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1840-1849::1841::02 in date 
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From:
Luke Howard
To:
Sir John Herschel
Date:
[1 February 1841]
Source of text:
RS:HS 10.5
Summary:

Has been considering the reasons for the great depression of the barometer in November 1840. Thinks JH may be interested in the enclosed essay. Would be pleased if it could be read to the Royal Society.

Contributor:
John Herschel Project
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
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
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
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
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[8 February 1841]
Source of text:
TxU:H/M-0627.2
Summary:

A notice of meeting of the Standards Commission.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[8 February 1841]
Source of text:
TxU:H/M-0627.3
Summary:

A note to accompany a draft of the report of the Standards Commission.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[8 February 1841]
Source of text:
RGO 6.340.298a
Summary:

Sends JH a copy of draft report [see JH's 1841-1-20], and indicates procedure for coming meeting.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[9 February 1841]
Source of text:
RS:HS 6.185
Summary:

Regarding JH's telescope. Includes a rhyme on it.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[12 February 1841]
Source of text:
TxU:H/M-0627.4
Summary:

A notice of meeting of the Standards Commission.

Contributor:
John Herschel Project
From:
George Biddell Airy
To:
Sir John Herschel
Date:
[17 February 1841]
Source of text:
TxU:H/M-0627.5 (C: RGO 6.340.298b)
Summary:

Asks JH to put in writing proposals JH had made at a Standards Commission meeting, especially those relating to nomenclature [see GA's 1841-2-8].

Contributor:
John Herschel Project
From:
Elizabeth [Betty] Plumleigh Babbage
To:
Sir John Herschel
Date:
[19 February 1841]
Source of text:
RS:HS 2.296
Summary:

Thanks and appreciation for past and present friendship.

Contributor:
John Herschel Project
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
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
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
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
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
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
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
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