Search: 1810-1819::1818 in date 
Babbage, Charles in correspondent 
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Herschel5141

From:
Sir John Herschel
To:
Charles Babbage
Date:
[10 March 1818]
Source of text:
RS:HS 2.90 (C: RS:HS 20.53)
Summary:

Would like comments on the accompanying paper on functional equations. Stephen Lee [of the R.S.L.] has revived the reading of Isaac Newton in Paris.

Contributor:
John Herschel Project

Herschel5142

From:
Charles Babbage
To:
Sir John Herschel
Date:
[16 March 1818]
Source of text:
RS:HS 2.91
Summary:

Comments on his paper sent previously [see JH's 1818-3-10]. Time has been taken up with mineralogy. Is sending some samples.

Contributor:
John Herschel Project

Herschel5144

From:
Charles Babbage
To:
Sir John Herschel
Date:
1818-4
Source of text:
RS:HS 2.93
Summary:

Cannot help him with the Commercium epistolicum [by Pierre Fermat]. Leaving town for a few days. Regarding the kaleidoscope.

Contributor:
John Herschel Project

Herschel5143

From:
Sir John Herschel
To:
Charles Babbage
Date:
[26 April 1818]
Source of text:
RS:HS 2.92 (C: RS:HS 20.54)
Summary:

Please send the third volume of J. E. Montucla's Histoire de mathématiques. Is running into difficulties with his history of mathematics owing to lack of translations. Regarding kaleidoscopes. Has been reading David Brewster's experiments on Mother of pearl.

Contributor:
John Herschel Project

Herschel5145

From:
Sir John Herschel
To:
Charles Babbage
Date:
[16 May 1818]
Source of text:
RS:HS 2.94 (C: RS:HS 20.55)
Summary:

Thanking him for the third volume of J. E. Montucla's Histoire de mathématiques. Gives functional equations for his comments. Is afraid that he will not be able to visit Cornwall this summer.

Contributor:
John Herschel Project

Herschel5146

From:
Charles Babbage
To:
Sir John Herschel
Date:
[24 July 1818]
Source of text:
RS:HS 2.95
Summary:

Wishes to leave town and spend a few weeks in Torquay. Would JH join him? Has new theorem on functions.

Contributor:
John Herschel Project

Herschel5147

From:
Charles Babbage
To:
Sir John Herschel
Date:
[13 October 1818]
Source of text:
RS:HS 2.96
Summary:

Gives some analytical equations for his comments.

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

Herschel5148

From:
Charles Babbage
To:
Sir John Herschel
Date:
[10 November 1818]
Source of text:
RS:HS 2.98
Summary:

Wants his support for his own application for a post on the Board of Longitude.

Contributor:
John Herschel Project

Herschel5149

From:
Charles Babbage
To:
Sir John Herschel
Date:
[26 November 1818]
Source of text:
RS:HS 2.99
Summary:

When he comes up to town would he please bring Biot's work. Wants to show JH a paper on series. Has just had a visit from Edward Sabine, newly returned from Greenland.

Contributor:
John Herschel Project

Herschel5150

From:
Charles Babbage
To:
Sir John Herschel
Date:
[1 December 1818]
Source of text:
RS:HS 2.100
Summary:

Astronomer Royal's post at Greenwich vacant; hopes JH will try for it. Has not been successful in getting on the Board of Longitude. Hopes to spend a fortnight in Paris after Christmas.

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

Herschel5151

From:
Sir John Herschel
To:
Charles Babbage
Date:
[2 December 1818]
Source of text:
RS:HS 2.101 (C: RS:HS 20.59)
Summary:

Thanks CB for his advice about applying for the post of Astronomer Royal when it becomes vacant, but does not think himself qualified. Will not be able to come to London this weekend. Regarding his new acid.

Contributor:
John Herschel Project

Herschel5152

From:
Charles Babbage
To:
Sir John Herschel
Date:
[4 December 1818]
Source of text:
RS:HS 2.102
Summary:

Urges JH to apply for the Greenwich post. Quotes extract from Thomas Thomson on chemistry. Gives equations for his comments. Has found a new method of producing household gas.

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

Herschel5153

From:
Sir John Herschel
To:
Charles Babbage
Date:
[6 December 1818]
Source of text:
RS:HS 2.103 (C: RS:HS 20.60)
Summary:

Thanking CB for CB's further remarks on the Greenwich post. Further regarding his new acid.

Contributor:
John Herschel Project

Herschel5154

From:
Sir John Herschel
To:
Charles Babbage
Date:
[12 December 1818]
Source of text:
RS:HS 2.104 (C: RS:HS 20.61)
Summary:

Remarks on CB's article on analysis and the examples used. Hopes to see him at Christmas; then they can talk about the projected visit to Paris.

Contributor:
John Herschel Project

Herschel5155

From:
Charles Babbage
To:
Sir John Herschel
Date:
[16 December 1818]
Source of text:
RS:HS 2.105
Summary:

Regarding one of JH's papers in the Analytical. P.S. dated 19 Dec.: Is glad to hear he would like to go to Paris.

Contributor:
John Herschel Project

Herschel5156

From:
Sir John Herschel
To:
Charles Babbage
Date:
[20 December 1818]
Source of text:
RS:HS 2.106
Summary:

Hopes CB will visit Slough soon to discuss the proposed trip to Paris. Gives a sketch of his investigations on theorems connected with series.

Contributor:
John Herschel Project

Herschel5157

From:
Charles Babbage
To:
Sir John Herschel
Date:
[22 December 1818]
Source of text:
RS:HS 2.107
Summary:

Will visit him at Christmas. Regarding the theorem quoted by JH [see JH's 1818-12-20].

Contributor:
John Herschel Project
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