Search: letter in document-type 
1810-1819 in date 
Babbage, Charles in correspondent 
Sorted by:

Showing 120 of 141 items

From:
Sir John Herschel
To:
Charles Babbage
Date:
[1812]
Source of text:
RS:HS 20.3
Summary:

Sends on part of letter for CB to complete and forward.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[1812?]
Source of text:
RS:HS 2.360
Summary:

Regarding equational problems.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[1812?]
Source of text:
RS:HS 2.361
Summary:

Finding it difficult to finish his memoir. Gives some integral equations for his comments. Hopes to see him at Slough soon.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[20 June 1812]
Source of text:
RS:HS 2.1
Summary:

Sending an equation in calculus for him to give opinion.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
1] July [1812
Source of text:
RS:HS 2.2 (C: 20.1)
Summary:

Answer to CB's equation. Bring something to discuss at the forthcoming meeting of the Analytical Society.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[10 July 1812]
Source of text:
RS:HS 2.3
Summary:

Further comments on his original query [see CB's 1812-6-20] regarding the equation in calculus.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[1812-8]
Source of text:
RS:HS 20.4
Summary:

About the mathematical formulation for the summation of any series.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
1812-8 or later
Source of text:
RS:HS 2.358
Summary:

Giving equations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[14 August 1812]
Source of text:
RS:HS 2.4 (C: RS:HS 20.2)
Summary:

Further comment on the calculus equation sent by CB.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[22 December 1812]
Source of text:
RS:HS 2.5
Summary:

Sending details of some new theorems he has come across.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[8 February 1813]
Source of text:
RS:HS 2.6 (C: RS:HS 20.5)
Summary:

Regarding the equations in his memoir on the series of tangents. Queries about the Analytical Society.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[19 February 1813]
Source of text:
RS:HS 2.7
Summary:

Answers to JH's questions on equations. Regarding the printing of his memoirs. Recent meeting of the Analytical Society.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 February 1813]
Source of text:
RS:HS 2.8 (C: RS:HS 20.6)
Summary:

Further equations discussed. Has purchased more books. Regarding the printing of the memoir. [Letter continued on 1813-3-2.]

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1813-4
Source of text:
RS:HS 2.9
Summary:

Comments regarding the preface to their memoir. Further comments on JH's equations.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[1 May 1813]
Source of text:
RS:HS 2.10
Summary:

Memoir is being printed. Gives some more strange theorems for JH's comments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[4 May 1813]
Source of text:
RS:HS 2.11 (C: RS:HS 20.8)
Summary:

Regarding his memoir: would like to see part of CB's notes.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[25 May 1813]
Source of text:
RS:HS 2.12
Summary:

Is sending copy of part of the memoir requested by JH. Gives a further theorem for JH's consideration.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
1813-6-1 or later
Source of text:
RS:HS 2.13
Summary:

Is sending the first 12 pages of JH's memoir. Is glad to hear that he has material for a further memoir. Gives equations for JH's comments.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[27 June 1813]
Source of text:
RS:HS 2.14 (C: RS:HS 20.9)
Summary:

Further regarding theorems recently discussed. Regarding the preface for JH's and CB's Memoirs of the Analytical Society.

Contributor:
John Herschel Project
From:
Charles Babbage
To:
Sir John Herschel
Date:
[30 June 1813]
Source of text:
RS:HS 2.15
Summary:

Where to find further information on functional equations. Gives further equations for JH's comments. Regarding the proposed abridgement of J. B. Delambre's work on astronomy.

Contributor:
John Herschel Project