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Herschel8202

From:
Sir John Herschel
To:
Johann Wilhelm A. Pfaff
Date:
20] October [1823
Source of text:
RS:HS 19.10
Summary:

Heard from H. C. Schumacher that JP plans to translate William Herschel's works into German. Sends five bound volumes, three papers, and list of papers printed in R.S.P.T. Promises to send biography of William Herschel when it is finished.

Contributor:
John Herschel Project

Herschel8204

From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[20] October 1823
Source of text:
RS:HS 19.11
Summary:

Sends packet of books and papers for delivery to J. W. A. Pfaff, copy of JH's 'Essay on Physical Astronomy,' and JH's and James South's work on double stars. Promises to send biographical notice of William Herschel. Astronomical Society received HS's 'Schreiben en Dr. Olbers.'

Contributor:
John Herschel Project

Herschel8206

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[29 March 1823]
Source of text:
RS:HS 20.162
Summary:

WS was elected associate of Astronomical Society. Distributed books as WS directed. Will send JH's and James South's observations of double stars when printed. Neither Thomas Young nor William Herschel received WS's Dorpat observations.

Contributor:
John Herschel Project

Herschel8244

From:
Sir John Herschel
To:
Henry Kater
Date:
[31 July 1823]
Source of text:
RS:HS 19.51 (C: RS:HS 20.165)
Summary:

'Our micrometer screws' are not in error. F. G. W. Struve's star measurements using Josef Fraunhofer's repeating micrometer agree well with JH's. So error must be in HK's observations.

Contributor:
John Herschel Project

Herschel8437

From:
James South
To:
Sir John Herschel
Date:
[30 June 1823]
Source of text:
RS:HS 16.418
Summary:

Discusses various apparent errors JS has been detecting in observing double stars with two different telescopes. Assures JH that no serious problems exist.

Contributor:
John Herschel Project

Herschel8438

From:
James South
To:
Sir John Herschel
Date:
[10 August 1823]
Source of text:
RS:HS 16.419
Summary:

Reports on various observations of double stars that JS has made. Asks JH to check some of JS's results.

Contributor:
John Herschel Project

Herschel8439

From:
James South
To:
Sir John Herschel
Date:
[13 September 1823]
Source of text:
RS:HS 16.420
Summary:

Reports on efforts to make measurements regarding 39 Boötes. Accepts JH's invitation for JS and wife to visit JH at Slough.

Contributor:
John Herschel Project

Herschel8440

From:
James South
To:
Sir John Herschel
Date:
[11 October 1823]
Source of text:
RS:HS 16.422
Summary:

Discusses observations he had made of various stars, especially a star in Capricorn that William Herschel believed to be a gravitational double. Has observed 61 Cygni.

Contributor:
John Herschel Project

Herschel8441

From:
James South
To:
Sir John Herschel
Date:
[13 November 1823]
Source of text:
RS:HS 16.423
Summary:

Discusses a paper by [Edward] Troughton and work that JH and JS were preparing. Remarks on observations of 61 Cygni and of Sigma Cassiopeia.

Contributor:
John Herschel Project

Herschel8442

From:
James South
To:
Sir John Herschel
Date:
[19 December 1823]
Source of text:
RS:HS 16.424
Summary:

Writing in confidence, informs JH of a conversation with Humphry Davy concerning the appointment of assistants for John Pond, Astronomer Royal. Situation complicated by Pond's precarious health and the widespread belief that JH would be the appropriate successor to Pond.

Contributor:
John Herschel Project

Herschel8443

From:
Sir John Herschel
To:
James South
Date:
[21 December 1823]
Source of text:
RS:HS 16.425 (C: 20.171)
Summary:

Responding to JS's letter of 1823-12-19, advises caution in countervening John Pond's preferences in the appointment of Royal Observatory assistants. Were the post of Astronomer Royal to become vacant, JH would be 'anything but disinclined to offer myself for it,' but will not make a 'premature declaration' of his willingness to accept it.

Contributor:
John Herschel Project

Herschel8495

From:
James South
To:
Sir John Herschel
Date:
[1823-11-14 or later
Source of text:
RS:HS 16.475
Summary:

Will bring a transit instrument to Slough so that JH and JS can determine its longitude. Proposes joint observations of the satellites of Saturn. Has been observing 61 Cygni.

Contributor:
John Herschel Project

Herschel8497

From:
James South
To:
Sir John Herschel
Date:
[1823?]
Source of text:
RS:HS 16.477
Summary:

Has been ill. Should we publish our observations of 340 double stars or extend the number to 400?

Contributor:
John Herschel Project

Herschel8861

From:
Sir John Herschel
To:
Astronomische Nachrichten
Date:
1823
Source of text:
Astronomische Nachrichten, 1 (1823), 30-31
Summary:

Gives a formula related to a table published in the Nautical Almanac, which table listed various stellar observations made by John Pond.

Contributor:
John Herschel Project

Herschel9047

From:
William Whewell
To:
Sir John Herschel
Date:
[15 October 1823]
Source of text:
RS:HS 18.163
Summary:

Presents a system WW has devised for designating the faces of crystals. Asks JH whether it would be suitable for presentation to the R.S.L.

Contributor:
John Herschel Project

Herschel9048

From:
Sir John Herschel
To:
William Whewell
Date:
[1823-10-15 or later
Source of text:
RS:HS 18.164 (C: RS:HS 20.167 & TC, Camb. 0.15.4618 inc)
Summary:

Comments favorably on a method developed by WW for designating the faces of crystals. Presents a method JH had worked out previously, but writes on the letter: 'Not sent—On rereading his letter I find it is his idea—strange!'

Contributor:
John Herschel Project

Herschel9049

From:
Sir John Herschel
To:
William Whewell
Date:
[1823-10-15 or later
Source of text:
TC, Camb. Add. Ms.a.2078 (C: RS:HS 20:168)
Summary:

Praises and comments on some proposals made by WW for designating the faces of crystals. Urges him to present his method to the R.S.L.

Contributor:
John Herschel Project

Herschel9050

From:
Sir John Herschel
To:
William Whewell
Date:
24] November [1823
Source of text:
TC, Camb. Add. Ms.a.2079 (C: RS:HS 20.166)
Summary:

Advises WW on how to submit WW's paper on crystallography to the R.S.L. Asks him to visit Henry White.

Contributor:
John Herschel Project

Herschel9051

From:
Sir John Herschel
To:
William Whewell
Date:
[19 December 1823]
Source of text:
TC, Camb. Add. Ms.a.20710 (C: RS:HS 20.170)
Summary:

Strongly praises WW's completed paper on crystallography. Questions one point in it.

Contributor:
John Herschel Project

Herschel9408

From:
Fearon Fallows
To:
Sir John Herschel
Date:
[16 March 1823]
Source of text:
RS:HS 7.161
Summary:

Was pleased to receive JH's letter. Regrets to hear of the death of Sir William Herschel. Grateful to the Board of Longitude for their assistance. Regarding the deficiencies of one of the clocks. Work carried out. Site has been approved for the new observatory.

Contributor:
John Herschel Project
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