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Babbage, Charles in author 
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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

Herschel5393

From:
Charles Babbage
To:
Sir John Herschel
Date:
[1819?]
Source of text:
RS:HS 2.340
Summary:

Would he like to come for a trip down the river to see W. E. Parry's Expedition ships? Query regarding quartz crystals. Date for Pearsonian dinner.

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

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

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

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
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