Search: Herschel, John in addressee 
Sabine, Edward in author 
Herschel, John in correspondent 
1840-1849 in date 
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Showing 141–160 of 226 items

Herschel2452

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

Herschel2453

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1847?]-3-3.
Source of text:
RS:HS 15.307
Summary:

Glad JH is writing the meteorology. Collecting materials for charts of ocean. Forwards some of this to JH for comments.

Contributor:
John Herschel Project

Herschel2454

From:
Edward Sabine
To:
Sir John Herschel
Date:
10 May [1840]
Source of text:
RS:HS 15.308
Summary:

[John] Lefroy should replace [Charles] Riddell in Canada. Discusses proposed Norwegian observatory and proposals for various instruments. Navy officers may be helpful observers in colonies.

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

Herschel2463

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

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

Herschel2466

From:
Edward Sabine
To:
Sir John Herschel
Date:
23 August [1840?]
Source of text:
RS:HS 15.320
Summary:

Reports on letter from Humphrey Lloyd and latest information from [J. C.] Ross's voyage. Has received JH's meteorological plates.

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

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

Herschel2470

From:
Edward Sabine
To:
Sir John Herschel
Date:
26 March [1840?]
Source of text:
RS:HS 15.324
Summary:

Reports on instruments being sent to Hamburg and to Egyptian observatories. Encloses portion of [K.] Kriel's letter to [A. T.] Kupffer. Reports on [Charles] Riddell's securing a site for a meteorological observatory.

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

Herschel2472

From:
Edward Sabine
To:
Sir John Herschel
Date:
19 June [1840]
Source of text:
RS:HS 15.326
Summary:

[Charles] Riddell's observations suggest Europe and North America experience magnetic disturbances at similar times, but in opposite directions. Suggests course of action for [Charles] Riddell and Lieutenant Younghusband in North America.

Contributor:
John Herschel Project

Herschel2474

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1847]
Source of text:
RS:HS 15.328
Summary:

Elizabeth Sabine's translation of [Alexander von Humboldt's] Cosmos is nearly complete. Hopes JH will accept invitation to review it in Edinburgh Review. Encloses account of great disturbance of December.

Contributor:
John Herschel Project

Herschel2477

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1840]-4-25 or later
Source of text:
RS:HS 15.331
Summary:

Hopes [Humphrey] Lloyd will reconsider V.F. Magnetometer based on JH's remarks. Discusses Canadian observatories. States who will perform U. S. magnetic survey. Discusses micrometer use.

Contributor:
John Herschel Project

Herschel2478

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1848-7-30 or earlie
Source of text:
RS:HS 15.332
Summary:

[Francis] Ronalds's method of automatic registry is more useful than [Charles?] Brooke's in the colonies. Brooke's required camphine[?], which is difficult to obtain.

Contributor:
John Herschel Project

Herschel2720

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

Herschel2799

From:
Edward Sabine
To:
Sir John Herschel
Date:
[8 January 1840]
Source of text:
RS:HS 15.79
Summary:

Sends the corrections of the Meteorological Instructions to JH. Presents a new plan for recording data.

Contributor:
John Herschel Project

Herschel2800

From:
Edward Sabine
To:
Sir John Herschel
Date:
[17 January 1840]
Source of text:
RS:HS 15.80
Summary:

Discusses corrections and title page of a report. Discusses the damage to Charles Riddell's instruments.

Contributor:
John Herschel Project

Herschel2801

From:
Edward Sabine
To:
Sir John Herschel
Date:
[6 February 1840]
Source of text:
RS:HS 15.81
Summary:

Believes Treasury will cover all expenses. The application for a Cairo observatory looks promising and H. C. Oersted is eager to set up a station in Copenhagen. Writes of the instrument requests of other stations.

Contributor:
John Herschel Project

Herschel2802

From:
Edward Sabine
To:
Sir John Herschel
Date:
[15 February 1840]
Source of text:
RS:HS 15.82
Summary:

Plans to order equipment needed for observatories. Asks JH to examine the bills. Announces that both Bavaria and Denmark are planning observatories.

Contributor:
John Herschel Project
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