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Herschel, John in addressee 
1840-1849 in date 
Sabine, Edward in correspondent 
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From:
Edward Sabine
To:
Sir John Herschel
Date:
[13 January 1842]
Source of text:
RS:HS 15.136
Summary:

Will give JH's report on Kew Observatory to Charles Wheatstone. Sends JH actinometer reports. Questions methods of observation and quality of observers. Discusses government support of scientific research.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 January 1842]
Source of text:
RS:HS 15.137
Summary:

Transmits message from [A. T.] Kupffer about setting up an observatory at Hammerfest and details about various apparati. Notes proposal for observatory in northern Siberia. Has ordered 250 copies of the Physical Committee Report.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[19 January 1842]
Source of text:
RS:HS 15.138
Summary:

Discusses at length and rejects JH's recommendation that communication in scientific projects take place solely by letter and theorization solely by individuals. Mentions subsequent variation in intervals between magnetic observations and disputes between G. B. Airy and Humphrey Lloyd, as well as other difficulties.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842-2?]
Source of text:
RS:HS 15.296
Summary:

[Hussey] Vivian supports E.S.'s efforts regarding a magnetic survey of North America. Has examined magnetic measurements made at Boston and Toronto.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
John Frederick William Herschel
Date:
16 February 1842
Source of text:
MM/11/172, Royal Society
Summary:

No summary available.

Contributor:
Royal Society
From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842 to 1843]-4-23
Source of text:
TxU:H/M-0517.4; Reel 1093
Summary:

Urged by G. B. Airy, ES withdraws earlier letter to JH and encloses letter with ES's opinions regarding continuance of [magnetic and meteorological] observations.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842 to 1843]-6-12
Source of text:
TxU:H/M-0517.5; Reel 1093
Summary:

Asks JH to inspect first magnetic and meteorological observations from [Tasmania] and Toronto. Hopes North American observations will be increased.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 June 1842]
Source of text:
TxU:H/M-0519; Reel 1093
Summary:

Encloses bill from W. H. Allen & Co. regarding Breslau observatory. [JH annotation: Details of bill.]

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[1842-7]
Source of text:
RS:HS 15.305
Summary:

Sorry [F. W.] Bessel's health is 'so indifferent.' Glad JH is coming to [B.A.A.S. meeting].

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
17 August [1842]
Source of text:
RS:HS 15.306
Summary:

Magnetic survey of Austrian dominions to be undertaken. Sending portable apparatus for survey in Mediterranean along with instructions from [Charles] Riddell. Completed sea observations for R.S.L.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[31 August 1842]
Source of text:
RS:HS 15.146
Summary:

Asks JH to consult [C. F.] Gauss concerning magnetical instructions. [Charles] Wilkes made mistake in distinguishing Balleny's[?] Land from 'American discoveries.' This has caused dispute.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[25 January 1843]
Source of text:
RS:HS 15.149
Summary:

Sends letter of [Johann] Lamont, whose suggestions have been adopted by the Physical Committee. Discusses size of instruments, particularly needles.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 January 1843]
Source of text:
RS:HS 15:150
Summary:

Discusses plans for printing of 4 maps of terrestrial isotherms prepared by [H. W.] Dove along with Dove's commentary.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[14 February 1843]
Source of text:
RS:HS 15.151
Summary:

Sent JH's letter concerning actinometers to all observatories. [Johann] Lamont must be informed of recent work. ES comparing fluctuations of direction and force at Toronto and Van Diemen's Land. Mentions [G. B.] Airy and air currents.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[26 May 1843]
Source of text:
RS:HS 15.152
Summary:

Received a stray dispatch, dated at sea, from [James] Ross. Assumes Ross is on his way home.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
15 July [1843]
Source of text:
TxU:H/M-0517.6; Reel 1093
Summary:

Will send JH's report to JH in August. J. C. Ross will not be at Cork meeting, but JH may announce there that first year of Ross's observations at sea will appear in R.S.P.T.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[28 July 1843]
Source of text:
RS:HS 15.153
Summary:

Will undertake magnetic report except parts for which research is not yet completed. Needs [Johann] Lamont's recommendation regarding experiments. Sends [James] Ross's observations for perusal.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[6 August 1843]
Source of text:
RS:HS 15.154
Summary:

Discusses state of science in France. Magnetic instruments were ordered for Algiers, but ES is uncertain whether they left Paris. Will send portion of magnetic report and letter from [A. D.] Bache among other things.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
7 September [1843]
Source of text:
RS:HS 15.317
Summary:

Sends letter from [P. H. L. ] Boguslawski for JH's magnetic report. [John] Lefroy has found line of greatest intensity further south in Canada than ES expected.

Contributor:
John Herschel Project
From:
Edward Sabine
To:
Sir John Herschel
Date:
[1844 to 1845]
Source of text:
TxU:H/M-0517.1; Reel 1093
Summary:

Funding for magnetic and meteorological instruments for Ceylon, which would be valuable addition to H.E.I.C. observatories. Compares [barometric] curves from America and Europe. Magnetometers for [Nossrey?] were paid for out of R.S.L.'s Donation Fund.

Contributor:
John Herschel Project