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Challis, James in correspondent 
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Herschel, John in addressee 
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From:
James Challis
To:
Sir John Herschel
Date:
[18 August 1847]
Source of text:
RAS:JH Archive 10/5.32; Reel 9
Summary:

Observatory received Cape Results. Congratulates JH on completing project. Keeping busy with 'new Planets.' Gives credit to J. R. Hind for diligent searching [for Iris].

Contributor:
John Herschel Project
From:
James Challis
To:
Sir John Herschel
Date:
[22 May 1849]
Source of text:
RS:HS 5.235
Summary:

Is grateful for his Outlines Astr. Comments on its quality and usefulness. Sends the first report of the Board of Mathematical Studies.

Contributor:
John Herschel Project
From:
James Challis
To:
Sir John Herschel
Date:
[21 August 1850]
Source of text:
RS:HS 5.236
Summary:

Is glad to hear that he can retain the Adams prize essay for a further period. Is pleased that William Lassell has discovered a second satellite of Neptune. Regarding shooting stars seen on 9 Aug.

Contributor:
John Herschel Project
From:
James Challis
To:
Sir John Herschel
Date:
[10 July 1861]
Source of text:
RS:HS 5.237
Summary:

Encloses sketch of the comet seen on night of 30 June. Comments on various aspects of the comet.

Contributor:
John Herschel Project
From:
James Challis
To:
Sir John Herschel
Date:
[23 December 1862]
Source of text:
RS:HS 5.238
Summary:

Has read JH's brochure with pleasure. Regarding the alleged obstruseness of some of his own mathematical theories.

Contributor:
John Herschel Project
From:
James Challis
To:
Sir John Herschel
Date:
[4 January 1865]
Source of text:
RS:HS 5.239
Summary:

Thanks for his friendly letter written on Christmas day. Regarding the Cambridge Observations just published. His own theories of hydrodynamics.

Contributor:
John Herschel Project
From:
James Challis
To:
Sir John Herschel
Date:
[29 January 1866]
Source of text:
RS:HS 5.240
Summary:

Sending a certificate proposing Professor William Selwyn; would JH add qualifications, sign it and send it on to G. B. Airy.

Contributor:
John Herschel Project
From:
James Challis
To:
Sir John Herschel
Date:
[28 November 1866]
Source of text:
RS:HS 5.241
Summary:

Would be grateful if JH would add his name to the enclosed certificate for Edward Walker. Large number of readings of meteors taken at Cambridge Observatory. Comments on these observations.

Contributor:
John Herschel Project
From:
James Challis
To:
Sir John Herschel
Date:
[1 April 1869]
Source of text:
RS:HS 5.242
Summary:

Is pleased with the interest JH is taking in his volume. Understands the difficulty of comprehending it at once. Further comments on his own dynamical theory of dispersion.

Contributor:
John Herschel Project
Document type
Transcription available