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1810-1819 in date 
Babbage, Charles in addressee 
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Showing 1–20 of 72 items

Herschel5053

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

Herschel5413

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

Regarding equational problems.

Contributor:
John Herschel Project

Herschel5414

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

Herschel5049

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

Herschel5054

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

Herschel5411

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

Herschel5051

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

Herschel5055

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

Herschel5057

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

Herschel5060

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

Herschel5063

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

Herschel5065

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

Herschel5066

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

Herschel5068

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

Herschel5070

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

Herschel5069

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

Herschel5071

From:
Sir John Herschel
To:
Charles Babbage
Date:
[12 January 1814]
Source of text:
RS:HS 2.20 (C: RS:HS 20.15)
Summary:

Has had the bill for the printing of their memoir. Ways of raising money to pay for the printing. Comments on one of CB's equations. Will be entering Lincoln's Inn in a week's time.

Contributor:
John Herschel Project

Herschel12622

From:
Sir John Herschel
To:
Charles Babbage
Date:
[26 January 1814]
Source of text:
TxU:H/L-0047; Reel 1054
Summary:

Chemical news: decomposition of 'sulphuret of carbon' by J. J. Berzelius and Alexander Marcet. Analysis of 'azotane' and discovery of 'iode' by Humphry Davy. Congratulations on results of CB's examination.

Contributor:
John Herschel Project

Herschel5073

From:
Sir John Herschel
To:
Charles Babbage
Date:
[26 January 1814]
Source of text:
RS:HS 2.22 (C: RS:HS 20.16)
Summary:

Is sending chemicals. Regarding Humphry Davy's experiments with azotane. Davy's paper on iodine.

Contributor:
John Herschel Project

Herschel12623

From:
Sir John Herschel
To:
Charles Babbage
Date:
[4 August 1814]
Source of text:
TxU:H/L-0048; Reel 1054
Summary:

Feigned reproach for CB's return to 'the Analytics.' Inquires about CB's 'Devonshire Ghost at Chudleigh.' Results of JH's chemistry experiments. Derides scientists who promote theory of 'akasch' as the one and only form of matter. Met Alexander Marcet in Greenwich.

Contributor:
John Herschel Project
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