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Text Online
From:
André-Marie Ampère
To:
?
Date:
1825
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 675-676.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
André-Marie Ampère
To:
Humphry Davy
Date:
1825
Source of text:
Correspondance du Grand AmpèreRevue générale d'Électricité (Paris: 1936(numéro spécial) novembre 1922), p. 679-680p. 103..
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
André-Marie Ampère
To:
Michael Faraday
Date:
1825
Source of text:
().
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
Adam Sedgwick
To:
J. S. Henslow
Date:
1842
Source of text:
Cambridge University Library MS Add. 8177: 280
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
C. Goring
To:
Sir John Herschel
Date:
1825-1
Source of text:
RS:HS 8.225
Summary:

Query regarding the diagrams in one of JH's articles in R.S.P.T. Has purchased one of the compound lenses on JH's recommendation, and relates some experiments with it. Would be pleased for JH to call at his house.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[1825?]
Source of text:
RS:HS 2.366
Summary:

Is sorry he will be unable to see him. Is sending copies of their paper for distribution.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James South
Date:
[1825?]
Source of text:
RS:HS 16.479 (C: RS:HS 25.13.27)
Summary:

Has examined Edward Sabine's transit measurements; finds them unproblematic.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James South
Date:
[1825]
Source of text:
RS:HS 16.481 (C: RS:HS 25.13.26)
Summary:

Has represented JS's interests as best JH can regarding JS's proposal. Describes himself as unskillful in such representations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James South
Date:
[1825?]
Source of text:
RS:HS 16.482 (C: RS:HS 25.13.28)
Summary:

Defends Edward Sabine's transit observations, noting that JH supports them on practical rather than theoretical grounds.

Contributor:
John Herschel Project
From:
William Hyde Wollaston
To:
Sir John Herschel
Date:
[1825 to 1827]-[?]-2
Source of text:
RS:HS 18.288
Summary:

Encloses paper sent by Mr. Perkins for R.S.L, and impression just received from printer.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Lunn
Date:
5 January [1825]
Source of text:
RS:HS 11.412verso
Summary:

Concludes original letter lost. Impossible to do any further work for the Encyclopaedia Metropolitana. Hopes FL will write the article.

Contributor:
John Herschel 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 [Georges Cuvier, The animal kingdom … with additional descriptions of species by Edward Griffith (1827–35)] just being published. He is sure CD would like it.

Contributor:
Darwin Correspondence Project
From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[14 January 1825]
Source of text:
unknown
Summary:

Completing the catalogue of 2500 nebulae. Impressed with a French biography of William Herschel, although CH notes a few occasions where 'too great a stress is laid on the assistance of others.'

Contributor:
John Herschel Project
From:
Francis Lunn
To:
Sir John Herschel
Date:
14 January [1825]
Source of text:
RS:HS 11.413
Summary:

Their letters have missed more than once, and JH's last letter is now at the Return Office. Would like to see this letter to learn JH's views on the article on Heat. Gives own ideas how article should be written, too busy himself, so hopes JH can write it, or does he know any other person?

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Giovanni Antonio Plana
Date:
[14 January 1825]
Source of text:
RS:HS 13.413 (C (inc): RS:HS 20.195)
Summary:

Apologizes for delay in writing. Describes JH's travels across Europe back to England. Is sending GP copies of JH's papers in physics, mathematics, and astronomy, especially double stars. Describes a new instrument, a floating collimator, described by Henry Kater at the R.S.L. [Rough notes for a later letter on the back of part of this one.]

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Giovanni B. Amici
Date:
[14 January 1825]
Source of text:
RS:HS 1.334 & 20.194
Summary:

Thanking him for his friendly reception when in Italy. Is sending GA journals and pamphlets likely to be of interest to him. Regarding various papers on the electrization of mercury. Please send details of Giuseppe Bianchi's barometer.

Contributor:
John Herschel Project
Text Online
From:
F. Dumouchel
To:
André-Marie Ampère
Date:
15 janvier 1825
Source of text:
Fonds André-Marie Ampère chemise 351, Archives de l'Académie des sciences, Paris
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online
From:
André-Marie Ampère
To:
Marc-Auguste Pictet
Date:
16 janvier 1825
Source of text:
Correspondance. Sciences et techniques, t. II Les correspondants français (Genève: 1998), p. 56-57.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
From:
James Hudson
To:
Sir John Herschel
Date:
1825 -1-16
Source of text:
RS:HS B26.26
Summary:

Sends JH a sketch of an experiment already made.

Contributor:
John Herschel Project
From:
Erasmus Alvey Darwin
To:
Charles Robert Darwin
Date:
[17 Jan 1825]
Source of text:
DAR 204: 8
Summary:

Proposes a dry place for the apparatus for their laboratory and draws a plan for CD’s criticism.

Price has found black sediment in his tea, which was attracted to a magnet.

Contributor:
Darwin Correspondence Project