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Herschel, John in author 
1840-1849::1848::04 in date 
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From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[1848-4?]
Source of text:
RS:HS 19.171
Summary:

Returned [WB's] manuscript with Admiralty notes last week. Concerned, because postal service lost C. R. Darwin's manuscript when JH returned it.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[William Radcliffe Birt]
Date:
[3 April 1848]
Source of text:
RS:HS 19.133
Summary:

Received [WB's] packet. JH has influenza, will read manuscript after recovery.

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:
Adam Sedgwick
Date:
[5 April 1848]
Source of text:
RS:HS 15.438 (C: RS:HS 23.20)
Summary:

Family has been ill. Discusses possibilities for the formation of the sun and their effects on the law of area and the nebular hypothesis.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[5 April 1848]
Source of text:
RGO 6.9.204
Summary:

Willing to let GA choose the best objective lens [see GA's 1848-4-5]; then JH offers another possibility; all are ill at Collingwood.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Wheatstone
Date:
[9 April 1848]
Source of text:
RS:HS 25.11.8
Summary:

Asks for CW's contribution to the Admiralty's scientific manual.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Henry Liddell
Date:
[21 April 1848]
Source of text:
RS:HS 11.215 & 23.21
Summary:

Regrets he cannot attend the meeting to lay the stone of the new lecture room, nor can he take an active part in the lectures due to an attack of influenza. Would like his name added to the ordinary members [of the Slough Mechanics Institute].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[24 April 1848]
Source of text:
RS:HS 23.22
Summary:

Organizational matters related to R.A.S.; intrigued by AD's partial differential.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Adam Sedgwick
Date:
[25 April 1848]
Source of text:
RS:HS 15.440
Summary:

Says the family will arrive at Norwich on 16 or 17 May.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[25 April 1848]
Source of text:
RS:HS 23.23
Summary:

About authorship of an encyclopedia article, meeting arrangements, and the mathematical cleverness of his son William.

Contributor:
John Herschel Project