Search: Herschel, John in author 
1840-1849 in date 
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Herschel1147

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[1844 or earlier]
Source of text:
RS:HS 25.14.3
Summary:

Thanks AD for having pointed out an error in one of JH's papers.

Contributor:
John Herschel Project

Herschel11473

From:
Sir John Herschel
To:
John William Lubbock
Date:
[4 December 1847]
Source of text:
RS:HS 11.386 & 22.336
Summary:

Has been considering a reply to JL's letter of the 25th. Outlines two courses to take and prefers the latter himself. Communicate with Richard Sheepshanks regarding the viva voce.

Contributor:
John Herschel Project

Herschel1148

From:
Sir John Herschel
To:
Francis Baily
Date:
[1840-12?]
Source of text:
RS:HS 25.14.5
Summary:

Has not had time to work on the constellations paper because of interference due to tithe surveys and land re-assessments, which JH fears may involve a lawsuit.

Contributor:
John Herschel Project

Herschel11492

From:
Sir John Herschel
To:
John William Lubbock
Date:
[1845-3]
Source of text:
RS:HS 11.405 (C: RS:HS 25.13.11)
Summary:

Has received the books. Began with Karl Holtzmann's and finds the reasoning at fault. Comments on this. [Marked 'not sent.']

Contributor:
John Herschel Project

Herschel115

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[5 December 1844]
Source of text:
RGO 6.675.374
Summary:

A copy of the question circular, signed by JH, sent to GA [see GA's 1844-12-17].

Contributor:
John Herschel Project

Herschel11511

From:
Sir John Herschel
To:
Sir Charles Lyell
Date:
[15 November 1844]
Source of text:
RS:HS 11.423 & 22.210
Summary:

Regarding L. F. Menabrea's papers, thinks he is a good mathematician. Is not so sure about Augusta A. King's (Lady L[ovelace]) notes.

Contributor:
John Herschel Project

Herschel1157

From:
Sir John Herschel
To:
Alexander von Humboldt
Date:
[1842-8-24 or later]
Source of text:
RS:HS 25.14.14
Summary:

Writes to send thanks by way of AH to the King of Prussia for the award of the Order of Merit. JH also comments on some astronomical matters.

Contributor:
John Herschel Project

Herschel11590

From:
Sir John Herschel
To:
John William Lubbock
Date:
[31 May 1840]
Source of text:
RS:HS 22.53
Summary:

R.S.L. business about an observatory at the North Cape in Sweden.

Contributor:
John Herschel Project

Herschel11591

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[14 August 1840]
Source of text:
RS:HS 22.64
Summary:

G. B. Airy needs HL to send him the information used to set up colonial magnetic observatories.

Contributor:
John Herschel Project

Herschel11592

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[1 November 1840]
Source of text:
RS:HS 22.69
Summary:

About the urgent need to prepare a report on the magnetic observations, and that HL is the most logical person to give direction to it.

Contributor:
John Herschel Project

Herschel11593

From:
Sir John Herschel
To:
John William Lubbock
Date:
[22 June 1841]
Source of text:
RS:HS 22.89
Summary:

Comments on a paper on the calotype by W. H. F. Talbot, adding some experiences of his own on the subject.

Contributor:
John Herschel Project

Herschel11594

From:
Sir John Herschel
To:
John William Lubbock
Date:
[20 July 1841]
Source of text:
RS:HS 22.93
Summary:

Comments on Louis Daguerre's work, and on the question of a North Cape observatory.

Contributor:
John Herschel Project

Herschel11595

From:
Sir John Herschel
To:
John William Lubbock
Date:
1841-12
Source of text:
RS:HS 22.106
Summary:

Comments on balloon ascent report, photographic paper made with vegetable colors, and the need to provide a polarizing crystal to J. B. Biot.

Contributor:
John Herschel Project

Herschel11596

From:
Sir John Herschel
To:
William Lassell
Date:
[20 March 1842]
Source of text:
RS:HS 22.114
Summary:

Comments on WL's finding a sixth star in the trapezium of Orion [see WL's 1842-3-10]; lists other catalogues that identify that star.

Contributor:
John Herschel Project

Herschel11597

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[2 September 1842]
Source of text:
RS:HS 22.134
Summary:

Urges some revision in both the report and instructions for the magnetic observations.

Contributor:
John Herschel Project

Herschel11598

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[1 November 1844]
Source of text:
RS:HS 22.209
Summary:

Asks HL for comments about the question of continuing the magnetic observations.

Contributor:
John Herschel Project

Herschel11599

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[5 February 1845]
Source of text:
RS:HS 22.222
Summary:

Question of procedure about considering the magnetic observations for publication.

Contributor:
John Herschel Project

Herschel116

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[3 April 1845]
Source of text:
RGO 6.675.389
Summary:

Wants to know if GA's opinions [see GA's 1845-4-1] are available for public information, or only for JH.

Contributor:
John Herschel Project

Herschel1160

From:
Sir John Herschel
To:
Robert Hunt
Date:
[1842-12-9 or later]
Source of text:
RS:HS 25.14.15
Summary:

Is anxious for some means to be developed to get a measurable quantity [preferably by weight] from the action of a beam of light on a surface. JH has been experimenting in photography with 'flouric' compounds.

Contributor:
John Herschel Project

Herschel11600

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
[30 May 1845]
Source of text:
RS:HS 22.236
Summary:

Is trying to organize a meeting of the Magnetic Committee before the meeting of the B.A.A.S. in Cambridge, to deal with reporting and committee membership.

Contributor:
John Herschel Project
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