Search: 1850-1859 in date 
De Morgan, Augustus in author 
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From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[2 April 1857]
Source of text:
RS:HS 6.296
Summary:

Sending a little joke on a political theme. Further regarding a query of JH's on a rabbit. Gives a problem on a polygon. Meteorology is peculiar as weather does not appear to be governed by any laws.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[20 May 1857]
Source of text:
RS:HS 6.297
Summary:

Returns his cancel, which he found very amusing. Mrs. De Morgan is now at Hampstead suffering from an incurable complaint. Further comments on the beats of musical consonances and Robert Smith's theories.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[7 August 1857]
Source of text:
RS:HS 6.298
Summary:

Hopes his health is improving. Where can he find the article expressing adjectives in algebraic symbols? Went to the R.A.S. in July and found much as usual. Mrs. De M. now at Hythe with the children. Elizabeth Baily appears to be in excellent health.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[1 October 1857]
Source of text:
TxU:H/M-0163; Reel 1087
Summary:

Decimal Association will not publish answers to questions by Lord Overstone [S. J. Loyd] until next session. Seeks consent of JH and other members to publish these sooner.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[9 October 1857]
Source of text:
RS:HS 6.300
Summary:

S. J. Loyd's (1st Baron Overstone) queries and the work of the Commission on the Decimal Coinage. Is sure he read the algebraic adjectives in the Memoirs of the Analytical Society. May be related in some way. His wife is slowly recovering. Has JH read about the Devil's Elixir?

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[11 October 1857]
Source of text:
RS:HS 6.301
Summary:

Has received a list of witnesses whose answers have been printed for Thomas Spring-Rice (1st Baron Monteagle).

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[14 October 1857]
Source of text:
RS:HS 6.302
Summary:

Hopes the Indian mail has taken a weight off JH's mind. George Peacock is anxious that JH should be in their plot regarding the introduction of the decimal coinage.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[23 October 1857]
Source of text:
RS:HS 6.303
Summary:

Will send the proofs. Has heard all about JH's ancestor [Hercules]. Miss Louisa has committed manslaughter.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[11 November 1857]
Source of text:
RS:HS 6.304
Summary:

Has the proofs. Gives some queries concerning them.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[13 November 1857]
Source of text:
RS:HS 6.305
Summary:

S. J. Loyd (1st Baron Overstone) has agreed that the papers be presented to the Crown. Pray let him have his proof as soon as possible.

Contributor:
John Herschel Project
From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[27 November 1857]
Source of text:
RS:HS 6.306
Summary:

Write to Mr. Richerly for as many as he wants. Has sent proof to George Peacock; might send one to the Dean of Salisbury. County persons are capital people for their purposes.

Contributor:
John Herschel Project
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
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
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
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
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
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
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
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
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