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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
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
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
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
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
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
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
From:
Sir John Herschel
To:
Charles Babbage
Date:
[17 February 1819]
Source of text:
RS:HS 2.109 (C: RS:HS 20.65)
Summary:

Would he please forward the letters and papers which he left behind.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[19 February 1819]
Source of text:
RS:HS 2.110 (C: RS:HS 20.66)
Summary:

Is anxious to hear how his wounds are progressing. Will not be able to come to town yet owing to various circumstances. New chemical experiments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 March 1819]
Source of text:
RS:HS 2.113 (C: RS:HS 20.68)
Summary:

Regarding the disposal of the tourmaline. Address of his cousin. Drawing and description of the apparatus for experiments on tourmaline. Chemical experiments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[8 May 1819]
Source of text:
RS:HS 2.116 (C: RS:HS 20.69 & C inc: TxU:H/L-0051.5; Reel 1054)
Summary:

Answers CB's question on the equation. Hopes to see him in London shortly. Chemical experiments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
1819-7
Source of text:
RS:HS 2.119 (C: RS:HS 20.72)
Summary:

Wishing CB success in his efforts to obtain the position of professor at Edinburgh. Relates details of his recent experiments with bicarbonate of potash.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
1819-[9]
Source of text:
RS:HS 2.121 (C: RS:HS 20.73)
Summary:

Sorry to hear of his failure at Edinburgh. Inviting him to Slough. Enquiring about the people CB met at Edinburgh.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[13 October 1819]
Source of text:
RS:HS 2.123 (C: RS:HS 20.75)
Summary:

Will not be in town until Tuesday afternoon. Has been speculating on a means of telegraphic communication between himself and CB.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[17 January 1820]
Source of text:
RS:HS 2.125 (C: RS:HS 20.81)
Summary:

Would he please send back some of his papers on astronomy as he wants them in order to draw up a prospectus.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[2 February 1820]
Source of text:
RS:HS 2.127 (C: RS:HS 20.83)
Summary:

Regarding the forthcoming meeting of the Astronomical Society. The printing of his own address. Is preparing a paper on functional equations. Is prepared to accept the office of Foreign Secretary of the Astronomical Society.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[19 March 1820]
Source of text:
RS:HS 2.130 (C: RS:HS 20.85)
Summary:

Was unable to attend the meeting of the Astronomical Society Council. Has heard the news regarding the president. Gives a problem of chance. Regarding the printing of the supplement.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[4 April 1820]
Source of text:
RS:HS 2.133 (C: RS:HS 20.87)
Summary:

Will be going to Cambridge to try for the vacant professorship. Remarks on his reasons for applying for the post. His recent experiments with quartz.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[12 April 1820]
Source of text:
RS:HS 20.88
Summary:

About plans for journey to visit CB in Cornwall, and to go beyond.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[20 April 1820]
Source of text:
RS:HS 2.134
Summary:

Reasons why his father does not wish to become the president of the Astronomical Society. Has attended a meeting of the Philosophical Society. Please send three or four copies of the address of the Astronomical Society.

Contributor:
John Herschel Project