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Herschel2214

From:
Sir Edward Ryan
To:
Sir John Herschel
Date:
[21 January 1850]
Source of text:
RS:HS 14.458
Summary:

Has no information to send yet. JH should not be too hopeful of changing the appoint to Bengal of his son [William James].

Contributor:
John Herschel Project

Herschel2481

From:
Elizabeth Sabine
To:
Sir John Herschel
Date:
[3 January 1850]
Source of text:
RS:HS 15.335
Summary:

Thanks JH for letter and concern shown during Edward Sabine's illness. He is recovering.

Contributor:
John Herschel Project

Herschel2533

From:
Sir John Herschel
To:
Adam Sedgwick
Date:
[1 January 1850]
Source of text:
RS:HS 15.442 (C: RS:HS 23.79)
Summary:

Has heard of AS's broken arm. Sends regards from the family.

Contributor:
John Herschel Project

Herschel3351

From:
Sir John Herschel
To:
William Parsons (Lord Rosse)
Date:
[1850]
Source of text:
RS Sa.681
Summary:

Discusses possible recipients of Royal Medals, continuing to favor Edward Sabine.

Contributor:
John Herschel Project

Herschel3658

From:
Sir John Herschel
To:
Elizabeth Sabine
Date:
[1 January 1850]
Source of text:
RS Sa.660
Summary:

Regrets to hear of Edward Sabine's serious illness but praises ES's accomplishment and devotion; hopes ES will rest and soon recover good health.

Contributor:
John Herschel Project

Herschel4325

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

Herschel5647

From:
William Radcliffe Birt
To:
Sir John Herschel
Date:
[15 January 1850]
Source of text:
RS:HS 4.137
Summary:

His engagement at Kew will soon terminate. Regarding the grant for Kew and the position he holds there. Can JH inform him of the zodiacal light.

Contributor:
John Herschel Project

Herschel5648

From:
William Radcliffe Birt
To:
Sir John Herschel
Date:
[19 January 1850]
Source of text:
RS:HS 4.138
Summary:

Regarding the luminous rings recently observed in the solar system.

Contributor:
John Herschel Project

Herschel5839

From:
Henry Peter Brougham
To:
Sir John Herschel
Date:
[1850]
Source of text:
RS:HS 4.308
Summary:

Would like JH's view on Thomas Maclear.

Contributor:
John Herschel Project

Herschel7004

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[21 January 1850]
Source of text:
RS:HS 6.256
Summary:

Regarding the delicate case of priority of investigation. Quotes example of Henry Warburton and John Brinkley.

Contributor:
John Herschel Project

Herschel7005

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
[24 January 1850]
Source of text:
RS:HS 23.81
Summary:

About Henry Warburton's theorem, and the Gregorian calendar.

Contributor:
John Herschel Project

Herschel7006

From:
Augustus De Morgan
To:
Sir John Herschel
Date:
[25 January 1850]
Source of text:
RS:HS 6.257
Summary:

Further regarding the Gregorian calendar and comments on some of the questions involved in its interpretation.

Contributor:
John Herschel Project

Herschel7007

From:
Sir John Herschel
To:
Augustus De Morgan
Date:
1850-1
Source of text:
RS:HS 23.80
Summary:

Comments on calculation by Frédéric Petit of the hyperbolic orbit of the meteor of 19 Aug. 1847.

Contributor:
John Herschel Project

Herschel7848

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

Herschel7849

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

Herschel8363

From:
Sir John Herschel
To:
John Shepherd
Date:
[1850 to 1851]
Source of text:
RS:HS 19.162b (C: RS:HS 25.10.10)
Summary:

Petition for pension for widow of T. G. Taylor, H.E.I.C. astronomer at Madras who published error-free observations of southern stars.

Contributor:
John Herschel Project

Herschel8387

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

Herschel8394

From:
Lord Francis Jeffrey
To:
Sir John Herschel
Date:
[21 January 1850]
Source of text:
RS:HS 19.279
Summary:

Returns 'slips' with JH's corrections. Asks explanation of probability theory.

Contributor:
John Herschel Project

Herschel8788

From:
Sir John Herschel
To:
Sir William J. Hooker
Date:
[1850]
Source of text:
Royal Botanic Gardens
Summary:

Requests favor from WH on behalf of Richard Jones and his wife in light of her move to Richmond.

Contributor:
John Herschel Project

Herschel8912

From:
Sir John Herschel
To:
the Athenaeum
Date:
25] January [1850
Source of text:
Athenaeum, #1162 (Feb. 2, 1850), 132
Summary:

[Writing anonymously], offers a solution to a Latin problem discussed earlier in the Athenaeum.

Contributor:
John Herschel Project
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