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Herschel, John in addressee 
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1840-1849::1841 in date 
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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

Herschel5471

From:
Francis Beaufort
To:
Sir John Herschel
Date:
[20 February 1841]
Source of text:
RS:HS 3.373 & ACC: Hydrographic Office Letter Book
Summary:

Edward Sabine has asked him to forward J. C. Ross's notes. If JH has finished with Thomas Maclear's letter would he return it.

Contributor:
John Herschel Project

Herschel9505

From:
Robert FitzRoy
To:
Sir John Herschel
Date:
[20 February 1841]
Source of text:
RS:HS 7.250
Summary:

Was pleased to receive the letter and old papers. Remembers his time at the Cape with pleasure. Has been interested, but not convinced, by J. C. Ross's soundings.

Contributor:
John Herschel Project

Herschel4358

From:
John Taylor, F.R.S.
To:
Sir John Herschel
Date:
[22 February 1841]
Source of text:
RS:HS 17.429
Summary:

Sends JH a quantity of silver ore from Mexico.

Contributor:
John Herschel Project

Herschel9459

From:
Few & Co.
To:
Sir John Herschel
Date:
[23 February 1841]
Source of text:
RS:HS 7.205
Summary:

Has deposited the new conveyance with Messrs. Drummonds and returns the key.

Contributor:
John Herschel Project

Herschel3845

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[24 February 1841]
Source of text:
unknown
Summary:

Angry that many call William Herschel's 40-ft. reflecting telescope 'useless.'

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

Herschel5472

From:
Francis Beaufort
To:
Sir John Herschel
Date:
[24 February 1841]
Source of text:
RS:HS 3.374
Summary:

Admiralty wished to present him with another part of the Cape Observations, and will hold it until someone is deputed to call at the office.

Contributor:
John Herschel Project

Herschel11956

From:
Macedonio Melloni
To:
Sir John Herschel
Date:
[2 March 1841]
Source of text:
RS:HS 12.318
Summary:

Is grateful for JH's obliging offer. Regrets his own unfortunate article regarding JH's experiments; comments on this. Is pleased JH is to continue with his on light.

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

Herschel13827

From:
F. M. Eardley-Wilmot
To:
Sir John Herschel
Date:
[7 March 1841]
Source of text:
TxU:H/M-0174; Reel 1087
Summary:

Magnetic observatory is still not operational one year after FW's arrival. Thomas Maclear is now in 'Zwartsland' [Zwartkops?]. FW shares quarters with C. P. Smyth and William Mann. Hopes to begin observations next week at Cape Town and Simon's Bay; G. G. Lewis will make observations at Grahamstown. Problems with meteorological instruments. Proposes magnetic survey of entire colony. [JH annotation: Enquire what FW meant about measurement conversions, malfunctioning needle, and broken tube in 19 Feb. 1841 letter to Humphrey Lloyd.]

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

Herschel11769

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[8 March 1841]
Source of text:
RS:HS 12.129
Summary:

Came back from Zwartland for a day, but returns tomorrow. Relates news of the measuring of the base line. Visited magnetic observatory; work in Zwartland not yet complete. Magnetic Observatory satisfactory despite slow construction. No news of the obelisk yet.

Contributor:
John Herschel Project

Herschel10794

From:
Eliza Mary Hamilton
To:
Sir John Herschel
Date:
[9 March 1841]
Source of text:
RS:HS 10.148
Summary:

Her brother has sent JH's letter and she will be only too pleased to send her poems for whatever purpose he requires them.

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

Herschel8110

From:
Robert Warington
To:
Sir John Herschel
Date:
[13 March 1841]
Source of text:
RS:HS 18.376
Summary:

Invites JH to join new Chemical Society. Committee proposed JH as first president.

Contributor:
John Herschel Project

Herschel1354

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[17 March 1841]
Source of text:
RS:HS 17.304a
Summary:

Announces his invention of the 'calotype', and his application for a patent. Questions JH on his address to R.A.S., objecting to idea that universe is infinite.

Contributor:
John Herschel Project

Herschel10337

From:
William Richard Hamilton
To:
Sir John Herschel
Date:
[17 March 1841]
Source of text:
RS:HS 9.220
Summary:

Has just received the enclosed communication from Sir Hilgrove Turner, lately Governor of Bermuda. Believes JH is the only person who can deal with it.

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
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