Search: Herschel, John in correspondent 
De Morgan, Augustus in correspondent 
1850-1859::1858 in date 
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Showing 1–20 of 23 items

Herschel7078

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[1 January 1858]
Source of text:
RS:HS 6.307
Summary:

Too busy to answer his last letter until now. His theorem on perspective is pretty and easy. Quotes one he uses. Has been busy finding the proof that every algebraic equation has a root. Has been organ tuning. Comments on the method of tuning using beats.

Contributor:
John Herschel Project

Herschel7100

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
1858
Source of text:
RS:HS 23.251
Summary:

Is AD interested in the Lowndean Professorship at Cambridge?

Contributor:
John Herschel Project

Herschel7079

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[1 February 1858]
Source of text:
RS:HS 6.308
Summary:

Congratulations and best wishes for JH's daughter recently married. If he has any material for the annual report, please send it.

Contributor:
John Herschel Project

Herschel7080

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[2 February 1858]
Source of text:
RS:HS 23.221
Summary:

Questions the exact beginning of the year 1857, and offers 'Old King Cole' in Latin.

Contributor:
John Herschel Project

Herschel7099

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[1858-2-6 or later]
Source of text:
RS:HS 23.219
Summary:

Still worrying about where does the day begin?

Contributor:
John Herschel Project

Herschel7081

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[7 February 1858]
Source of text:
RS:HS 6.309
Summary:

Queries on what meridian the year began. Returned a book to the R.S.L., which had been away for many years. Believes the R.S.L. Library was expurgated between 1734 and 1740.

Contributor:
John Herschel Project

Herschel7082

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[11 February 1858]
Source of text:
RS:HS 6.310
Summary:

Further regarding the meridian on which the year began and various times throughout the world.

Contributor:
John Herschel Project

Herschel7084

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
1858-3
Source of text:
RS:HS 23.227
Summary:

Riddles, Latin nursery rhymes, and an eclipse description.

Contributor:
John Herschel Project

Herschel7083

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[20 March 1858]
Source of text:
RS:HS 6.311
Summary:

Regarding the recent eclipse of the sun. Has not been able to guess all his riddles.

Contributor:
John Herschel Project

Herschel7085

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[22 May 1858]
Source of text:
RS:HS 23.231
Summary:

About insects JH's children caught and photographed; on a book on harmonics.

Contributor:
John Herschel Project

Herschel7086

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 May 1858]
Source of text:
RS:HS 6.312
Summary:

Has examined the animalcules JH sent. Sends some of his own obtained from ink! Regarding the variations of spelling his own name.

Contributor:
John Herschel Project

Herschel7087

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[7 August 1858]
Source of text:
RS:HS 6.313
Summary:

Has not heard from him for a long time. Hopes all is well. Elizabeth Baily has had a stroke but is slowly mending. Arthur Baily has committed suicide. His own wife and children are at the seaside. Hopes JH or one of his daughters will write soon.

Contributor:
John Herschel Project

Herschel7088

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[26 August 1858]
Source of text:
RS:HS 6.314
Summary:

Sees that JH was the author of the article on mathematics in Brewster's Encyclopaedia. Comments on this and Isaac Newton's authorship of the notes and review of the Commercium Epistolicum.

Contributor:
John Herschel Project

Herschel7089

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[1 September 1858]
Source of text:
RS:HS 6.315
Summary:

JH keeps his astronomy right up to date. Regarding the significance of the word 'month' in legal phraseology. Gives two riddles.

Contributor:
John Herschel Project

Herschel7090

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[12 September 1858]
Source of text:
RS:HS 23.236
Summary:

Errors to be corrected in a new edition of one of JH's writings, including spelling AD's name in the French way.

Contributor:
John Herschel Project

Herschel7091

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[15 September 1858]
Source of text:
RS:HS 6.316
Summary:

Does not intend writing a life of Isaac Newton or G. W. Leibniz. Comments on the apparent delusions of Newton regarding other men's inventions.

Contributor:
John Herschel Project

Herschel7092

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[13 October 1858]
Source of text:
RS:HS 23.243
Summary:

On the definition of an island, and an invitation to lecture about a comet.

Contributor:
John Herschel Project

Herschel7093

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[15 October 1858]
Source of text:
RS:HS 6.317
Summary:

Sending a query regarding JH's philosophy.

Contributor:
John Herschel Project

Herschel7094

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[18 October 1858]
Source of text:
RS:HS 6.318
Summary:

JH has turned round his question. Samuel Earnshaw has professed to have integrated the pipe equation. Gives an equation of his own.

Contributor:
John Herschel Project

Herschel7095

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[15 November 1858]
Source of text:
RS:HS 6.319
Summary:

Does not intend trying for the Lowndean Professorship. Hopes that JH has been asked to do a memoir of George Peacock. Hears he has been traveling about the country. Sends a riddle.

Contributor:
John Herschel Project
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