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Herschel, John in author 
1840-1849::1841::01 in date 
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From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1841-1?]
Source of text:
RS:HS 19.169
Summary:

[WB's] sheets [of barometer observations] are well done. Sends European latitudes and longitudes. Will send 'Engraved Squares' soon. Notes errors in observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[1841?]
Source of text:
RS:HS 2.365
Summary:

The Ryans are in London.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
1841
Source of text:
TxU:H/L-0539; Reel 1053
Summary:

JH is captivated by science of photography. Has blundered onto 'Calotype leaving out [W. H. F.] Talbot's principal ingredient!!' [Note added by daughter Isabella Herschel:] Papa is in hurry. Greetings to family.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Margaret Brodie Herschel
Date:
[1841]
Source of text:
JHS 3.21d
Summary:

Compliments MH on her poetry; JH is trying to clarify when various friends are to visit Collingwood.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[3 January 1841]
Source of text:
TxU:H/L-0586.1; Reel 1058
Summary:

The Herschels bought a Christmas tree this year; JH reports that his children loved it and that 'they will be sure to keep up the custom which is a very merry one.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
S. B. P. Micklethwaite
Date:
[13 January 1841]
Source of text:
RS:HS 12.325 & 22.76
Summary:

Giving reasons why he would not like his name put forward as a magistrate.

Contributor:
John Herschel Project
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
From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[17 January 1841]
Source of text:
RS:HS 15.387 (C: RS:HS 22.77)
Summary:

Discusses a letter in which JH explains why JH cannot, as a British subject, accept the foreign order offered him [by the Danish king]. Asks HS to read over the letter and to decide how it should be delivered.

Contributor:
John Herschel Project
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
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[20 January 1841]
Source of text:
RGO 6.340.297
Summary:

Agrees to proposed meeting date [see GA's 1841-1-16], and encourages GA to come with a draft final report prepared.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[26 January 1841]
Source of text:
RS:HS 3.198 (C: RS:HS 25.8.33)
Summary:

Is sending him a circumpolar projection of the Southern stars. Regarding the star maps being printed by John Arrowsmith. Will visit him the following week. Has received Robert Main's paper.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Edward Sabine
Date:
[28 January 1841]
Source of text:
RS:HS 15.121 (C: RS:HS 22.78)
Summary:

Insists on inclusion of all data and graphs in the publication of the accumulated magnetic observations, made as part of 'perhaps the very greatest scientific operation ... ever ... undertaken....' Urges that funding be sought from the government.

Contributor:
John Herschel Project