Search: Herschel, John in correspondent 
Hamilton, William Rowan in correspondent 
No in transcription-available 
1840-1849 in date 
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From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[23 October 1847]
Source of text:
unknown
Summary:

WH notes that quaternions derive some interesting results in problems with three moving bodies.

Contributor:
John Herschel Project
From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[30 October 1847]
Source of text:
unknown
Summary:

Describes the funeral of James MacCullagh; mystified why he committed suicide.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[3 April 1848]
Source of text:
TCD 1493:424
Summary:

Wonderingly admires WH's quaternions. Lady Herschel has not yet thanked Eliza Hamilton (WH's sister) for the poetry because of serious illness. Except for influenza, would wish WH's son to visit for Easter. Mentions 'political extravaganzas.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[14 June 1848]
Source of text:
TCD 1493:426
Summary:

Asks WH to forward Dr. [Mortimer] O'Sullivan thanks for two sermons on preparation of the world for the reception of Christianity.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[27 October 1848]
Source of text:
TCD 1493:472
Summary:

Is glad that WH is trying in his Lectures on Quaternions to clarify principles of quaternions. Suggests that WH define highly abstract terms.

Contributor:
John Herschel Project