Search: Herschel, John in correspondent 
1840-1849::1843 in date 
letter in document-type 
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Showing 141–160 of 337 items

Herschel3215

From:
John David Roberton
To:
Sir John Herschel
Date:
1843
Source of text:
RS MM.16.152
Summary:

Asks JH to report on whether and why JH thinks J. D. Forbes's paper on transparency of atmosphere and solar range worthy of Royal Medal.

Contributor:
John Herschel Project

Herschel3368

From:
Sir John Herschel
To:
[R.S.L. Secretary?]
Date:
[19 October 1843]
Source of text:
RS MC.3.306
Summary:

Relinquishes R.S.L. Donation Fund for spectrometer [see JH's 1842-6-1], because [A. C.] Becquerel's research makes it obsolete.

Contributor:
John Herschel Project

Herschel337

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 January 1843]
Source of text:
RGO 6.462.37
Summary:

Needs a good artisan to construct the framework of a solar spectrum photographic apparatus.

Contributor:
John Herschel Project

Herschel3391

From:
Benjamin Silliman
To:
Sir John Herschel
Date:
[27 February 1843]
Source of text:
RS:HS 17.205
Summary:

Thanks JH for favorable comments on BS's biography of [Charles?] Mason. Has been given part of an unusual meteorite fallen in the Cape. If JH has a piece of it, hopes to obtain JH's opinion.

Contributor:
John Herschel Project

Herschel340

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[23 October 1843]
Source of text:
RGO 6.8.72
Summary:

Would support improvements, both in number and quality, of lunar observations at the Royal Observatory; current practices produce unacceptably large predictive errors.

Contributor:
John Herschel Project

Herschel341

From:
George Biddell Airy
To:
Sir John Herschel
Date:
[3 November 1843]
Source of text:
RGO 6.8.87
Summary:

Changes the date of a Board of Visitors' meeting and urges JH to be there.

Contributor:
John Herschel Project

Herschel3433

From:
Sir John Herschel
To:
[R.S.L. Secretary]
Date:
[9 March 1843]
Source of text:
RS MC.3.270
Summary:

Requests on behalf of Richard Taylor, editor of Philosophical Magazine, use of plate from R.S.P.T.

Contributor:
John Herschel Project

Herschel3436

From:
Sir John Herschel
To:
[Spencer J. A. Compton]
Date:
[21 June 1843]
Source of text:
RS MC.3.291 ((A)CCS: TxU:H/L-0285; Reel 1054)
Summary:

Discusses deficiencies in astronomical equipment at Cape's observatory, and troubles in observing comets, double stars, and other phenomena. Hopes equipment can be updated.

Contributor:
John Herschel Project

Herschel3628

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
2] December? [1843
Source of text:
TCD 1493:1391
Summary:

Highly recommends a [William H.] Harvey (formerly Government Treasurer at the Cape) for the professorship of botany at Dublin.

Contributor:
John Herschel Project

Herschel3629

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[1 December 1843]
Source of text:
TCD 1493:227
Summary:

Has been delayed in congratulating WH on pension by a delightful visit from Maria Edgeworth. Praises highly verses sent by WH's sister to Lady Herschel.

Contributor:
John Herschel Project

Herschel3774

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[13 December 1843]
Source of text:
TxU:H/L-0588.17 & Extract 3pp TxU:H/L-0588.20; Reel 1058
Summary:

Assures CH that he has preserved everything that she ever wrote to JH or that he found in William Herschel's library.

Contributor:
John Herschel Project

Herschel3810

From:
Sir John Herschel
To:
Robert Hunt
Date:
[17 February 1843]
Source of text:
George Eastman House, 15.17 (C: RS:HS 22.147)
Summary:

Clarification of priority to the prismatic analysis of the Daguerreotype photograph; comments on the location of a limiting diaphragm in a camera obscura.

Contributor:
John Herschel Project

Herschel3849

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
1843-4
Source of text:
unknown
Summary:

Describes the visit of the Crown Prince and Princess [of Hanover?] on her 93rd birthday (16 March).

Contributor:
John Herschel Project

Herschel3850

From:
Caroline Lucretia Herschel
To:
Sir John Herschel
Date:
[4 May 1843]
Source of text:
unknown
Summary:

Urges JH to study a temporary index made by William Herschel that contains observations about types of zodiacal light.

Contributor:
John Herschel Project

Herschel3865

From:
William Rowan Hamilton
To:
Sir John Herschel
Date:
[12 December 1843]
Source of text:
unknown
Summary:

Jokes about WH's recent 'astronomical insignificance.'

Contributor:
John Herschel Project

Herschel3949

From:
Sir John Herschel
To:
Robert Hunt
Date:
[25 March 1843]
Source of text:
George Eastman House, 13.17 (C: RS:HS 22.150)
Summary:

Some comments about photographic processes and about RH's observations of the heavens [see RH's 1843-3-24].

Contributor:
John Herschel Project

Herschel3997

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[12 April 1843]
Source of text:
TxU:H/L-0588.8; Reel 1058
Summary:

Concerning the great comet of 1843, JH remarks that both Thomas Henderson and Johann Encke noted that the comet bounced off the sun's atmosphere.

Contributor:
John Herschel Project

Herschel3998

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
15] June [1843
Source of text:
TxU:H/L-0588.10.b; Reel 1058
Summary:

Completed 'one of the most curious products' of JH's Cape Results: the map and catalog of the 'Nubecula major' region.

Contributor:
John Herschel Project

Herschel3999

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[13 September 1843]
Source of text:
TxU:H/L-0588.13.a; Reel 1058
Summary:

Enjoyed reading CH's account of some significant events from her life. Reports that James Clark Ross has returned safely from his South Pole expedition in which Ross discovered the true position of the South Magnetic Pole.

Contributor:
John Herschel Project

Herschel4016

From:
Sir John Herschel
To:
Robert Hunt
Date:
[17 September 1843]
Source of text:
George Eastman House, 14.17 (C: RS:HS 22.168)
Summary:

Comments on RH's chromatype photographic process and other processes tried by JH.

Contributor:
John Herschel Project
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