Search: letter in document-type 
Babbage, Charles in author 
Sorted by:

Showing 2140 of 233 items

From:
Charles Babbage
To:
Sir John Herschel
Date:
[24 September 1813]
Source of text:
RS:HS 2.18
Summary:

Will be visiting London shortly and hopes to purchase some experimental equipment to carry out experiments with heat.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[21 January 1814]
Source of text:
RS:HS 2.21
Summary:

Regarding the proposed method of raising funds to pay for printing of the memoir. Justifies his equation queried by JH. Would he purchase certain chemicals for him.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1814-4
Source of text:
RS:HS 2.23
Summary:

Will be in town and requests addresses of shops where certain experimental apparatus can be purchased. Send [H. E.?] Roscoe's direction.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[4 July 1814]
Source of text:
RS:HS 2.24
Summary:

Has been working on analysis. Gives equations he has solved. Has met a mineralogist.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[1 August 1814]
Source of text:
RS:HS 2.25
Summary:

Their 'Analytical' has not been reviewed in the Edinburgh Review. Has married. Looking out for a situation. Gives an equation dealing with relative functions.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1814-8
Source of text:
RS:HS 2.27
Summary:

Sends equations in operational calculus.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[10 August 1814]
Source of text:
RS:HS 2.29
Summary:

Temper and stinginess of CB's father. Seeking job in mining through Mr. Champernowne, local mineralogist. Describes CB's elopement, marriage by former tutor, and new residence. Considered career in Church when CB had prospect of inheriting fortune from CB's father, but that is no longer possible. Gives an equation for discussion.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[14 November 1814]
Source of text:
RS:HS 2.32
Summary:

Thanking him for the paper on analysis. Has been to see Sir Joseph Banks. Hopes to see JH soon.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[12 December 1814]
Source of text:
RS:HS 2.34
Summary:

Why hasn't he written? Further regarding Charles Shadwell's advice. Is preparing his paper on functions so that JH or William Herschel can communicate it to the R.S.L.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[11 February 1815]
Source of text:
RS:HS 2.35
Summary:

Explaining his new theory of the atmospheres of the sun, planets, and stars.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[15 March 1815]
Source of text:
RS:HS 2.37
Summary:

Regarding the vacant post of Professor of Chemistry at Cambridge. Has heard that the works of Leonhard Euler are being reprinted. Would he obtain the return of one of CB's books from Mr. Higman.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[25 September 1815]
Source of text:
RS:HS 2.41
Summary:

Is sending a problem in analysis for his comments. Gives solution to functional equations of the second degree. Hopes to see him when he passes on his way to Cambridge.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[28 October 1815]
Source of text:
RS:HS 2.43
Summary:

Wished JH had visited him when in London. Gives some functional equations for his comments. Wants a form in order that he (CB) may be elected to the R.S.L.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[9 November 1815]
Source of text:
RS:HS 2.45
Summary:

Regarding his own functional theories. Let him know when next in town.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[13 November 1815]
Source of text:
RS:HS 2.46
Summary:

Newman has sent the apparatus. Problems in calculus.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[15 November 1815]
Source of text:
RS:HS 2.47
Summary:

Giving form for recommendation to be elected to the fellowship of the R.S.L. Has been offered space in a magazine for reviewing mathematical subjects. Suggesting anonymous work on analytics by him or JH.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[8 December 1815]
Source of text:
RS:HS 2.50
Summary:

Soon leaving for a short visit to Devon. Hopes he will call when passing through London. New means of preventing explosions in mines. Gives an equation for JH's comments.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[18 December 1815]
Source of text:
RS:HS 2.52
Summary:

Will see him on Thursday. Has paper ready for the R.S.L.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[28 December 1815]
Source of text:
RS:HS 2.53
Summary:

Sending problems in functional analysis. Please send his manuscript on functions to Devonshire Place.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[21 February 1816]
Source of text:
RS:HS 2.56
Summary:

What is he to do with his work on S. F. Lacroix. Regarding the R.S.L. and the printing of CB's paper on functions. Is sending an abridged version of this paper to JH.

Contributor:
John Herschel Project