Search: Herschel, John in correspondent 
Herschel, John in addressee 
Sabine, Edward in author 
1840-1849::1841 in date 
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Herschel2446

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1841?]
Source of text:
RS:HS 15.300
Summary:

Sends letter from [A. T.] Kupffer regarding magnetic observations. Discusses Great Toronto Disturbance of 18 November and observation of it at Greenwich, St. Helena, and St. Petersburg.

Contributor:
John Herschel Project

Herschel2838

From:
Edward Sabine
To:
Sir John Herschel
Date:
[9 January 1841]
Source of text:
RS:HS 15.118
Summary:

Discusses problem involving JH, George Peacock, Humphrey Lloyd, and Wilhelm Weber regarding the price of magnetometers. Also mentions reports of magnetic observations in Russia and at the Cape of Good Hope.

Contributor:
John Herschel Project

Herschel2839

From:
Edward Sabine
To:
Sir John Herschel
Date:
[11 January 1841]
Source of text:
RS:HS 15.119
Summary:

Asks JH's advice on the publication of various observations. Is also awaiting advice from Humphrey Lloyd.

Contributor:
John Herschel Project

Herschel2840

From:
Edward Sabine
To:
Sir John Herschel
Date:
[19 January 1841]
Source of text:
RS:HS 15.120
Summary:

Relates Humphrey Lloyd's complaint that JH sent Mr. Meyerstein's letter by mistake. Asks JH to forward [A. T.] Kupffer's letter along with those enclosed from Charles Riddell on the magnetism survey in America. Asks for JH's advice on the publication of the observations.

Contributor:
John Herschel Project

Herschel2842

From:
Edward Sabine
To:
Sir John Herschel
Date:
[29 January 1841]
Source of text:
RS:HS 15.122
Summary:

Assures JH that he will publish magnetic observations as JH desires. [Hussey] Vivian awaits the estimate of cost of publication. Encloses circular sent to the British magnetic observatories. Informs JH that the Niger and Guiana magnetometers have arrived safely. They should provide interesting comparisons with other observatories.

Contributor:
John Herschel Project

Herschel2859

From:
Edward Sabine
To:
Sir John Herschel
Date:
[2 February 1841]
Source of text:
RS:HS 15.139
Summary:

Encloses letter from G. B. Airy. Suggests new method of magnetic observation.

Contributor:
John Herschel Project

Herschel2843

From:
Edward Sabine
To:
Sir John Herschel
Date:
[5 February 1841]
Source of text:
RS:HS 15.123
Summary:

Has learned of the availability of a house at Kew, which could be used as a magnetic and meteorological observatory. Dr. Robinson has received the instruments.

Contributor:
John Herschel Project

Herschel2860

From:
Edward Sabine
To:
Sir John Herschel
Date:
[5 February 1841]
Source of text:
RS:HS 15.140
Summary:

Presents data on various disturbances. Awaits advice from C. F. Gauss. Discusses determination of intervals between observations. Mentions proposal to continue observations for 3 years.

Contributor:
John Herschel Project

Herschel2465

From:
Edward Sabine
To:
Sir John Herschel
Date:
7 February [1841?]
Source of text:
RS:HS 15.319
Summary:

Will be happy to send particulars from [C. F.] Gauss's information. [Humphrey] Lloyd's instrument records changes in horizontal intensity best. Wants to employ magnetometers in New York.

Contributor:
John Herschel Project

Herschel2844

From:
Edward Sabine
To:
Sir John Herschel
Date:
[20 February 1841]
Source of text:
RS:HS 15.124
Summary:

Francis Beaufort will send JH sheets from James Ross covering trip from the Cape to Van Diemen's Land. Laments Charles Riddell's leave of absence but acknowledges replacement Lieutenant Younghusband's skill. States that C. F. Gauss has informed him by letter of the location of the south magnetic pole. Informs of [Edward] Belcher's letter concerning various magnetic stations in the South Pacific.

Contributor:
John Herschel Project

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
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