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Babbage, Charles in correspondent 
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From:
Sir John Herschel
To:
Charles Babbage
Date:
[12 January 1814]
Source of text:
RS:HS 2.20 (C: RS:HS 20.15)
Summary:

Has had the bill for the printing of their memoir. Ways of raising money to pay for the printing. Comments on one of CB's equations. Will be entering Lincoln's Inn in a week's time.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[21 January 1814]
Source of text:
RS:HS 2.21
Summary:

Regarding the proposed method of raising funds to pay for printing of the memoir. Justifies his equation queried by JH. Would he purchase certain chemicals for him.

Contributor:
John Herschel Project
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
From:
Sir John Herschel
To:
Charles Babbage
Date:
[26 January 1814]
Source of text:
RS:HS 2.22 (C: RS:HS 20.16)
Summary:

Is sending chemicals. Regarding Humphry Davy's experiments with azotane. Davy's paper on iodine.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1814-4
Source of text:
RS:HS 2.23
Summary:

Will be in town and requests addresses of shops where certain experimental apparatus can be purchased. Send [H. E.?] Roscoe's direction.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[4 July 1814]
Source of text:
RS:HS 2.24
Summary:

Has been working on analysis. Gives equations he has solved. Has met a mineralogist.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[1 August 1814]
Source of text:
RS:HS 2.25
Summary:

Their 'Analytical' has not been reviewed in the Edinburgh Review. Has married. Looking out for a situation. Gives an equation dealing with relative functions.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1814-8
Source of text:
RS:HS 2.27
Summary:

Sends equations in operational calculus.

Contributor:
John Herschel Project
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
From:
Sir John Herschel
To:
Charles Babbage
Date:
[4 August 1814]
Source of text:
RS:HS 2.26 (C: RS:HS 20.17)
Summary:

Comments on the equation sent by CB. Has been experimenting with potassium.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[7 August 1814]
Source of text:
RS:HS 2.28 (C: RS:HS 20.18)
Summary:

Regarding CB's marriage. Possibility of a suitable situation for him.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[10 August 1814]
Source of text:
RS:HS 2.29
Summary:

Temper and stinginess of CB's father. Seeking job in mining through Mr. Champernowne, local mineralogist. Describes CB's elopement, marriage by former tutor, and new residence. Considered career in Church when CB had prospect of inheriting fortune from CB's father, but that is no longer possible. Gives an equation for discussion.

Contributor:
John Herschel Project
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
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
From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 October 1814]
Source of text:
RS:HS 2.31 (C: RS:HS 20.20)
Summary:

Praising CB's functional equations. How to become an F.R.S. Conditions at Slough. Hears that he is coming to live in London.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
1814-11
Source of text:
RS:HS 2.33 (C: RS:HS 20.21)
Summary:

Has executed all of CB's commissions. Hopes to meet Charles Shadwell when in town. Is in the throes of exams. Thinking of taking up mathematics. Relates further chemical experiments.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[14 November 1814]
Source of text:
RS:HS 2.32
Summary:

Thanking him for the paper on analysis. Has been to see Sir Joseph Banks. Hopes to see JH soon.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[12 December 1814]
Source of text:
RS:HS 2.34
Summary:

Why hasn't he written? Further regarding Charles Shadwell's advice. Is preparing his paper on functions so that JH or William Herschel can communicate it to the R.S.L.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[11 February 1815]
Source of text:
RS:HS 2.35
Summary:

Explaining his new theory of the atmospheres of the sun, planets, and stars.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[16 February 1815]
Source of text:
RS:HS 2.36 (C: RS:HS 20.22)
Summary:

Regarding CB's theory of the atmosphere of the sun, planets, and stars.

Contributor:
John Herschel Project