Search: John Herschel Project in contributor 
De Morgan, Augustus in correspondent 
Herschel, John in correspondent 
1840-1849 in date 
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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

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

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

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

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
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