Search: Herschel, John in author 
1840-1849::1848 in date 
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Showing 81–100 of 150 items

Herschel391

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[5 April 1848]
Source of text:
RGO 6.9.204
Summary:

Willing to let GA choose the best objective lens [see GA's 1848-4-5]; then JH offers another possibility; all are ill at Collingwood.

Contributor:
John Herschel Project

Herschel398

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[2 February 1848]
Source of text:
RGO 6.230.444
Summary:

Is aware of T. J. Hussey's drawings [see GA's 1848-2-1]; needs information about P. A. Hansen's lunar theory for an appreciation JH is to provide.

Contributor:
John Herschel Project

Herschel399

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[24 September 1848]
Source of text:
RGO 6.230.454 (LCC: 6.675.578 inc)
Summary:

Personally would like to have F. W. A. Argelander's work printed [see GA's 1848-9-13], but will need to get a wider opinion; also asks about sharing money available from the Admiralty [see GA's 1845-10-24].

Contributor:
John Herschel Project

Herschel40

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[24 October 1848]
Source of text:
RGO 6.370.71
Summary:

Still arguing that Isaac Newton is not correct concerning the moon's motions [see GA's 1848-10-24].

Contributor:
John Herschel Project

Herschel4086

From:
Sir John Herschel
To:
Henry John Temple
Date:
[16 October 1848]
Source of text:
RS:HS 17.345
Summary:

Asks HT to appeal for a pension for H. C. Schumacher, director of the Royal Danish Observatory.2

Contributor:
John Herschel Project

Herschel41

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[26 October 1848]
Source of text:
RGO 6.370.77
Summary:

Further clarification to the moon's motions [see JH's 1848-10-25].

Contributor:
John Herschel Project

Herschel42

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[28 October 1848]
Source of text:
RGO 6.370.79
Summary:

Thanks GA for the time and trouble he took in the drawn-out debate over the moon's motions [see 1848-9-25 to 1848-10-26].

Contributor:
John Herschel Project

Herschel4222

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[7 November 1848]
Source of text:
RS:HS 23.48
Summary:

Will miss R.A.S. meeting; asks WS to take chair. William Lassell announces discovery of Hyperion; believes he may have also observed an eighth satellite of Saturn.

Contributor:
John Herschel Project

Herschel4278

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[20 September 1848]
Source of text:
RS:HS 23.35
Summary:

Sends paper by F. W. A. Argelander, which G. B. Airy wishes to have published. Revising chapter on perturbations in his Treatise Astr. Will include theory of motions of the apsides and the variations of the eccentricities.

Contributor:
John Herschel Project

Herschel43

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[28 November 1848]
Source of text:
RGO 6.370.84
Summary:

Thanks GA for his letter [see GA's 1848-11-27] and brings the whole episode to a close.

Contributor:
John Herschel Project

Herschel4398

From:
Sir John Herschel
To:
Henry Venn
Date:
[2 August 1848]
Source of text:
RS:HS 17.461c
Summary:

Lists difficulties with the [Isaac] Pitman phonetic system for writing Oriental languages in the Roman alphabet. Problems include inaccurate vowel usage. Suggests a revised system.

Contributor:
John Herschel Project

Herschel4459

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[11 January 1848]
Source of text:
RS:HS 23.3
Summary:

Suggests WS take the chair at the next R.S.L. meeting. Discusses a project of John Lubbock's. Fears Caroline Herschel will not survive the year.

Contributor:
John Herschel Project

Herschel4478

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[12 June 1848]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

William Mann applies for Madras Observatory post; JH believes TM should be consulted for recommendation. [Andrew] Graham, observer for E. J. Cooper, discovered the asteroid Metis. Describes children's education.

Contributor:
John Herschel Project

Herschel4494

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[26 November 1848]
Source of text:
RS:HS 23.52
Summary:

Gives suggestions for Edinburgh Board of Visitors. Gives no specific names, but says it should include theoretical and practical astronomers, geographers, and meteorologists.

Contributor:
John Herschel Project

Herschel4621

From:
Sir John Herschel
To:
John Couch Adams
Date:
[21 October 1848]
Source of text:
RS:HS 1.5 & 23.42
Summary:

Giving his views on planetary and lunar perturbations.

Contributor:
John Herschel Project

Herschel4808

From:
Sir John Herschel
To:
George Biddell Airy
Date:
1848-2
Source of text:
RS:HS 23.12
Summary:

JH comments on quality of Georg Merz object glasses.

Contributor:
John Herschel Project

Herschel4819

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[21 October 1848]
Source of text:
RS:HS 1.208b & 23.43
Summary:

Regarding Isaac Newton's theory of the motion of the moon's apse. Concerning the reliability of J. H. Seyfforth's theories. Status of the Ipswich Philosophical Society.

Contributor:
John Herschel Project

Herschel4821

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[25 October 1848]
Source of text:
RS:HS 1.210 (C: RS:HS 23.44 & C: RGO 6.370.75)
Summary:

Further regarding his dispute with Isaac Newton's theory on the moon.

Contributor:
John Herschel Project

Herschel4823

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[27 October 1848]
Source of text:
RS:HS 1.212 & 23.45
Summary:

Regarding the moon's orbit.

Contributor:
John Herschel Project

Herschel4983

From:
Sir John Herschel
To:
D. François J. Arago
Date:
1848
Source of text:
RS:HS 1.366 (C: RS:HS 25.13.9)
Summary:

Glad to lerarn of the Academy's interest in his Cape Observations. Regarding his father. Comments on the 'Equalizations of stars.' [Written on an experimental leaf photographic plate.]

Contributor:
John Herschel Project
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