Search: John Herschel Project in contributor 
Herschel, John in author 
1810-1819 in date 
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Showing 81–100 of 137 items

Herschel5132

From:
Sir John Herschel
To:
Charles Babbage
Date:
[15 May 1817]
Source of text:
RS:HS 2.81 (C: RS:HS 20.43)
Summary:

Will see him in London. Is getting on with his supplement. Has seen CB's latest paper in the R.S.P.T. Regarding Mr. Hirsch's theories on equations.

Contributor:
John Herschel Project

Herschel3619

From:
Sir John Herschel
To:
John William Whittaker
Date:
[13 June 1817]
Source of text:
St. John's College, Cambridge
Summary:

Is overwhelmed with work in algebra, studying S. F. Lacroix's work, grinding and polishing mirrors for JH's father. Sends thanks to Whitfield family for songs. Comments on controversial Cambridge news. Sends news of friends.

Contributor:
John Herschel Project

Herschel9036

From:
Sir John Herschel
To:
William Whewell
Date:
[18 June 1817]
Source of text:
TC, Camb. Add. Ms.a.2072 (C: RS:HS 20.44)
Summary:

Asks about WW's mathematical investigations. JH's book on algebra is progressing. Describes mathematical investigations by [Edward] Bromhead in calculus of factors. Misses Cambridge.

Contributor:
John Herschel Project

Herschel5756

From:
Sir John Herschel
To:
David Brewster
Date:
[19 June 1817]
Source of text:
RS:HS 20.45
Summary:

Agrees to write several articles on mathematics, and one on astronomy based on William Herschel's work.

Contributor:
John Herschel Project

Herschel9037

From:
Sir John Herschel
To:
William Whewell
Date:
[26 July 1817]
Source of text:
TC, Camb. Add. Ms.a.2073 (C: RS:HS 20.46)
Summary:

Is pursuing mathematical investigations with Charles Babbage. Asks WW to check whether George Peacock is progressing in printing the Supplement to Lacroix's volume.

Contributor:
John Herschel Project

Herschel5134

From:
Sir John Herschel
To:
Charles Babbage
Date:
[1 August 1817]
Source of text:
RS:HS 2.83 (C: RS:HS 20.47)
Summary:

Has been trying his hand at functions; quotes some. Hopes to visit him at Torquay. Push on with the supplement.

Contributor:
John Herschel Project

Herschel5758

From:
Sir John Herschel
To:
David Brewster
Date:
[8 August 1817]
Source of text:
RS:HS 20.48
Summary:

Sends one mathematical article on isoperimetrical problems and asks to write the article on variations as well.

Contributor:
John Herschel Project

Herschel8660

From:
Sir John Herschel
To:
John Galt
Date:
[28 August 1817]
Source of text:
National Archives of Canada
Summary:

Discusses plans for an edition of the mathematical writings of the late William Spence, to be edited by JH.

Contributor:
John Herschel Project

Herschel5137

From:
Sir John Herschel
To:
Charles Babbage
Date:
[3 October 1817]
Source of text:
RS:HS 2.86 (C: RS:HS 20.49)
Summary:

Regarding his projected supplement. Calculus of deviations. Naming of periodical functions. [John?] Spence's manuscript.

Contributor:
John Herschel Project

Herschel13406

From:
Sir John Herschel
To:
Unidentified
Date:
[7 October 1817]
Source of text:
TxU:H/L-0638; Reel 1089
Summary:

Poses mathematical problems for 'polar equations of conic sections.'

Contributor:
John Herschel Project

Herschel8661

From:
Sir John Herschel
To:
John Galt
Date:
[15 October 1817]
Source of text:
National Archives of Canada
Summary:

Discusses editorial actions taken by JH in editing mathematical manuscripts of William Spence, including materials recently sent to JH by JG.

Contributor:
John Herschel Project

Herschel7815

From:
Sir John Herschel
To:
William Wallace
Date:
22] October [1817
Source of text:
RS:HS 20.50
Summary:

Invites WW and [Thomas] Leybourn to join JH for dinner while Charles Babbage is visiting JH at Slough.

Contributor:
John Herschel Project

Herschel3375

From:
Sir John Herschel
To:
John William Whittaker
Date:
[8 November 1817]
Source of text:
St. John's College, Cambridge
Summary:

Asks about Cambridge friends, and that JW check on various items JH left there. Sends news, especially on 'mineralogizing' with [I. H.?] Jephson and Charles Babbage. Comments on recent deaths of J. A. Deluc, and of Princess Charlotte.

Contributor:
John Herschel Project

Herschel5140

From:
Sir John Herschel
To:
Charles Babbage
Date:
[24 November 1817]
Source of text:
RS:HS 2.89 (C: RS:HS 20.51)
Summary:

Regarding W. G. Horner's paper. Printing of their book. Is preparing a paper to submit to the R.S.L. on a mathematical subject. Will be in town shortly and will visit his laboratory. Has received more sheets of [John?] Spence's essays.

Contributor:
John Herschel Project

Herschel5141

From:
Sir John Herschel
To:
Charles Babbage
Date:
[10 March 1818]
Source of text:
RS:HS 2.90 (C: RS:HS 20.53)
Summary:

Would like comments on the accompanying paper on functional equations. Stephen Lee [of the R.S.L.] has revived the reading of Isaac Newton in Paris.

Contributor:
John Herschel Project

Herschel5143

From:
Sir John Herschel
To:
Charles Babbage
Date:
[26 April 1818]
Source of text:
RS:HS 2.92 (C: RS:HS 20.54)
Summary:

Please send the third volume of J. E. Montucla's Histoire de mathématiques. Is running into difficulties with his history of mathematics owing to lack of translations. Regarding kaleidoscopes. Has been reading David Brewster's experiments on Mother of pearl.

Contributor:
John Herschel Project

Herschel5145

From:
Sir John Herschel
To:
Charles Babbage
Date:
[16 May 1818]
Source of text:
RS:HS 2.94 (C: RS:HS 20.55)
Summary:

Thanking him for the third volume of J. E. Montucla's Histoire de mathématiques. Gives functional equations for his comments. Is afraid that he will not be able to visit Cornwall this summer.

Contributor:
John Herschel Project

Herschel13188

From:
Sir John Herschel
To:
William Whewell
Date:
[12 August 1818]
Source of text:
TxU:H/L-0496; Reel 1055
Summary:

Grateful for WW's comments on investigations of [Simon] Stevin. JH's work on polarization of light. Discovery of multiple axes of polarization was preempted by David Brewster. Diagrams polarization of niter crystals and Iceland spar.

Contributor:
John Herschel Project

Herschel9039

From:
Sir John Herschel
To:
William Whewell
Date:
[19 August 1818]
Source of text:
TC, Camb. Add. Ms.a.2074 (C: RS:HS 20.56)
Summary:

Thanks WW for and expresses agreement with WW's analysis of Simon Stevin. Describes experiments JH is conducting on the polarization of light.

Contributor:
John Herschel Project

Herschel12627

From:
Sir John Herschel
To:
Charles Babbage
Date:
[9 November 1818]
Source of text:
RS:HS 2.97 (C: RS:HS 20.57 & TxU:H/L-0051.1; Reel 1054 inc)
Summary:

Welcome back to London. Explain CB's demonstration of 'theorem in transcendental arithmetic.' JH's observations of 'new acid' [hyposulfurous] and optical phenomena in 'chrystals of nitre.'

Contributor:
John Herschel Project
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