Search: Herschel, John in author 
1820-1829::1827 in date 
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Herschel2999

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[3 January 1827]
Source of text:
RS:HS 17.111a (C RS:HS 20.243)
Summary:

May not be able to separate double stars with the twenty foot reflector. Is reviewing nebulae. Regrets [Josef] Fraunhofer did not live to see WS's work. Speaks of standard catalogue of 2881 stars as joint labor of all observatories. Interested in bright stars with minute companions.

Contributor:
John Herschel Project

Herschel3002

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[19 December 1827]
Source of text:
RS:HS 17.113 (C: RS:HS 20.267)
Summary:

Has more leisure after resigning as Secretary to the Royal Society. Is sending his and [James] South's magnitude scales and positions of observation for WS to compare. Lists common double stars and offers means of comparison. Remarks on 'new star,' the fifth star in the trapezoid of Orion.

Contributor:
John Herschel Project

Herschel3159

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[12 December 1827]
Source of text:
TCD 1493:17
Summary:

Expresses regrets that George Airy's memoir on spherical aberration in telescope eyepieces and WH's 'Theory of Systems of Rays' reached JH too late for adequate treatment in JH's 'Light.'

Contributor:
John Herschel Project

Herschel3195

From:
Sir John Herschel
To:
William Rowan Hamilton
Date:
[27 October 1827]
Source of text:
TCD 1493:15
Summary:

Thanks for, praises, and comments on WH's 'Systems of Rays' paper. Says WH will have a distinguished career. Mentions other works and hopes to forward them with others he receives to WH.

Contributor:
John Herschel Project

Herschel3370

From:
Sir John Herschel
To:
Michael Faraday
Date:
1827-5[?]-16
Source of text:
RI 395-6 F3B
Summary:

Suggests change in composition of a pot to be made by [Apsley] Pellatt for an experiment.

Contributor:
John Herschel Project

Herschel3398

From:
Sir John Herschel
To:
Michael Faraday
Date:
[27 August 1827]
Source of text:
RI 397-9 F3B
Summary:

Hopes to meet JH in London, and to finish building for R.S.L. soon. Discusses various prisms for experiments. Mentions 'neat' process for drawing uranium from iron.

Contributor:
John Herschel Project

Herschel3461

From:
Sir John Herschel
To:
John Thomas Cooper
Date:
[5 March 1827]
Source of text:
RS DM.3.36
Summary:

Outlines experiments for JC to carry out on 'agglutination of Earths for living Crucibles.'

Contributor:
John Herschel Project

Herschel3462

From:
Sir John Herschel
To:
[Edmund R.] Daniell
Date:
[25 May 1827]
Source of text:
RS DM.3.42
Summary:

Thanks managers of Royal Institution for generosity in offering facilities [to Optical Glass Committee] for erection of a furnace.

Contributor:
John Herschel Project

Herschel3497

From:
Sir John Herschel
To:
Michael Faraday
Date:
[16 March 1827]
Source of text:
RI:F3.B395
Summary:

Proposes an adjustment in the proportions of the ingredients in the next glass-making experiment.

Contributor:
John Herschel Project

Herschel3962

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
4?] May [1827
Source of text:
TxU:H/L-0572; Reel 1058
Summary:

Received the first volume of Johann Pfaff's German translation of William Herschel's papers. Just completed a second catalog of double stars; review of nebulae going slowly. JH comments on his precise sweeps.

Contributor:
John Herschel Project

Herschel4088

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[28 June 1827]
Source of text:
RS:HS 20.258
Summary:

Astronomical Society will lend instruments, including a Beaufoy Clock and a transit circle, to WS for his observations.

Contributor:
John Herschel Project

Herschel4510

From:
Sir John Herschel
To:
Thomas Thomson
Date:
[7 May 1827]
Source of text:
RS:HS 17.435b (C: RS:HS 20.253)
Summary:

Informs TT that the R.S.L. will print his paper on chromium. Discusses results obtained in TT's experiments.

Contributor:
John Herschel Project

Herschel5263

From:
Sir John Herschel
To:
Charles Babbage
Date:
[30 January 1827]
Source of text:
RS:HS 2.208 (ACCS: RS:HS B27.11)
Summary:

Argues that neither CB nor his friends should in any way act to create difficulty at future R.S.L. meetings, as that will allow those attacked to resign with dignity. Rather elect someone else at the next anniversary meeting.

Contributor:
John Herschel Project

Herschel5264

From:
Sir John Herschel
To:
Georgiana Babbage
Date:
[12 February 1827]
Source of text:
RS:HS 2.209
Summary:

Regarding support for Charles Babbage at Oxford.

Contributor:
John Herschel Project

Herschel5266

From:
Sir John Herschel
To:
Charles Babbage
Date:
[27 June 1827]
Source of text:
RS:HS 2.211
Summary:

Announcing his decision of resigning from the Secretaryship of the R.S.L.

Contributor:
John Herschel Project

Herschel5267

From:
Sir John Herschel
To:
Charles Babbage
Date:
[29 July 1827]
Source of text:
RS:HS 2.212
Summary:

Letter of condolence on the death of CB's son Charles.

Contributor:
John Herschel Project

Herschel5268

From:
Sir John Herschel
To:
Elizabeth [Betty] Plumleigh Babbage
Date:
[30 August 1827]
Source of text:
RS:HS 2.213
Summary:

Is sorry to hear the distressing news. Offers suggestions to relieve Charles Babbage of his sorrows.

Contributor:
John Herschel Project

Herschel5273

From:
Sir John Herschel
To:
Charles Babbage
Date:
[22 December 1827]
Source of text:
RS:HS 2.218
Summary:

News of his family. Joseph Clement's work on the machine and alterations proposed. Clement wants payment of £150. Recent happenings at the R.S.L.

Contributor:
John Herschel Project

Herschel5420

From:
Sir John Herschel
To:
Georgiana Babbage
Date:
[1827]
Source of text:
RS:HS 2.367
Summary:

Announcement of Baden Powell's election to the Savillian chair of Geometry.

Contributor:
John Herschel Project

Herschel5422

From:
Sir John Herschel
To:
Charles Babbage
Date:
[1827 to 1829]
Source of text:
RS:HS 2.369
Summary:

Regarding various publications for distribution.

Contributor:
John Herschel Project
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