Search: John Herschel Project in contributor 
Babbage, Charles in correspondent 
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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
From:
Sir John Herschel
To:
Charles Babbage
Date:
[25 July 1813]
Source of text:
RS:HS 2.16 (C: RS:HS 20.10)
Summary:

Regarding his new researches into the theory of determining functions from given conditions. The printing of his memoir is proceeding slowly.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[16 August 1813]
Source of text:
RS:HS 2.17 (C: RS:HS 20.11)
Summary:

Has been to London and procured the books mentioned by CB. Mentions differential equations of P. S. Laplace. Regarding some of CB's theorems. Problem of law of chance. Printing of his memoir.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[1813-9]
Source of text:
RS:HS 20.12
Summary:

Sends a number of theorems and integrals.

Contributor:
John Herschel Project
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:
Sir John Herschel
To:
Charles Babbage
Date:
1813-9-24 or later
Source of text:
RS:HS 20.14
Summary:

Orders equipment from London through CB.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[13] October 1813
Source of text:
RS:HS 2.19 (C: RS:HS 20.13)
Summary:

Would like to see him as soon as possible so they can prepare the preface of their memoir for the printer.

Contributor:
John Herschel Project