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1840-1849::1841 in date 
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RS-MM-001108

From:
John Frederick William Herschel
To:
John Herschel
Date:
30 November 1841
Source of text:
MM/16/146, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-001111

From:
John Frederick William Herschel
To:
John Herschel
Date:
19 July 1841
Source of text:
MM/16/149, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-000648

From:
John Frederick William Herschel
To:
Edward Sabine
Date:
11 May 1841
Source of text:
MM/11/155, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-000651

From:
John Frederick William Herschel
To:
William Parsons, 3rd Earl of Rosse
Date:
16 November 1841
Source of text:
MM/11/158, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-000652

From:
John Frederick William Herschel
To:
unknown
Date:
15 December 1841
Source of text:
MM/11/159, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

RS-MM-000653

From:
John Frederick William Herschel
To:
George Biddell Airy
Date:
25 December 1841
Source of text:
MM/11/160, Royal Society
Summary:

No summary available.

Contributor:
Royal Society

SOMERVILLE275

From:
Zanobi Zucchini
To:
John Herschel
Date:
8 Oct 1841
Source of text:
HS 18.364, RS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse

Herschel102

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 December 1841]
Source of text:
RGO 6.675.265 (C: RGO 6.675.267 inc)
Summary:

Asks the Physical Committee (Chair, JH) of the R.S.L. to note the concurrent disturbances of magnetometers and the appearance of aurora borealis, and to make a long term study of this relationship.

Contributor:
John Herschel Project

Herschel10244

From:
Sir John Herschel
To:
George Grey
Date:
[27 December 1841]
Source of text:
RS:HS 9.130 (C: RS:HS 22.105 & Auckland Public Library)
Summary:

GG's book [Journals of Two Expeditions of Discovery in the North-West and Western Australia, 2 vols. (London: Boone, 1841)] is creating a sensation in London. Pleased to learn from it of the range of mountains named after JH. Hopes GG will carry out some study into the Aboriginal dialects. Standards of weight and measure should be sent to all Colonies. Important to have a magnetic survey of all colonized and colonizable parts of Australia.

Contributor:
John Herschel Project

Herschel103

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[25 December 1841]
Source of text:
RGO 6.675.268
Summary:

Points out an error in the instructions for magnetic observers provided for the Antarctic expedition.

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

Herschel10415

From:
Thomas Henderson
To:
Sir John Herschel
Date:
[21 July 1841]
Source of text:
RS:HS 9.296
Summary:

All N. L. Lacaille's observations have been reduced and a complete catalogue sent to Francis Baily to be incorporated into the catalogue of the R.A.S. Hopes Baily is recovering his health.

Contributor:
John Herschel Project

Herschel10553

From:
Henry Holland
To:
Sir John Herschel
Date:
5 July [1841]
Source of text:
RS:HS 9.430
Summary:

Thanks for mentioning HH's book [Medical Notes and Reflections (1839)] in JH's review of William Whewell in latest issue of Quarterly Review. Sends copy of its second edition.

Contributor:
John Herschel Project

Herschel10564

From:
Henry Holland
To:
Sir John Herschel
Date:
[1841-1858]-5-12
Source of text:
RS:HS 9.441
Summary:

Invites JH to dinner if possible, or later if not at present possible.

Contributor:
John Herschel Project

Herschel10624

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

Herschel1069

From:
Sir John Herschel
To:
Francis Beaufort
Date:
[20 January 1841]
Source of text:
RS:HS 25.6.8
Summary:

Supports the remeasurement of N. L. Lacaille's geodetic arc in South Africa, giving a number of reasons for his support.

Contributor:
John Herschel Project

Herschel1070

From:
Sir John Herschel
To:
Edward Sabine
Date:
[15 January 1841]
Source of text:
RS:HS 25.6.9
Summary:

Comments on the operational and organizational details of the magnetic and meteorological observatories, and on the supervisory committee's [the Physical Committee of the R.S.L.] responsibilities.

Contributor:
John Herschel Project

Herschel10736

From:
Robert Hunt
To:
Sir John Herschel
Date:
[17 January 1841]
Source of text:
RS:HS 10.89
Summary:

Is grateful for referring him to Capt. Ludlow. Has now moved himself to Falmouth. What does JH think of the chances of success of a popular book on photography? He is contemplating the idea. Hears that J. B. Biot considers the production of colored drawings impossible, but is not convinced himself. Encloses description and drawing of a very clever instrument.

Contributor:
John Herschel Project

Herschel10737

From:
Sir John Herschel
To:
Robert Hunt
Date:
[10 February 1841]
Source of text:
RS:HS 22.79
Summary:

Has not lately done much work in photography, except to work with paper treated with vegetable substances.

Contributor:
John Herschel Project

Herschel10738

From:
Robert Hunt
To:
Sir John Herschel
Date:
[5 June 1841]
Source of text:
RS:HS 10.90
Summary:

Returns with grateful thanks the example of photographs recently sent him. They open up a new field of curious processes. Will not have much time this summer for photographic experiments as he is carrying out a series of investigations into the air of mines. Has been experimenting with the cyanurets.

Contributor:
John Herschel Project
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