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Herschel, John in addressee 
1840-1849 in date 
Sabine, Edward in correspondent 
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Herschel2862

From:
Edward Sabine
To:
Sir John Herschel
Date:
[24 February 1841]
Source of text:
RS:HS 15.142
Summary:

On discrepancy of data from G. B. Airy and Humphrey Lloyd. Captain Boileau and John Caldecott exchange instruments to normalize data. Will send letters from Airy, [A. T.] Kupffer, Lloyd, ES, and JH to John Lubbock and the R.S.L. Council concerning the discrepancies.

Contributor:
John Herschel Project

Herschel2471

From:
Edward Sabine
To:
Sir John Herschel
Date:
3 March [1841?]
Source of text:
RS:HS 15.325
Summary:

Sends JH some actinometer observations and a letter from G. B. Airy to forward to Humphrey Lloyd. Also some observations of shooting stars made by [James] Farquharson.

Contributor:
John Herschel Project

Herschel2845

From:
Edward Sabine
To:
Sir John Herschel
Date:
[4 March 1841]
Source of text:
RS:HS 15.125
Summary:

Congratulates JH on his latest child. Notes that data from James Ross show great disturbances at the Kerguelen station simultaneously with Toronto and Greenwich. Has sent various data to C. F. Gauss. Wilhelm Weber reports a new magnetic station at Havana recording by the British system. Notes Ross's dip data supports Gauss's theoretical expectations.

Contributor:
John Herschel Project

Herschel2447

From:
Edward Sabine
To:
Sir John Herschel
Date:
8 March [1841]
Source of text:
RS:HS 15.301
Summary:

Thinks enclosed letter should be appended to [James] Farquharson's report on aurora. Wants to bring magnetometer to Alford. Hopes JH has [Humphrey] Lloyd's article regarding instruments.

Contributor:
John Herschel Project

Herschel2863

From:
Edward Sabine
To:
Sir John Herschel
Date:
[11 March 1841]
Source of text:
RS:HS 15.143
Summary:

Discusses plans for publishing magnetic storm data. Mentions transportable magnetic instruments and their use for a travelling observatory on an expedition to the Falkland Islands.

Contributor:
John Herschel Project

Herschel2846

From:
Edward Sabine
To:
Sir John Herschel
Date:
[18 March 1841]
Source of text:
RS:HS 15.126
Summary:

Norwegian government plans to support a magnetic observatory. Discusses details concerning R.S.L. logistical support and sources for instruments and training. Encloses Wilhelm Weber's letter concerning the instruments. Notes Charles Riddell's return and Lieutenant Younghusband's continued good work.

Contributor:
John Herschel Project

Herschel2448

From:
Edward Sabine
To:
Sir John Herschel
Date:
22 March [1841]
Source of text:
RS:HS 15.302
Summary:

Discusses proposed temperature experiments involving balloons. Prince Edward Island would be good observatory but funds are lacking. [C. F.] Gauss's article translated for Scientific Memoirs.

Contributor:
John Herschel Project

Herschel2847

From:
Edward Sabine
To:
Sir John Herschel
Date:
[24 April 1841]
Source of text:
RS:HS 15.127
Summary:

Forwards request of the Secretary of the Treasury for justification of public monies for expenses incurred for magnetic and meteorological observations of the Antarctic expedition. Brief note from JH should suffice for House approval. Note should mention G. B. Airy's request concerning the reduction of the Greenwich lunar and planetary observations and Francis Beaufort's concerning navigation. ES promoted to Lieutenant Colonel.

Contributor:
John Herschel Project

Herschel2849

From:
Edward Sabine
To:
Sir John Herschel
Date:
[28 April 1841]
Source of text:
RS:HS 15.129
Summary:

Quotes passage from C. E. Trevelyan (Treasury Office) to [Hussey] Vivian concerning the number of copies of published data and the number of magnetic observatories. Requests JH's perusal and advice. Includes letter from [A. T.] Kupffer on latest observations.

