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From:
Henry Warburton
To:
Sir John Herschel
Date:
[28 January 1850]
Source of text:
RS:HS 18.52
Summary:

Thanks for citing (18 months ago) John Brinkley's paper on 'General Term.' Heard that Augustus De Morgan notified JH of deductions HW drew from Brinkley's theorems, extending them into permutations and combinations. Re-read JH's ['On the Development of Exponential Functions' (1816)]. Asks where to buy JH's Examples in Finite Differences [1820] for HW's great-nephew [Howard Elphinstone].

Contributor:
John Herschel Project
Text Online
From:
J. S. Henslow
To:
Thomas Martin
Date:
28 January 1850
Source of text:
Bury St Edmunds Public Record Office FL586/13/1: 33
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
William Empson
To:
Sir John Herschel
Date:
[28] January 1850
Source of text:
RS:HS 19.271
Summary:

Reports death of Francis Jeffrey. JH's letter to Jeffrey arrived too late. Mrs. Jeffrey will return to [Haileybury?] with WE.

Contributor:
John Herschel Project
From:
E. W. Payne
To:
Sir John Herschel
Date:
[29 January 1850]
Source of text:
RS:HS 14.147
Summary:

Asks questions relevant to a series of books presenting science for juveniles.

Contributor:
John Herschel Project
Text Online
From:
Richard Spruce
To:
William Jackson Hooker
Date:
29 January 1850
Source of text:
Royal Botanic Gardens, Kew: KLDC10180
Summary:

No summary available.

Contributor:
Alfred Russel Wallace Correspondence Project
Text Online
From:
George Towler
To:
Michael Faraday
Date:
30 January 1850
Source of text:
IEE MS SC 2
Summary:

No summary available.

Contributor:
Faraday Project
From:
Sir Joseph Dalton Hooker
To:
Sir William Jackson Hooker
Date:
30 January 1850
Source of text:
JDH/1/10 f.252-255, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project
From:
Henry Warburton
To:
Sir John Herschel
Date:
[31 January 1850]
Source of text:
RS:HS 18.53
Summary:

Thanks for sending Examples in Finite Differences [1820] to WH's great-nephew Howard Elphinstone. John Brinkley's paper opened up new possibilities for permutations and combinations.

Contributor:
John Herschel Project
Text Online
From:
Michael Faraday
To:
George Biddell Airy
Date:
31 January 1850
Source of text:
RGO6 / 403, f.132
Summary:

No summary available.

Contributor:
Faraday Project
From:
Sir Joseph Dalton Hooker
To:
Lady Maria Hooker (nee Turner)
Date:
31 January 1850
Source of text:
JDH/1/10 f.256-259, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project
From:
Charles Robert Darwin
To:
Robert Fitch
Date:
1 Feb [1850]
Source of text:
Norwich Castle
Summary:

Mentions illness.

Describes work on fossil cirripedes. Asks to keep specimens somewhat longer.

Contributor:
Darwin Correspondence Project
Text Online
From:
Adam Sedgwick
To:
J. S. Henslow
Date:
1 February 1850
Source of text:
Cambridge University Library MS Add. 8177: 284
Summary:

No summary available.

Contributor:
Henslow Correspondence Project
From:
Sir Joseph Dalton Hooker
To:
Sir William Jackson Hooker
Date:
-2-1850
Source of text:
JDH/1/10 f.260-261, The Royal Botanic Gardens, Kew
Summary:

No summary available.

Contributor:
Hooker Project
From:
Charles Robert Darwin
To:
Joseph Dalton Hooker
Date:
3 Feb [1850]
Source of text:
DAR 114: 117
Summary:

Hooker’s imprisonment.

Birth of Leonard Darwin.

Barnacles will never end; on to fossils.

Contributor:
Darwin Correspondence Project
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From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[4 February 1850]
Source of text:
RS:HS 6.258
Summary:

Would he drop him a few lines on the orbit of the meteor for the R.A.S. Robert Potts of Trinity is to publish by subscription a translation of Robert Simson's Porisms.

Contributor:
John Herschel Project
From:
John R. Hind
To:
Sir John Herschel
Date:
[4 February 1850]
Source of text:
RS:HS 9.347
Summary:

In looking through Lamont 1845-6 he found two observations of Neptune not previously recognized. Thanks for his memoir on the orbits of double stars.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Sir Henry Taylor
Date:
[4 February 1850]
Source of text:
Bodleian Library, Oxford
Summary:

Returning with gratitude HT's Statesman, which stimulated much political and social reflection in JH.

Contributor:
John Herschel Project
From:
Sophie Beckedorff
To:
Margaret Brodie Herschel
Date:
[4 February 1850]
Source of text:
RS:HS 4.7
Summary:

Family and political news.

Contributor:
John Herschel Project
From:
Charles Robert Darwin
To:
Robert Fitch
Date:
[5 Feb 1850]
Source of text:
Norwich Castle
Summary:

Asks permission to clean specimen. Describes research on cirripedes.

Contributor:
Darwin Correspondence Project
From:
Charles Piazzi Smyth
To:
Sir John Herschel
Date:
[6 February 1850]
Source of text:
RS:HS 16.231
Summary:

A. G. Melville will start Meteorological Observatory at Queen's College, Galway. CPS discusses JH article on plans for building an ice-making machine.

Contributor:
John Herschel Project