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From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[7 March 1825]
Source of text:
unknown
Summary:

Wishes JH a happy birthday. Finished the catalogue of 2500 nebulae.

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[27 March 1825]
Source of text:
unknown
Summary:

Explains the layout of her recently completed catalogue of 2500 nebulae.

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[3 May 1825]
Source of text:
unknown
Summary:

The Duke of Cambridge inquired about JH's research interests.

Contributor:
John Herschel Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[20 September 1825]
Source of text:
unknown
Summary:

Her social life is rather boring at the moment because CH is busy caring for her sick brother Dietrich.

Contributor:
John Herschel Project
Text Online
From:
Charles Babbage
To:
Michael Faraday
Date:
20 October 1825
Source of text:
RI MS
Summary:

No summary available.

Contributor:
Faraday Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[30 November 1825]
Source of text:
RS:HS 2.201
Summary:

Regarding [William?] French and G. B. Airy. Will breakfast with JH on Sunday. Going to Cambridge on Monday and would like his company.

Contributor:
John Herschel Project
From:
Charles L. Harding
To:
Sir John Herschel
Date:
[7 August 1825]
Source of text:
RS:HS 9.234
Summary:

Thanks for the double star catalogue of JH and James South; comments on observing Encke's and Biela's comets.

Contributor:
John Herschel Project
From:
Charles Wheatstone
To:
Sir John Herschel
Date:
[23 August 1825]
Source of text:
RS:HS 18.144
Summary:

Appreciates JH's interest in and encouragement of CW's experiments. Describes new experiments to elucidate theory of undulatory motion of sound and light. Invented 'kaleidophone' to display paths of vibrating rods. Hopes JH can confirm these results.

Contributor:
John Herschel Project
Text Online
From:
Charles-Gaspard De La Rive
To:
Michael Faraday
Date:
28 May 1825
Source of text:
RI MS F3 B139
Summary:

No summary available.

Contributor:
Faraday Project
Text Online
From:
Claude-Julien Bredin
To:
André-Marie Ampère
Date:
27 juillet 1825
Source of text:
Lettres inédites de Claude-Julien Bredin (Lyon: 1936), p. 174-175.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
Claude-Julien Bredin
To:
André-Marie Ampère
Date:
20 septembre 1825
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 681.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
Claude-Julien Bredin
To:
André-Marie Ampère
Date:
octobre 1825
Source of text:
Lettres inédites de Claude-Julien Bredin (Lyon: 1936), p. 178-180.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
Claude-Julien Bredin
To:
André-Marie Ampère
Date:
16 octobre 1825
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 682.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
J. S. Copley
To:
J. S. Henslow
Date:
19 December 1825
Source of text:
Cambridge University Library MS Add. 8339/9
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Cornelis Adriaan Bergsma
To:
Sir James Edward Smith
Date:
1 Feb 1825
Source of text:
GB-110/JES/COR/2/40, The Linnean Society of London
Summary:

Queries on 'Thea' for his dissertation on same: asks why Linnaeus' named two species, 'Thea bohea' and 'T. viridis', asks that Smith consult Linnaean specimens.

[Smith has noted his reply of 12 February 1825] Relates his findings following examination of Linnaeus' specimens; confusion caused by the Chinese sending specimens of species of 'Thea' and 'Camelliae' to Europe under guise of different teas; has never been able to find any specific difference between 'T. bohea' and 'T. viridis'.

Contributor:
The Linnean Society of London
Text Online
From:
John Curtis
To:
J. S. Henslow
Date:
3 April 1825
Source of text:
Cambridge University Library MS Add. 8176: 27
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Charles Robert Darwin
To:
Robert Waring Darwin
Date:
[23 Oct 1825]
Source of text:
DAR 154: 68
Summary:

First days in Edinburgh.

Contributor:
Darwin Correspondence Project
From:
Emily Catherine (Catherine) Darwin; Emily Catherine (Catherine) Langton
To:
Charles Robert Darwin
Date:
[26 Oct 1825]
Source of text:
DAR 204: 21
Summary:

Shrewsbury news.

Glad he likes Edinburgh.

They have been going to plays performed by a travelling company he knows.

Contributor:
Darwin Correspondence Project
From:
Emily Catherine (Catherine) Darwin; Emily Catherine (Catherine) Langton; Susan Elizabeth Darwin
To:
Charles Robert Darwin
Date:
4 Dec [1825]
Source of text:
DAR 204: 22
Summary:

Family news.

Contributor:
Darwin Correspondence Project
From:
Erasmus Alvey Darwin
To:
Charles Robert Darwin
Date:
[10 Jan 1825]
Source of text:
DAR 204: 7
Summary:

Saw a mineral salesman, but he had nothing CD does not already have.

EAD has a piece of petrified sponge and some curious coal that John Price pulled out of his fire.

Griffith’s Animal kingdom [Griffith, Edward, et al. 1827–35. The animal kingdom arranged in conformity with its organization, by the Baron Cuvier, … with additional descriptions of all the species hitherto named, and of many not before noticed. 16 vols. London] just being published. He is sure CD would like it.

Contributor:
Darwin Correspondence Project