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From:
Thomas Young
To:
Sir John Herschel
Date:
[1829-5 or earlier]
Source of text:
RS:HS 18.353
Summary:

Measurement of moon's diameter and distance. Expects JH will soon have 'official authority over me' and [Nautical Almanac]. Astronomers probably regulate sidereal clock by variable equinox because they cannot find a fixed one. Errors in JH's equinoctial time.

Contributor:
John Herschel Project
Text Online
From:
R. T. Lowe
To:
J. S. Henslow
Date:
6 May 1829
Source of text:
Cambridge University Library MS Add. 8176: 112
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online
From:
John Lindley
To:
J. S. Henslow
Date:
12 May 1829
Source of text:
Cambridge University Library MS Add. 8176: 114
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[14 May 1829]
Source of text:
TxU:H/L-0521.3; Reel 1053
Summary:

Margaret's cold developed into serious fever, similar to those of Isabella and Mrs. Stewart. Financial transactions. Visited Duke of Wellington yesterday with Wolryche Whitmore on behalf of Charles Babbage. Fears Babbage's case will not go well. James Grahame is in London. Mrs. Stewart asks if Isabella and her maid Catherine may stay at Slough. Received visits from Somervilles, Katers, and Dunlops. Death of Thomas Young.

Contributor:
John Herschel Project
From:
Margaret Brodie Herschel
To:
Mary Pitt Herschel
Date:
[15 May 1829]
Source of text:
TxU:H/L-0521.4; Reel 1053
Summary:

Isabella is eager to visit Slough. Called today on Charles Babbage's mother, who is anxious about her son. JH believes Babbage is reconciled to loss of government support. Lists social visitors. James Grahame plans to take daughter Matilda back to Nantes. Sir Edward Parry leaves for Australia for five years. [JH note:] Do not sell [horse] Zephyr until JH returns.

Contributor:
John Herschel Project
From:
Mary Pitt Herschel
To:
Sir John Herschel
Date:
[15 May 1829]
Source of text:
TxU:H/M-0625.6; Reel 1086
Summary:

Concern for Margaret Brodie Herschel's illness. Income from family holdings. Regards to James Grahame and his father.

Contributor:
John Herschel Project
Text Online
From:
W. J. Hooker
To:
J. S. Henslow
Date:
17 May 1829
Source of text:
Cambridge University Library MS Add. 8176: 115
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[17 May 1829]
Source of text:
TCD 1493:51
Summary:

Thanks WH for letter on [J. T.] Graves's paper [see WH's 1829-2-25]. Admits JH could be in error concerning Graves's doctrines, but will let mathematical world form its own opinion.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[17 May 1829]
Source of text:
TC, Camb. Add. Ms.a.20717 (C: RS:HS 21.47)
Summary:

Recommends G. B. Airy for superintendence of the Nautical Almanac. Expresses hope that Richard Jones's book will be published. Laments lack of recognition given to British scientists.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
William Darwin Fox
Date:
[18 May 1829]
Source of text:
Christ’s College Library, Cambridge (MS 53 Fox 15)
Summary:

Is getting the information WDF wanted about his bills;

adds some news of entomology.

Accepts invitation to visit Osmaston in August. Plans a June trip to Shrewsbury, a three-week trip in Wales with F. W. Hope.

Is doing nothing but riding and entomology.

Thinks WDF wise to defer going into orders.

Contributor:
Darwin Correspondence Project
From:
Mary Pitt Herschel
To:
Sir John Herschel
Date:
[18 May 1829]
Source of text:
TxU:H/M-0625.7; Reel 1086
Summary:

Bring Isabella Stewart to Slough on Wedesday.

Contributor:
John Herschel Project
From:
Adolphe Quetelet
To:
Sir John Herschel
Date:
[20 May 1829]
Source of text:
RS:HS 14.199
Summary:

Regrets tremendously not being home when JH visited. Wishes to present himself at JH's hotel this evening. Would like to spend tomorrow together. Will discuss translation of Light.

Contributor:
John Herschel Project
Text Online
From:
Jean-Jacques Ampère (fils d'Ampère)
To:
André-Marie Ampère
Date:
20 mai 1829
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 703.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
R. T. Lowe
To:
J. S. Henslow
Date:
22 May 1829
Source of text:
Cambridge University Library MS Add. 8176: 116
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[24 May 1829]
Source of text:
TxU:H/L-0521.5; Reel 1053
Summary:

JH's and Margaret's voyage from London with John Stewart and Mrs. Tucker. Met R. H. Inglis on ship. Plan to go to Cassell or St. Omer tomorrow. News of Stewart family.

Contributor:
John Herschel Project
Text Online
From:
Charles William Pasley
To:
Percy Drummond
Date:
25 May 1829
Source of text:
RMA WO150 / 4, f.33
Summary:

No summary available.

Contributor:
Faraday Project
From:
James South
To:
Sir John Herschel
Date:
25 May [1829]
Source of text:
RS:HS 16.478
Summary:

Reports unfavorably on the telescope of A. Rogers. Information regarding Charles Babbage and his engines. Controversy concerning the Nautical Almanac.

Contributor:
John Herschel Project
From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[26 May 1829]
Source of text:
RS:HS 14.338
Summary:

Releases JH from silence. Oxford University will publish portions of [James Bradley's] observations of comet of 1759 [see SR's 1829-3-18, 1829-3-25]. Never expected SR would trace and recover them.

Contributor:
John Herschel Project
Text Online
From:
Claude-Julien Bredin
To:
André-Marie Ampère
Date:
27 mai 1829
Source of text:
Lettres inédites de Claude-Julien Bredin (Lyon: 1936), p. 191-192.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
From:
Sir John Herschel
To:
Mary Pitt Herschel
Date:
[30 May 1829]
Source of text:
TxU:H/L-0521.6; Reel 1053
Summary:

Scenes in France and Flanders. Hotel is adjacent to king's palace. Made drawings of cathedral yesterday. Visited Waterloo today.

Contributor:
John Herschel Project