

Received memoirs of [Josiah] Quincy. Has not had time to peruse the work in its entirety. Thanks EQ for the book.

Contributor:
John Herschel Project

Herschel2436

From:
Sir John Herschel
To:
Edward Sabine
Date:
[11 October 1868]
Source of text:
RS:HS 15.290 (C: RS:HS 24.232)
Summary:

Discusses papers concerning light on [William] Sharpey's list. Discusses, very critically, Henry Brougham's optical researches.

Contributor:
John Herschel Project

Herschel2600

From:
Sir John Herschel
To:
William Selwyn
Date:
[21 February 1868]
Source of text:
RS:HS 24.212
Summary:

Discusses the sudden motion of some sunspots. Does not think planetary action is a very probable cause. Discusses upcoming conjunction of Venus and Jupiter.

Contributor:
John Herschel Project

Herschel2606

From:
Sir John Herschel
To:
William Selwyn
Date:
[1 August 1868]
Source of text:
RS:HS 24.222
Summary:

Thanks WS for 'Genevieve' translation. Will not continue the Dante because a Terza Rima translation has been done previously. The sun is behaving oddly.

Contributor:
John Herschel Project

Herschel2607

From:
Sir John Herschel
To:
William Selwyn
Date:
[26 September 1868]
Source of text:
RS:HS 24.228
Summary:

Describes the peculiar pairs of sunspots he has recently witnessed. Thinks the earth affected their appearance somehow. Is using the Julian calendar for dating observations.

Contributor:
John Herschel Project

Herschel2609

From:
Sir John Herschel
To:
William Selwyn
Date:
[23 October 1868]
Source of text:
RS:HS 24.234
Summary:

Some photographs support the sudden disappearance of the spot on 17 Sept. Some photographs are misdated. The relation of Jupiter and sunspots suggests previously unknown interconnections in the solar system.

Contributor:
John Herschel Project

Herschel2982

From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[22 June 1868]
Source of text:
Académie belgique: #49 (draft: #50)
Summary:

Flattered that AQ wants JH's remarks to preface AQ's new work. No need to send French translation of JH's work. Asks AQ to omit certain passages.

Contributor:
John Herschel Project

Herschel2984

From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[1 September 1868]
Source of text:
Académie belgique: #52
Summary:

Sends back excellent translation of his review with minor corrections. Mentions 'fine display of meteors with long trains' on 10 August. Gives news of his son Lieutenant John Herschel's observations. Acknowledges works received.

Contributor:
John Herschel Project

Herschel3186

From:
Sir John Herschel
To:
Patrick Shanahan
Date:
9?] December [1868
Source of text:
RS:HS 17.201
Summary:

To JH's knowledge, PS's Royal Mint position bore no absolute guarantee of permanence unless he had been paying a 'superannuation' fund.

Contributor:
John Herschel Project
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