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Babbage, Charles in correspondent 
Herschel, John in correspondent 
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Herschel5398

From:
Charles Babbage
To:
Sir John Herschel
Date:
[1821?]
Source of text:
RS:HS 2.345
Summary:

Can JH deputize for him at the Astronomical Society meeting?

Contributor:
John Herschel Project

Herschel5399

From:
Charles Babbage
To:
Sir John Herschel
Date:
[1822?]
Source of text:
RS:HS 2.346
Summary:

Has had a letter from George Peacock. Regarding the Lucasian Professorship at Cambridge.

Contributor:
John Herschel Project

Herschel5400

From:
Charles Babbage
To:
Sir John Herschel
Date:
[1827?]
Source of text:
RS:HS 2.347
Summary:

Understands his intellectual pursuits. Gives address of his son [Adelaide].

Contributor:
John Herschel Project

Herschel5401

From:
Charles Babbage
To:
Sir John Herschel
Date:
n.d.
Source of text:
RS:HS 2.348
Summary:

Remarks on various equations.

Contributor:
John Herschel Project

Herschel5402

From:
Charles Babbage
To:
Sir John Herschel
Date:
1858
Source of text:
RS:HS 2.349
Summary:

Wishes to introduce an American friend, Professor Stephen Alexander, to JH.

Contributor:
John Herschel Project

Herschel5403

From:
Charles Babbage
To:
Sir John Herschel
Date:
1844
Source of text:
RS:HS 2.350
Summary:

She did wrong in letting him have JH's letter.

Contributor:
John Herschel Project

Herschel5404

From:
Charles Babbage
To:
Sir John Herschel
Date:
n.d.
Source of text:
RS:HS 2.351
Summary:

General family news.

Contributor:
John Herschel Project

Herschel5405

From:
Charles Babbage
To:
Sir John Herschel
Date:
[?-8?]
Source of text:
RS:HS 2.352
Summary:

Family news.

Contributor:
John Herschel Project

Herschel1239

From:
Sir John Herschel
To:
Charles Babbage
Date:
[17 November 1826]
Source of text:
RS:HS B27.2
Summary:

Tells CB that everyone is anxious to have CB allow his name to stand for the Secretaryship of the R.S.L. JH lists many names of people who have all said they would vote for CB.

Contributor:
John Herschel Project

Herschel1246

From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 November 1826]
Source of text:
RS:HS B27.9
Summary:

In describing the way in which J. G. Children was elected to the secretaryship, JH says 'the matter was irregularly brought by the President before a meeting of eight or nine persons whom he chose to call a council' to meet for a few minutes 'to transmit some business connected with the Treasurer's accounts.' JH feels Humphry Davy's actions will not be excused even by Davy's best friends.

Contributor:
John Herschel Project

Herschel1257

From:
Sir John Herschel
To:
Charles Babbage
Date:
[15 December 1854]
Source of text:
RS:HS B27.20
Summary:

Refuses to become a partisan in this conflict [see CB's 1854-12-13]. JH would only become involved if he felt he could be a peacemaker.

Contributor:
John Herschel Project

Herschel12621

From:
Sir John Herschel
To:
Charles Babbage
Date:
n.d.
Source of text:
TxU:H/L-0046; Reel 1054
Summary:

[Letter entirely 'in cipher' (code) except for 'Dear Babbage.']

Contributor:
John Herschel Project

Herschel12622

From:
Sir John Herschel
To:
Charles Babbage
Date:
[26 January 1814]
Source of text:
TxU:H/L-0047; Reel 1054
Summary:

Chemical news: decomposition of 'sulphuret of carbon' by J. J. Berzelius and Alexander Marcet. Analysis of 'azotane' and discovery of 'iode' by Humphry Davy. Congratulations on results of CB's examination.

Contributor:
John Herschel Project

Herschel12623

From:
Sir John Herschel
To:
Charles Babbage
Date:
[4 August 1814]
Source of text:
TxU:H/L-0048; Reel 1054
Summary:

Feigned reproach for CB's return to 'the Analytics.' Inquires about CB's 'Devonshire Ghost at Chudleigh.' Results of JH's chemistry experiments. Derides scientists who promote theory of 'akasch' as the one and only form of matter. Met Alexander Marcet in Greenwich.

Contributor:
John Herschel Project

Herschel12624

From:
Sir John Herschel
To:
Charles Babbage
Date:
[20 September 1814]
Source of text:
RS:HS 2.30 (C: RS:HS 20.19 & TxU:H/L-0049.1; Reel 1054)
Summary:

Gratitude for CB's friendship. Chemical supplies and instruments. Describes synthesis of 'Sulphurane' [S2Cl2] and other experiments. Theories of combustion and acids. [Letter continued on 1813-9-21:] JH avidly studying law, against father's wishes.

Contributor:
John Herschel Project

Herschel12625

From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 October 1814]
Source of text:
TxU:H/L-0049.2; Reel 1054
Summary:

CB has founded 'a calculus totally new and immensely powerful.'

Contributor:
John Herschel Project

Herschel12626

From:
Sir John Herschel
To:
Charles Babbage
Date:
[23 March 1815]
Source of text:
TxU:H/L-0050; Reel 1054
Summary:

Attending E. D. Clarke's mineralogy lectures. JH's analysis of dioptase.

Contributor:
John Herschel Project

Herschel12627

From:
Sir John Herschel
To:
Charles Babbage
Date:
[9 November 1818]
Source of text:
RS:HS 2.97 (C: RS:HS 20.57 & TxU:H/L-0051.1; Reel 1054 inc)
Summary:

Welcome back to London. Explain CB's demonstration of 'theorem in transcendental arithmetic.' JH's observations of 'new acid' [hyposulfurous] and optical phenomena in 'chrystals of nitre.'

Contributor:
John Herschel Project

Herschel12628

From:
Sir John Herschel
To:
Charles Babbage
Date:
[2 December 1818]
Source of text:
TxU:H/L-0051.2; Reel 1054
Summary:

Cannot meet CB in London this week. Has verified composition of [hyposulfurous] acid. Encloses crystal of 'sulpho=sulphite of lime.'

Contributor:
John Herschel Project

Herschel12629

From:
Sir John Herschel
To:
Charles Babbage
Date:
[6 December 1818]
Source of text:
TxU:H/L-0051.3; Reel 1054
Summary:

Fifth [1817] edition of Thomas Thomson's System of Chemistry shows previous discovery of JH's 'new acid,' but its reported composition is wrong.

Contributor:
John Herschel Project
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