Search: Herschel, John in correspondent 
Babbage, Charles in correspondent 
1830-1839 in date 
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From:
Sir John Herschel
To:
Charles Babbage
Date:
[24 April 1833]
Source of text:
RS:HS 2.281
Summary:

Will not be in town until early June owing to pressure of work. Thanks for information on Van Dieman's Land, but they have decided on the Cape.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[10 June 1833]
Source of text:
RS:HS 2.282
Summary:

Outlines possible program for Wednesday.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[15 June 1833]
Source of text:
RS:HS 2.283
Summary:

Regarding Society matters. Small parcel has arrived for JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[6 July 1833]
Source of text:
RS:HS 2.284
Summary:

Let him know when the next Levee is.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[7 July 1833]
Source of text:
RS:HS 2.285
Summary:

Giving the date of the next Levee.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[9 February 1834]
Source of text:
RS:HS 2.286
Summary:

Is settled near Cape Town. Experiences on the voyage. Details of his telescope arrangements, and observations carried out.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[18 September 1834]
Source of text:
RS:HS 2.287
Summary:

Regarding his machine. Suggested modifications for it. Recent meeting of the B.A.A.S. Political events.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[23 December 1834]
Source of text:
RS:HS 2.288 & 25.4.5
Summary:

Regarding CB's machine. Edward Ryan's visit. Events at the Cape. Failure of his astronomical observations due to cloud conditions. Has been trying to stir up the South African Philosophical Society. Recent South African expedition.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[20 January 1835]
Source of text:
RS:HS 2.289
Summary:

Commiserating on CB's calamity.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[20 February 1836]
Source of text:
9th Treatise, 202-17
Summary:

Speculates on extinction of species by natural (not miraculous) causes intermediate to Creator. JH's theory of shifting crust over Earth's surface and its subsequent transfer of pressure. Seeks geological primum mobile for volcanoes based on continual deposition and melting of strata. 'All records of former worlds must ultimately perish.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[2 October 1837]
Source of text:
RS:HS 2.290a (ACCS: RS:HS 25.5.9)
Summary:

Comments on some parts of CB's Ninth Bridgewater Treatise, especially on CB's mathematical estimating of the credibility of miracles. JH shows that such a process cannot work. [Letter finished 1837-10-25.]

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
19] June [1838
Source of text:
RS:HS 2.400 (draft marked 'Most confidential': RS:HS 2.290a dated 1838-6-19; C:
Summary:

Has had a long letter from Frederick Augustus (Duke of Sussex), who wishes him to accept a baronetcy. JH's comments on this.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[15 August 1838]
Source of text:
RS:HS 2.291
Summary:

Regarding his party. Difficulties and accidents.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[5 January 1839]
Source of text:
RS:HS 2.292
Summary:

Will bring CB's 'Engine' to Slough tomorrow, together with Dionysius Lardner's apparatus, which CB has 'taught to write.'

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[2 March 1839]
Source of text:
RS:HS 2.293
Summary:

Making his last experiments on the morrow. Travels to and from Slough in the course of his experiments. Hopes JH will join him.

Contributor:
John Herschel Project