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1840-1849::1843 in date 
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From:
Mary Somerville
To:
Sir John Herschel
Date:
[12 November 1843]
Source of text:
RS:HS 16.347
Summary:

Asks JH to tell her where to find his newly published works on the action of light on chemical substances. Rome is not intellectually stimulating. Describes summer in Venice.

Contributor:
John Herschel Project
From:
Heinrich Christian Schumacher
To:
Sir John Herschel
Date:
[30 October 1843]
Source of text:
RS:HS 15.392
Summary:

Saw article in the [London] Times about Lord Rosse's telescope. Has received a letter from [James] South. Asks for information from JH for private use. [Francesco] del Vico has observed triple stars, but HS thinks the telescope by [R. A.] Cauchoix is flawed.

Contributor:
John Herschel Project
From:
Heinrich Christian Schumacher
To:
Sir John Herschel
Date:
[1 December 1843]
Source of text:
RS:HS 15.393
Summary:

Sends copy of announcement from [Hervé] Faye at Paris observatory of a new comet in Orion. Requests use of JH's letter about double tail on [Halley's] comet in Astronomische Nachrichten. Note from Faye has a gross error in location of comet.

Contributor:
John Herschel Project
From:
G. Schwinck
To:
Sir John Herschel
Date:
[1 August 1843]
Source of text:
RS:HS 17.181
Summary:

Humbly requests that JH accept his 'celestial map' and his infinite esteem.

Contributor:
John Herschel Project
From:
Adolphe Quetelet
To:
Sir John Herschel
Date:
[11 September 1843]
Source of text:
RS:HS 14.245
Summary:

Has succeeded in increasing stations around Alps for meteorological observations. [G. B.] Airy is very obliging. Hopes one day to collect all meteorological observations in Sur le climat de la Belgique.

Contributor:
John Herschel Project
From:
John David Roberton
To:
Sir John Herschel
Date:
1843
Source of text:
RS MM.16.152
Summary:

Asks JH to report on whether and why JH thinks J. D. Forbes's paper on transparency of atmosphere and solar range worthy of Royal Medal.

Contributor:
John Herschel Project
From:
Benjamin Silliman
To:
Sir John Herschel
Date:
[27 February 1843]
Source of text:
RS:HS 17.205
Summary:

Thanks JH for favorable comments on BS's biography of [Charles?] Mason. Has been given part of an unusual meteorite fallen in the Cape. If JH has a piece of it, hopes to obtain JH's opinion.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 November 1843]
Source of text:
RGO 6.8.87
Summary:

Changes the date of a Board of Visitors' meeting and urges JH to be there.

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
1843-4
Source of text:
unknown
Summary:

Describes the visit of the Crown Prince and Princess [of Hanover?] on her 93rd birthday (16 March).

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[4 May 1843]
Source of text:
unknown
Summary:

Urges JH to study a temporary index made by William Herschel that contains observations about types of zodiacal light.

Contributor:
John Herschel Project
From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[12 December 1843]
Source of text:
unknown
Summary:

Jokes about WH's recent 'astronomical insignificance.'

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[9 May 1843]
Source of text:
RS:HS 16.268
Summary:

Sends comet observations from W. S. Jacob. Obtains 'another excellent epoch of Gamma Virginis.'

Contributor:
John Herschel Project
From:
William Keleher
To:
Sir John Herschel
Date:
[1843-6]
Source of text:
Harvard: Houghton AAH 67m-67 (63)
Summary:

Proposed travel arrangements for JH.

Contributor:
John Herschel Project
From:
George Booth Tyndale
To:
Sir John Herschel
Date:
[26 August 1843]
Source of text:
RS:HS 17.453
Summary:

Congratulates JH on his election as Trustee of the British Museum.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[4 December 1843]
Source of text:
RS:HS 16.275
Summary:

Thomas Henderson discovered a comet on 2 December. Thanks JH for diagram of JH's comet-sweeping telescope.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[11 July 1843]
Source of text:
RS:HS 16.272
Summary:

Pleased with JH's Gamma Virginis results. Mr. Visconti made head of Military Geographical Institute at Naples.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[15 May 1843]
Source of text:
RS:HS 16.269
Summary:

Francis Beaufort to publish comet information; also wants JH's opinion as to what data should be sent to Cape Observatory. James South will lecture at Royal Institution. South's requests for several historical astronomical instruments refused.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[6 June 1843]
Source of text:
RS:HS 16.270
Summary:

Requests copy of JH's observations made in 1811. Asks latest opinion of JH on Gamma Virginis before the publication of his Cycle of Celestial Objects for the Use of Naval, Military, and Private Astronomers.

Contributor:
John Herschel Project
From:
William Henry Smyth
To:
Sir John Herschel
Date:
[2 July 1843]
Source of text:
RS:HS 16.271
Summary:

Agrees with JH opinions of Gamma Virginis orbit. Sends JH a drawing by C. P. Smyth of Halley's Comet.

Contributor:
John Herschel Project
From:
Jonathan Pereira
To:
Sir John Herschel
Date:
[28 August 1843]
Source of text:
RS:HS 14.156
Summary:

Sends diagrams of woodcuts representing planes of polarization. Chooses not to publish chemistry lectures. Asks JH's opinion of a failed polarized light experiment.

Contributor:
John Herschel Project
Correspondent
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