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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

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

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

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

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

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

Herschel5158

From:
Charles Babbage
To:
Sir John Herschel
Date:
[7 January 1819]
Source of text:
RS:HS 2.108
Summary:

Gives equation. Is arranging the visit to Paris.

Contributor:
John Herschel Project

Herschel5161

From:
Charles Babbage
To:
Sir John Herschel
Date:
[19 February 1819]
Source of text:
RS:HS 2.111
Summary:

Relates the details of his accident. Gives equations and theorems.

Contributor:
John Herschel Project

Herschel5162

From:
Charles Babbage
To:
Sir John Herschel
Date:
[21 March 1819]
Source of text:
RS:HS 2.112
Summary:

Has had some more tourmaline sent. Gives some more equations. Chemical experiments.

Contributor:
John Herschel Project

Herschel5164

From:
Charles Babbage
To:
Sir John Herschel
Date:
[6 March 1819]
Source of text:
RS:HS 2.114
Summary:

Has dispatched the tourmaline. His chemical experiments. Circulating functions solving chance problems. [Letter postmarked 1819-3-29.]

Contributor:
John Herschel Project

Herschel5165

From:
Charles Babbage
To:
Sir John Herschel
Date:
[14 April 1819]
Source of text:
RS:HS 2.115
Summary:

Has received papers from J. B. Biot. Has been to the Customs and Excise. Functional equations.

Contributor:
John Herschel Project

Herschel5167

From:
Charles Babbage
To:
Sir John Herschel
Date:
[24 July 1819]
Source of text:
RS:HS 2.117
Summary:

Has just returned from Lincolnshire. Will shortly be visiting Torquay. Would like to call on him if convenient. Has heard of a vacant professorship at Edinburgh University and may try for it. Gives an equation of W. H. Wollaston's.

Contributor:
John Herschel Project

Herschel5168

From:
Charles Babbage
To:
Sir John Herschel
Date:
[25 July 1819]
Source of text:
RS:HS 2.118
Summary:

Is going to Edinburgh to apply for the post left vacant by John Playfair's death. Would JH and his father give him certificates and references? [Note by Mrs. CB to the effect that her husband has heard that James Ivory will not be contesting the professorship at Edinburgh].

Contributor:
John Herschel Project

Herschel5170

From:
Charles Babbage
To:
Sir John Herschel
Date:
[8 August 1819]
Source of text:
RS:HS 2.120
Summary:

Apologizes for the long delay in answering his letter. Relates experiences and hopes of success in his effort to obtain the position of professor at the University.

Contributor:
John Herschel Project

Herschel5172

From:
Charles Babbage
To:
Sir John Herschel
Date:
[13 October 1819]
Source of text:
RS:HS 2.122
Summary:

Has just returned from Edinburgh and found JH's letter awaiting him. Relates various experiences in Edinburgh. Recent discoveries in his chemical experiments.

Contributor:
John Herschel Project

Herschel5174

From:
Charles Babbage
To:
Sir John Herschel
Date:
[5 January 1820]
Source of text:
RS:HS 2.124
Summary:

Please send instructions as to how he would like the rock crystals cut so that he can pass the instructions on to Wilson Lowry. Is sending two drawings of JH. Has heard from David Brewster that Edinburgh has established a prize like that of Benjamin Thompson (Count Rumford).

Contributor:
John Herschel Project
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