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DCP-LETT-99

From:
John Maurice Herbert
To:
Charles Robert Darwin
Date:
[early May 1831]
Source of text:
DAR 204: 35
Summary:

Asks CD to accept a Coddington microscope, which accompanies his anonymous note.

Compliments CD on talent and sincerity.

Contributor:
Darwin Correspondence Project

Herschel1016

From:
Sir John Herschel
To:
William Rutter Dawes
Date:
[1 May 1831]
Source of text:
RS:HS 25.2.5
Summary:

Is very pleased with the results of WD's double star observations of Zeta Cancri, which William Stratford forwarded to JH.

Contributor:
John Herschel Project
Text Online

HENSLOW-169

From:
William Christy Jr
To:
J. S. Henslow
Date:
6 May 1831
Source of text:
Cambridge University Library MS Add. 8176: 208
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
Text Online

L765

From:
André-Marie Ampère
To:
Jean-Jacques Ampère (fils d'Ampère)
Date:
7 mai 1831
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 731-732.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère
Text Online

L764

From:
Gabriel Ride (gendre d'Ampère)
To:
André-Marie Ampère
Date:
7 mai 1831
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 732.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère

DCP-LETT-100

From:
Charles Robert Darwin
To:
William Darwin Fox
Date:
[11 May 1831]
Source of text:
Christ’s College Library, Cambridge (MS 53 Fox 40)
Summary:

CD’s father has given him £200 to settle his debts.

He is delighted by a magnificent anonymous gift of a microscope.

Sees a good deal of the Henslows who are expecting a child soon.

CD still talks of the "Canary scheme"; he is learning Spanish.

Contributor:
Darwin Correspondence Project

Herschel11126

From:
Henry Kater
To:
Sir John Herschel
Date:
[12 May 1831]
Source of text:
RS:HS 11.16
Summary:

Sends details of the measurement of Wilhelm Struve's standard. Is pleased that JH has given an invitation to [E. de?] Beaumont, who is anxious to become an astronomer and is about to spend £1,200 on instruments. Wishes that JH appeared in town more often.

Contributor:
John Herschel Project

Herschel2655

From:
Mary Somerville
To:
Margaret Brodie Herschel
Date:
12 May] [1831
Source of text:
RS:HS 16.346
Summary:

Accepts her invitation.

Contributor:
John Herschel Project
Text Online

Faraday0495

From:
Michael Faraday
To:
John Griscom
Date:
13 May 1831
Source of text:
PML R-V Autogrs. Misc.- English
Summary:

No summary available.

Contributor:
Faraday Project

Herschel1017

From:
Sir John Herschel
To:
Francis Baily
Date:
[13 May 1831]
Source of text:
RS:HS 25.2.6
Summary:

Suggests an improvement in measuring techniques for astronomical observations, by making the angular measurement by direct and then reflected vision. JH wonders whether this idea might be appended to a paper currently under consideration by the R.A.S.

Contributor:
John Herschel Project

Herschel9077

From:
Sir John Herschel
To:
William Whewell
Date:
[16 May 1831]
Source of text:
TC, Camb. Add. Ms.a.20720 (C: RS:HS 21.81)
Summary:

Is sending WW a large collection of writings on optics and light.

Contributor:
John Herschel Project

Herschel1018

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[17 May 1831]
Source of text:
RS:HS 25.2.7
Summary:

Discusses a variety of observations related to double stars, and asks FS to make some specific observations to compare with JH's work. Reveals JH's dream of going to the Southern Hemisphere for a number of years, but asks FS to keep it quiet, as 'many ties' stand in the way.

Contributor:
John Herschel Project

Herschel5971

From:
Francis Baily
To:
Sir John Herschel
Date:
[19 May 1831]
Source of text:
RS:HS 3.95
Summary:

Vacant rooms at Somerset House and possibility of the R.A.S. being allocated some. Suggests a meeting with Frederick Augustus (Duke of Sussex) to press their cause.

Contributor:
John Herschel Project

Herschel5972

From:
Francis Baily
To:
Sir John Herschel
Date:
[21 May 1831]
Source of text:
RS:HS 3.96
Summary:

Further remarks on the possibility of rooms for R.A.S. at Somerset House. Will be pleased to see him at the visitation. Is working on a paper on the proper motion of the stars.

Contributor:
John Herschel Project
Text Online

Faraday0495a

From:
Michael Faraday
To:
Peter Mark Roget
Date:
21 May 1831
Source of text:
UKL W. Hugh Peal Collection
Summary:

No summary available.

Contributor:
Faraday Project

Herschel3755

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[22 May 1831]
Source of text:
TxU:H/L-0576.3; Reel 1058
Summary:

Has determined the periods of four double stars. JH considers the determination of the elliptical orbits of double stars as 'one of the greatest [discoveries] ever made.'

Contributor:
John Herschel Project

Herschel9547

From:
James David Forbes
To:
Sir John Herschel
Date:
[23 May 1831]
Source of text:
RS:HS 7.275
Summary:

When they last met, JH had promised to show him some of the wonders of his 20-ft. reflector. Is in town for a few days and would welcome the chance of visiting him.

Contributor:
John Herschel Project
Text Online

L766

From:
André-Marie Ampère
To:
Jean-Jacques Ampère (fils d'Ampère)
Date:
24 mai 1831
Source of text:
Correspondance du Grand Ampère (Paris: 1936), p. 732-733.
Summary:

No summary available.

Contributor:
La Correspondance d’André-Marie Ampère

SOMERVILLE247

From:
Mary Somerville
To:
John Herschel
Date:
25 May 1831?
Source of text:
HS 16.344, RS
Summary:

No summary available.

Contributor:
Brigitte Stenhouse

Herschel10068

From:
James Grahame
To:
Sir John Herschel
Date:
[26 May 1831]
Source of text:
RS:HS 8.405
Summary:

Of JG's travels in the south of France, fighting in France, and family news.

Contributor:
John Herschel Project
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