Contributor:
John Herschel Project

Herschel2850

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1 May 1841]
Source of text:
RS:HS 15.130
Summary:

Relates discussion with [Hussey] Vivian on magnetic survey of Africa and Treasury support thereof. Discusses administration of various stations.

Contributor:
John Herschel Project

Herschel2851

From:
Edward Sabine
To:
Sir John Herschel
Date:
[9 July 1841]
Source of text:
RS:HS 15.131
Summary:

Discusses the reductions and publication of magnetic observations from various stations. Describes report of the Antarctic expedition and the determination of the magnetic pole. Endorses proposal for Canadian Survey. Discusses survey of South Africa and British Guiana.

Contributor:
John Herschel Project

Herschel2455

From:
Edward Sabine
To:
Sir John Herschel
Date:
12 July [1841]
Source of text:
RS:HS 15.309
Summary:

Wants JH to include [J. C.] Ross's instructions in his forthcoming report. Encloses tract on station errors. Discusses [Elias] Loomis's findings regarding errors in measurement.

Contributor:
John Herschel Project

Herschel2467

From:
Edward Sabine
To:
Sir John Herschel
Date:
22 July [1841?]
Source of text:
RS:HS 15.321
Summary:

Corrects information from an earlier letter. [John] Caldecott stated that diurnal curve of declination changed with monsoon at Trivandum. Discusses [William] Allen and observation with transportable magnetometer.

Contributor:
John Herschel Project

Herschel2852

From:
Edward Sabine
To:
Sir John Herschel
Date:
[2 September 1841]
Source of text:
RS:HS 15.132
Summary:

Expresses his approval of James Ross's Antarctic survey, providing some of the details of it and his determination of the south magnetic pole. Gives details of Ross's plans.

Contributor:
John Herschel Project

Herschel2853

From:
Edward Sabine
To:
Sir John Herschel
Date:
[10 September 1841]
Source of text:
RS:HS 15.133
Summary:

Mentions a deletion of part of James Ross's dispatch. Clerk is receiving instructions from Charles Riddell before sailing to the Cape of Good Hope, from which observatory he expects a report in eight months. Asks whether the R.S.L. should request government funding for Cape observations and experiments. Wonders if astronomical and magnetic observers there could assist each other. Requests information on the atmosphere.

Contributor:
John Herschel Project

Herschel2445

From:
Edward Sabine
To:
Sir John Herschel
Date:
9 October [1841]
Source of text:
RS:HS 15.299
Summary:

Sends [James Clark] Ross's journal and revised B.A.A.S. magnetic report. Discusses proposals for observation in Africa. ES will send various instruments to Africa.

Contributor:
John Herschel Project

Herschel2854

From:
Edward Sabine
To:
Sir John Herschel
Date:
[13 October 1841]
Source of text:
RS:HS 15.134
Summary:

Speculation about land masses and climate in Arctic regions. Extols James Ross's talents. Discusses John Dalton's pension and who should be devoting efforts for approving pensions.

Contributor:
John Herschel Project

Herschel2855

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1 December 1841]
Source of text:
RS:HS 15.135
Summary:

Discusses recent magnetic disturbances and their publication, as well as sending reports on them to G. B. Airy, Humphrey Lloyd, C. F. Gauss, and others.

Contributor:
John Herschel Project

Herschel14359

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842 to 1845]
Source of text:
TxU:H/M-0517.3; Reel 1093
Summary:

Hopes royal observatory at Cape of Good Hope will relieve Ordnance department. U.S. government agreed to pay for publication of observations there. A. D. Bache favors continuance of hourly meteorological observations in U.S. for one year. G. A. Erman will attend meeting at Cambridge. German translations by ES's wife.

Contributor:
John Herschel Project

Herschel2469

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842?]
Source of text:
RS:HS 15.323
Summary:

Discusses report of R.S.L. regarding observatories. [Charles] Wheatstone agrees with report on Kew except for tax paragraph. Discusses November 18 [1841] magnetic disturbance at Toronto.

Contributor:
John Herschel Project
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