Search: Herschel, John in correspondent 
De Morgan, Augustus in correspondent 
No in transcription-available 
1840-1849::1849 in date 
Sorted by:

Showing 1–18 of 18 items

Herschel6988

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[1 February 1849]
Source of text:
RS:HS 23.56
Summary:

Arrangements about how the R.A.S. meeting will proceed.

Contributor:
John Herschel Project

Herschel6989

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[2 February 1849]
Source of text:
RS:HS 6.248
Summary:

Would he trouble himself about the address only; all the rest will be arranged for him.

Contributor:
John Herschel Project

Herschel6990

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[18 February 1849]
Source of text:
RS:HS 6.249 & 23.58
Summary:

Returns H. P. Brougham's (Baron Brougham and Vaux) paper. Does not recall any similar theories, but does not think his own theories are shaken by those of Brougham. Finds that AD has already done extensive work on the calendar.

Contributor:
John Herschel Project

Herschel6991

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[3 March 1849]
Source of text:
RS:HS 6.250
Summary:

Finds that some of the pages from the paper JH recently sent him are missing. Please send if he still has them. H. P. Brougham (Baron Brougham and Vaux) does not mean to attack the undulating theory. Regarding solar spots and the surface of the moon.

Contributor:
John Herschel Project

Herschel6992

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[7 March 1849]
Source of text:
RS:HS 23.59
Summary:

On return of a paper, and approval of AD's method of resolving fractions.

Contributor:
John Herschel Project

Herschel6993

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[18 March 1849]
Source of text:
RS:HS 6.251
Summary:

Regarding the early history of the calendar. Comments on the various versions.

Contributor:
John Herschel Project

Herschel6994

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[25 March 1849]
Source of text:
RS:HS 23.62
Summary:

Sends AD part of JH's paper on double stars; concerned about AD's dating it on arrival.

Contributor:
John Herschel Project

Herschel6995

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[26 March 1849]
Source of text:
RS:HS 23.63
Summary:

Another part of JH's double star paper; question of priority between JH and Yvon Villarceau.

Contributor:
John Herschel Project

Herschel6996

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[26 March 1849]
Source of text:
RS:HS 23.64
Summary:

Correction to JH's paper on double stars [see JH's 1849-3-26 & 1849-3-25].

Contributor:
John Herschel Project

Herschel6997

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[27 March 1849]
Source of text:
RS:HS 6.252
Summary:

Has received three packets, dated and initialed. Further comments regarding Julius Caesar and the calendar.

Contributor:
John Herschel Project

Herschel6998

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[27 March 1849]
Source of text:
RS:HS 23.65
Summary:

Correction to paper on double stars following up JH's 1849-3-26; a terrible pun sent on by JH's wife, Margaret.

Contributor:
John Herschel Project

Herschel6999

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
1849-4
Source of text:
RS:HS 23.66
Summary:

Needs to revise Outlines Astr., and will include Ernesto Capocchi's announcement of the discovery of another planet; some further corrections of JH's double star paper.

Contributor:
John Herschel Project

Herschel7000

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[5 May 1849]
Source of text:
RS:HS 6.253
Summary:

Many thanks for his astronomy [Outlines Astr.]. Will read it later when he has more time.

Contributor:
John Herschel Project

Herschel7001

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[22 May 1849]
Source of text:
RS:HS 6.254
Summary:

Sends extracts from book by Mr. Hopkins on the solar system. Has his own theories on the Augustan calendar proved to his own mind. No authority for giving the name Saras to the period of 223 lunations.

Contributor:
John Herschel Project

Herschel8853

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[15 July 1849]
Source of text:
Univ. of London Library
Summary:

Thanks for present of Thomas Wright's books [An Original Theory of the Universe, 1750]. Finds it curious. Suggests that it is conceptually as distant from 1849 as the ancients were from it. Praises printing of its plates.

Contributor:
John Herschel Project

Herschel8848

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[31 August 1849]
Source of text:
Univ. of London Library
Summary:

Raises an objection to a method of calculating probabilities set out by AD in his Formal Logic [1847]. Otherwise, praises AD's discussion.

Contributor:
John Herschel Project

Herschel7002

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[2 September 1849]
Source of text:
RS:HS 6.255
Summary:

Regarding their various points of view on a certain question.

Contributor:
John Herschel Project

Herschel7003

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[26 December 1849]
Source of text:
RS:HS 23.78
Summary:

Seeking a tutor for his young nephews. Yvon Villarceau has sent printed copies of Villarceau's double star papers; JH has dealt with them.

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available