Search: Herschel, John in author 
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1840-1849::1840 in date 
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Herschel101

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[6 July 1840]
Source of text:
RGO 6.675.239
Summary:

Comments on a proposed request for a government grant to establish a magnetic and meteorological institute.

Contributor:
John Herschel Project

Herschel10535

From:
Sir John Herschel
To:
Thomas Hodgkin
Date:
[7 February 1840]
Source of text:
RS:HS 9.412 & 22.40
Summary:

Has written a letter to Lord John Russell outlining the case of Andries Stockenström. Does not wish to become involved in Cape politics or the affairs of the Anti-Slavery Society much as he appreciates their importance.

Contributor:
John Herschel Project

Herschel1067

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[3 March 1840]
Source of text:
RS:HS 25.6.2
Summary:

Tells WT about JH developing the thermographic paper which is susceptible to 'calorific' and 'chemical' rays of light.

Contributor:
John Herschel Project

Herschel1068

From:
Sir John Herschel
To:
[Spencer J. A.] Compton
Date:
[8 July 1840]
Source of text:
RS:HS 25.6.6
Summary:

The Physical [?] Committee is meeting the next day to deal with the question of establishing a magnetic and meteorological observatory. JH [Chair of the Physical Committee?] cannot attend the meeting and sends his supportive, but cautioning, comments.

Contributor:
John Herschel Project

Herschel10730

From:
Sir John Herschel
To:
Robert Hunt
Date:
[19 April 1840]
Source of text:
RS:HS 22.49
Summary:

Exchanging further information on several aspects of the photographic process [see RH's 1840-4-15].

Contributor:
John Herschel Project

Herschel10793

From:
Sir John Herschel
To:
James O. Halliwell
Date:
[28 June 1840]
Source of text:
RS:HS 10.147 & 22.56
Summary:

Feels unable to become a member of the new society proposed by Halliwell, but wishes it well.

Contributor:
John Herschel Project

Herschel1100

From:
Sir John Herschel
To:
Francis Baily
Date:
[1840-4]
Source of text:
RS:HS 25.8.65
Summary:

Indicates travel plans, including a visit to FB, with a side trip for business to Slough. JH comments on some astronomical observations he has received.

Contributor:
John Herschel Project

Herschel1139

From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[1840?]
Source of text:
RS:HS 25.13.4
Summary:

Having heard that HP had expressed pleasure at some of JH's colored photographs, JH sends some more recent ones.

Contributor:
John Herschel Project

Herschel1145

From:
Sir John Herschel
To:
[Francis Baily?]
Date:
[1840?]
Source of text:
RS:HS 25.14.1
Summary:

A series of 'resolutions to be proposed as fundamental principles for a reform of the Southern constellations.'

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

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

Herschel11628

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[6 July 1840]
Source of text:
TxU:H/L-0011; Reel 1054
Summary:

GA's correspondence with [R.S.L. president] Lord Northampton [S. J. A. Compton] will be read before Physical Committee. JH favors establishing national physical observatory and experimental institute, but wishes plan had been discussed more fully. Proposes sites, procedures, and instruments for magnetic and meteorological observations in Britain. Ideas for experimental institute.

Contributor:
John Herschel Project

Herschel1163

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
1840-6-[25 or earlie
Source of text:
RS:HS 25.14.19
Summary:

Sends to HL a sheet of curves laid down by [Charles] Riddell, comparing Brussels declination observations with those made in Toronto. JH frequently refers to HL's work on the subject of terrestrial magnetism.

Contributor:
John Herschel Project

Herschel1164

From:
Sir John Herschel
To:
John William Lubbock
Date:
[29 January 1840]
Source of text:
RS:HS 25.14.22
Summary:

Has received JL's memoir on the tides. JH would like to amalgamate certain portions with a memoir from William Whewell. JH adds some comments on photographic experiments he has made.

Contributor:
John Herschel Project

Herschel12176

From:
Sir John Herschel
To:
Philip Melvill
Date:
[22 January 1840]
Source of text:
RS:HS 13.34 & 22.38
Summary:

Returns, with many thanks, the report of George Everest. Gives adverse comment on the alterations that Everest has made to some of the instruments.

Contributor:
John Herschel Project

Herschel1235

From:
Sir John Herschel
To:
Robert Hunt
Date:
[17 August 1840]
Source of text:
RS:HS B26.68
Summary:

Thanks RH for a sample of Daguerreotype paper. Comments on some aspects of the action of 'thermic' rays and 'chemical' rays in photography.

Contributor:
John Herschel Project

Herschel12571

From:
Sir John Herschel
To:
Hans Christian Oersted
Date:
[28 January 1840]
Source of text:
RS:HS 22.57
Summary:

Offers HO a small requiem, which JH's family sung at the beginning of the astronomical year at the memorial of the 40-foot reflector.

Contributor:
John Herschel Project

Herschel12572

From:
Sir John Herschel
To:
George Thomas Napier
Date:
1840-[8-14 or earlie
Source of text:
RS:HS 22.75
Summary:

Is trying to reduce the ill feeling between GN and Andries Stockenström relating to the governing of the Cape colony; JH feels hampered by limited information.

Contributor:
John Herschel Project
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