Search: Herschel, John in correspondent 
1860-1869 in date 
De Morgan, Augustus in addressee 
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Showing 21–37 of 37 items

Herschel7179

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[4 July 1865]
Source of text:
RS:HS 24.115
Summary:

On concept formation.

Contributor:
John Herschel Project

Herschel7181

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[14 September 1865]
Source of text:
RS:HS 24.119
Summary:

About old friends, alive or dead; comments on a puzzle in probability; returns to JH's old haunts.

Contributor:
John Herschel Project

Herschel7182

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[25 September 1865]
Source of text:
RS:HS 24.120
Summary:

Comments further on probability [see JH's 1865-9-14]; JH's daughter Maria is to be married; fills letter with much nonsense.

Contributor:
John Herschel Project

Herschel7185

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[14 December 1865]
Source of text:
RS:HS 24.135
Summary:

Comments on a mathematics paper AD sent. Inquires about W. S. Jevons. Is still working on translation of the Iliad.

Contributor:
John Herschel Project

Herschel7188

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[10 April 1866]
Source of text:
RS:HS 24.152
Summary:

Comments on JH's health, the death of William Whewell, and extended comments on a mathematical proof provided by AD [see AD's 1866-4-1].

Contributor:
John Herschel Project

Herschel7190

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[12 August 1866]
Source of text:
RS:HS 24.162
Summary:

Comments on JH's health, and on items that are to go into JH's Familiar Lectures.

Contributor:
John Herschel Project

Herschel7193

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[1 September 1866]
Source of text:
RS:HS 24.165
Summary:

Comments on Charles Babbage's entry into Cambridge; strange stories from old letters.

Contributor:
John Herschel Project

Herschel7196

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[9 October 1866]
Source of text:
RS:HS 24.171
Summary:

Complains about Arabic star names; comments on squabble between Charles Babbage and James South.

Contributor:
John Herschel Project

Herschel7198

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[20 March 1867]
Source of text:
RS:HS 24.191
Summary:

Comments on mathematical comments AD has sent JH; JH is sorry to see AD has retired from his professorship; comments on the hard winter.

Contributor:
John Herschel Project

Herschel7202

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[25 April 1867]
Source of text:
RS:HS 24.193
Summary:

Comments on AD's theorem [see AD's 1867-4-20].

Contributor:
John Herschel Project

Herschel7210

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[16 October 1867]
Source of text:
RS:HS 24.207
Summary:

Requests AD send JH an astronomical drinking song.

Contributor:
John Herschel Project

Herschel7213

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[18 April 1868]
Source of text:
RS:HS 24.215
Summary:

Comments on a number of mathematical matters, on a book on positivism, and increased sunspot activity.

Contributor:
John Herschel Project

Herschel7217

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[11 May 1869]
Source of text:
RS:HS 24.258
Summary:

On AD's and JH's illnesses; asks AD about Latin verses of the medieval period.

Contributor:
John Herschel Project

Herschel7220

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[1 July 1869]
Source of text:
RS:HS 24.273
Summary:

About AD's health and the cold summer.

Contributor:
John Herschel Project

Herschel7221

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[22 July 1869]
Source of text:
RS:HS 24.274
Summary:

Concerned about AD's health. Offers theory of the constitution of matter.

Contributor:
John Herschel Project

Herschel7224

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[11 September 1869]
Source of text:
RS:HS 6.408 & 24.279
Summary:

Is delighted to see him astride one of his old hobbies. Regarding the edition of William Spence's Mathematical Essays. Only remembers an 1819 one. His own health is not good.

Contributor:
John Herschel Project

Herschel7226

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[15 October 1869]
Source of text:
RS:HS 24.285
Summary:

Discusses an exposed case of forgery involving supposed manuscripts of Blaise Pascal and the mathematician Michel Chasles.

Contributor:
John Herschel Project
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