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Herschel, John in correspondent 
Percy (3rd Duke of Northumberland), Hugh in correspondent 
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From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[8 July 1833]
Source of text:
RS:HS 13.341 & 21.140
Summary:

Is unable to get a firm answer from James South as to the availability of a large telescope object glass that James South owns.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[10 July 1833]
Source of text:
RS:HS 13.342
Summary:

JH is to pursue the matter of acquiring an object glass further [see JH's 1833-7-8], without indicating that it may go to Cambridge Observatory.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[9 August 1833]
Source of text:
RS:HS 13.343 & 21.145
Summary:

JH has written to James South again [see JH's 1833-7-8] but has received no answer; is suggesting that it may well be that [R. A.] Cauchoix, the French optician, can supply object glasses as good as those James South has.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[12 August 1833]
Source of text:
RS:HS 13.344
Summary:

Agrees with JH to go direct to the French optician [see JH's 1833-8-9] for a large object glass; HP will provide a telescope with such a lens if G. B. Airy agrees such a large telescope is appropriate to Cambridge Observatory.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[1 September 1833]
Source of text:
RS:HS 13.345
Summary:

Wants JH to negotiate with [R. A.] Cauchoix [see HP's 1833-8-12], keeping HP's name out of the transactions.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[28 September 1833]
Source of text:
RS:HS 13.346
Summary:

The deal has been made [see HP's 1833-9-1] and HP is most grateful for JH's work.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[21 January 1835]
Source of text:
RS:HS 13.347
Summary:

Has placed £1000 at JH's disposal for whatever use JH and Lady Herschel see fit.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[12 June 1835]
Source of text:
RS:HS 13.348bis & 13.348 inc & 21.178
Summary:

Responds to HP's generous offer [see HP's 1835-1-21] by saying JH does not need the money, and then suggests that HP might want to use it to support the publication of JH's results from his stay at the Cape.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[3 September 1835]
Source of text:
RS:HS 13.349
Summary:

Accepts JH's suggestion about using the offered money for publication costs [see JH's 1835-6-12]; is concerned about the telescope at Cambridge, as G. B. Airy has left for Greenwich; final comments on the comet's effects and the weather.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[30 June 1836]
Source of text:
RS:HS 13.350
Summary:

Comments on observation of comets, the position of Southern Hemisphere stars, and the observation of an annular eclipse.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[25 November 1836]
Source of text:
RS:HS 13.351 & 21.214
Summary:

Comments on inaccuracies in earlier Southern Hemisphere star catalogues, along with an extended description of comet observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
1837-12-16/17
Source of text:
RS:HS 13.352 & 21.234
Summary:

Describes his observational activities, especially the discovery of the variable nature of Eta Argo, and the rediscovery of the sixth satellite of Saturn.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[19 June 1838]
Source of text:
RS:HS 13.353
Summary:

A note of thanks for sending HP a full account of the welcoming dinner given for JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[30 March 1839]
Source of text:
RS:HS 13.354 & 22.4
Summary:

About arrangements for the publication and distribution of JH's Cape observations.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[9 April 1839]
Source of text:
RS:HS 13.355
Summary:

Agrees to arrangements suggested by JH [see JH's 1839-3-30] regarding publication of JH's Cape Results.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[30 May 1839]
Source of text:
TxU:H/L-0288; Reel 1054
Summary:

[Extract] Suggests change in proposed distribution [of Cape Results]. Richard Sheepshanks offered to subsidize portrait of JH, to be distributed with complimentary copies [of Cape Results].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[1840?]
Source of text:
RS:HS 25.13.4
Summary:

Having heard that HP had expressed pleasure at some of JH's colored photographs, JH sends some more recent ones.

Contributor:
John Herschel Project
From:
Hugh Percy (3rd Duke of Northumberland)
To:
Sir John Herschel
Date:
[30 October 1840]
Source of text:
RAS:JH Archive 5/2.1.21 verso; Reel 8
Summary:

Elected today as Chancellor of Cambridge University. Thanks for JH's support.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[12 October] 1841
Source of text:
RS:HS 13.357 & 19.164 (C: RS:HS 25.13.8)
Summary:

Recommends that William Whewell be appointed Master of Trinity College.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[12 June 1845]
Source of text:
RS:HS 13.356 inc & 22.243
Summary:

Sends copies of plates and details about them, and expects printing of JH's Cape Results to begin early in 1846.

Contributor:
John Herschel Project