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1840-1849::1849 in date 
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Herschel12811

From:
Sir John Herschel
To:
Adolph Knipping
Date:
[26 September 1849]
Source of text:
TxU:H/L-0217; Reel 1054
Summary:

Gratitude for AK's services as executor for affairs of Caroline L. Herschel. Did not receive AK's Sept. 1848 letter. Give remaining money to [Caroline's servant] Betty, whose pending marriage surprised JH. Thank AK's mother for her letter of 3 Sept. to JH. Happy that AK's brother Georg returned safely from war in Holstein with honors. Hopes peace comes to Europe soon.

Contributor:
John Herschel Project

Herschel12835

From:
Sir John Herschel
To:
Eneas Mackintosh
Date:
[13 July 1849]
Source of text:
TxU:H/L-0239; Reel 1054
Summary:

Efforts by Duncan Stewart to provide new career for brother Peter Stewart, whose mischief created economic ruin, left Duncan Stewart in difficult financial situation. JH is willing to relinquish EM's appointment to Haileybury College for JH's son John and to seek position for John at [Royal Military Academy,] Woolwich, if EM would transfer recommendation to Haileybury from JH's son John to Duncan Stewart's second son.

Contributor:
John Herschel Project

Herschel12849

From:
Sir John Herschel
To:
Charles May
Date:
[17 December 1849]
Source of text:
TxU:H/L-0256; Reel 1054
Summary:

Learned of John Gorrie's mechanical ice-making method. Asks CM to send letter to JH recounting conversation of 11 Feb. 1848 in which JH told CM about JH's theory for making ice by compressing air. JH does not want to interfere with Gorrie's claim, but will submit CM's letter to Athenaeum and put on record, for sake of 'scientific history,' that JH was 'certain' that such a principle would work. Condolences for death of CM's partner.

Contributor:
John Herschel Project

Herschel12929

From:
Sir John Herschel
To:
William Parsons (Lord Rosse)
Date:
[5 November 1849]
Source of text:
TxU:H/L-0341; Reel 1054
Summary:

Recommends Edward Sabine's work on terrestrial magnetism for Royal Physical Medal, and joint award of Copley Medal to WP and William Lassell for improvements in reflecting telescopes.

Contributor:
John Herschel Project

Herschel13020

From:
Sir John Herschel
To:
[James Calder] Stewart
Date:
[4 March 1849]
Source of text:
TxU:H/L-0433; Reel 1055
Summary:

Received news today of JS's arrival in Bombay. Describes conflict as 'Armageddon.' Family news. John Stewart returned from China and leaves soon to meet Matilda [Grahame] in Paris. [Richard] Jones's concern for JS is genuine. Eneas Mackintosh obtained cadetship for JH's son John at Addiscombe.

Contributor:
John Herschel Project

Herschel13548

From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
[2 April 1849]
Source of text:
TxU:H/MW-0025.1; Reel 14
Summary:

Describes HJ's formal petition against Stuart Watley's bill for reform of marriage laws.

Contributor:
John Herschel Project

Herschel13549

From:
Henry Anthony Jeffreys
To:
Sir John Herschel
Date:
3] April [1849
Source of text:
TxU:H/MW-0025.2; Reel 14
Summary:

Thanks for JH's corrections to HJ's formal petition [against marriage reform bill].

Contributor:
John Herschel Project

Herschel13606

From:
[A. J. F.] Yvon Villarceau
To:
Sir John Herschel
Date:
[1 April 1849]
Source of text:
RS:HS 17.418
Summary:

Asks for JH's comments on YV's specific double star observations. YV presents the mathematical method he uses to calculate double star orbits, which he had presented to the Paris Académie in 1847, but it was not published.

Contributor:
John Herschel Project

Herschel13607

From:
Sir John Herschel
To:
[A. J. F.] Yvon Villarceau
Date:
[19 April 1849]
Source of text:
RS:HS 17.418a
Summary:

Has passed YV's memoirs on the calculation of orbits on to G. B. Airy for publication; copies will be sent [see YV's 1849-4-1]. Notes that YV's methods are similar to those of U. J. J. Leverrier.

Contributor:
John Herschel Project

Herschel13608

From:
[A. J. F.] Yvon Villarceau
To:
Sir John Herschel
Date:
[18 May 1849]
Source of text:
RS:HS 17.419
Summary:

Is sending a communication to JH for insertion in the R.A.S.M.N. Seems to be some problem with understanding YV's calculations of the orbits of double stars, so YV explains his method.

Contributor:
John Herschel Project

Herschel13609

From:
[A. J. F.] Yvon Villarceau
To:
Sir John Herschel
Date:
[16 November 1849]
Source of text:
RS:HS 17.420
Summary:

Thanks JH for his interest in YV's work on double stars. YV sends a copy of a note on double stars published in the Académie des Sciences for consideration by the R.A.S. Raises a problem of agreement between Newtonian theory and observational data. YV feels astronomical studies in France are slowing down.

Contributor:
John Herschel Project

Herschel13614

From:
V. Tracy
To:
Sir John Herschel
Date:
[3 August 1849]
Source of text:
RS:HS 17.442
Summary:

Thanks JH for a copy of a scientific manual (Admiralty Manual?).

Contributor:
John Herschel Project

Herschel137

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[28 March 1849]
Source of text:
RGO 6.694.248
Summary:

Asks JH's opinion about GA's plan not to print a separate volume of magnetic and meteorological observations for 1848.

Contributor:
John Herschel Project

Herschel13760

From:
William Cranch Bond
To:
Sir John Herschel
Date:
[26 June 1849]
Source of text:
TxU:H/M-0113; Reel 1087
Summary:

WB's latest observations of Gamma Virginis.

Contributor:
John Herschel Project

Herschel138

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 March 1849]
Source of text:
RGO 6.694.250
Summary:

Some concerns about GA's intent of attaching magnetic and meteorological observations to the R.A.S.'s Astronomical Observations [see GA's 1849-3-28].

Contributor:
John Herschel Project

Herschel139

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[30 March 1849]
Source of text:
RGO 6.694.251
Summary:

Will reconsider the proposal about printing observations [see JH's 1849-3-29], and get back to JH.

Contributor:
John Herschel Project

Herschel14085

From:
John Johnstone
To:
Sir John Herschel
Date:
[8 March 1849]
Source of text:
TxU:H/M-0304; Reel 1087
Summary:

Sends sample of photographic lenses ground by JJ. Asks JH for formula of curvature to admit more light.

Contributor:
John Herschel Project

Herschel14130

From:
Charles May
To:
Sir John Herschel
Date:
[20 December 1849]
Source of text:
TxU:H/M-0352; Reel 1087
Summary:

Sends note with needed facts [related to JH's early discovery of principle for ice-making machine], plus paragraph that JH may wish to insert [in notice to Athenaeum].

Contributor:
John Herschel Project

Herschel14321

From:
Alfred Smee
To:
Sir John Herschel
Date:
[6 November 1849]
Source of text:
TxU:H/M-0484; Reel 1093
Summary:

Encloses sequel to AS's volume on electro-biology, which AS dedicated to JH. Both are being translated into French.

Contributor:
John Herschel Project

Herschel14804

From:
Sir John Herschel
To:
Francis Beaufort
Date:
[19 August 1849]
Source of text:
Hydrographic Office Misc F24F1.1
Summary:

Returns a letter from Thomas Maclear to FB, and then JH expresses his concern about the state of health and work of Maclear.

Contributor:
John Herschel Project
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