Search: John Herschel Project in contributor 
Herschel, John in author 
1810-1819::1812 in date 
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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

Herschel8858

From:
Sir John Herschel
To:
William Nicholson
Date:
1812
Source of text:
Journal of Natural Philosophy, Chemistry, and the Arts, 31 (1812), 133-6
Summary:

[Addressed to WN as 'Editor of the Journal of Natural Philosophy, Chemistry, and the Arts from 'A Lover of Modern Analysis' [JH], this letter] derives by a new method various analytical formulae for the tangent and cotangent.

Contributor:
John Herschel Project

Herschel13348

From:
Sir John Herschel
To:
William Herschel
Date:
[5 February 1812]
Source of text:
TxU:H/L-0549; Reel 1053
Summary:

Describes JH's public Latin examination in algebra yesterday. James Grahame and sister were dangerously ill, but Grahame returned to Cambridge. [Addendum:] Newspaper clipping naming students (including JH) who received B.A. degrees at Cambridge on 16 Jan. 1813.

Contributor:
John Herschel Project

Herschel8859

From:
Sir John Herschel
To:
William Nicholson
Date:
[23 March 1812]
Source of text:
Journal of Natural Philosophy, Chemistry, and the Arts, 32 (1812), 13-16
Summary:

[Addressed to WN as 'Editor of the Journal of Natural Philosophy, Chemistry, and the Arts from 'A Lover of Modern Analysis' [JH], this letter] derives by a new method various analytical formulae for the sine and cosine.

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

Herschel3146

From:
Sir John Herschel
To:
John William Whittaker
Date:
1812-8
Source of text:
St. John's College, Cambridge
Summary:

Angry at self and whole world except JW. Has been drunk and travelling. Met brilliant but 'not beautiful' woman. Wonders why he left Cambridge; requests news and offers advice.

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

Herschel13349

From:
Sir John Herschel
To:
William Herschel
Date:
[1 December 1812]
Source of text:
TxU:H/L-0550; Reel 1053
Summary:

Two weeks of examinations begin tomorrow. Experiments writing with glass pen. Describes glassmaker's methods. Suggests application to micrometers.

Contributor:
John Herschel Project
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