Search: Herschel, John in author 
1830-1839::1839::03 in date 
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Herschel3764

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[1 March 1839]
Source of text:
TxU:H/L-0584.1; Reel 1058
Summary:

Prepared to send to CH copies of the Index to John Flamsteed.

Contributor:
John Herschel Project

Herschel9240

From:
Sir John Herschel
To:
Edward C. Herrick
Date:
[1 March 1839]
Source of text:
Yale Univ.
Summary:

Has sent on one of EH's two letters to Cape Town. Reports on meteor showers, especially meteors seen on 14 Nov. 1837. P.S. adds that JH has received a number of papers by EH.

Contributor:
John Herschel Project

Herschel9104

From:
Sir John Herschel
To:
William Whewell
Date:
[1839-3]
Source of text:
TC, Camb. Add. Ms.a.20737 (C: RS:HS 22.41)
Summary:

Asks WW to approve cost of report forms to be sent to the Breslau Observatory. Has heard that WW's book is nearing completion and contains 'heresy.' Has just submitted a paper on 'photographical matters' to the R.S.L.

Contributor:
John Herschel Project

Herschel13061

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[3 March 1839]
Source of text:
TxU:H/L-0475; Reel 1055
Summary:

Sent WT's specimens to J. B. Biot and F. J. D. Arago in Paris. Developed paper sensitive to heat rays of sun 'beyond the spectrum.' Diagram of three spectra: 'luminous, chemical, and thermic.'

Contributor:
John Herschel Project

Herschel1162

From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
1839-3-[15 or earlie
Source of text:
RS:HS 25.14.20
Summary:

Passes on the suggestion, from G. B. Airy, of the use of copper rings for damping the movements of measuring instruments in measuring terrestrial magnetism.

Contributor:
John Herschel Project

Herschel14846

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[18 March 1839]
Source of text:
NMPFT 1937-4840
Summary:

Thanks for specimen of light sensitive paper. Provides hint on the chemical process that Louis Daguerre may have used in his photographic work. Sends specimens of JH's own work.

Contributor:
John Herschel Project

Herschel9105

From:
Sir John Herschel
To:
William Whewell
Date:
20] March [1839
Source of text:
TC, Camb. Add. Ms.a.20738 (C: RS:HS 22.20)
Summary:

Informs WW about various matters relating to James Ross's expedition. Is considering purchasing a house in Kent.

Contributor:
John Herschel Project

Herschel13015

From:
Sir John Herschel
To:
James Calder Stewart
Date:
[23 March 1839]
Source of text:
TxU:H/L-0428; Reel 1055
Summary:

[Richard] Jones's view is correct. Will wait to hear what Mr. [Meade?] has to say, before JH writes to Mr. Hodges.

Contributor:
John Herschel Project

Herschel8597

From:
Sir John Herschel
To:
Johann Franz Encke
Date:
[24 March 1839]
Source of text:
AdWDDR Encke 49
Summary:

Asks JE to express JH's gratitude to the Royal Academy of Berlin for electing JH a foreign member. Discusses JE's observations of divisions in the ring of Saturn, JH's sightings of Saturn's satellites, the British Antarctic expedition, and comets.

Contributor:
John Herschel Project

Herschel13202

From:
Sir John Herschel
To:
John Wrottesley
Date:
[24 March 1839]
Source of text:
TxU:H/L-0509; Reel 1055 (C: RS:HS 25.15.8)
Summary:

Commends JW's application for Savilian professor of astronomy at Oxford [see JW's 1839-3-22]. But it is improper for JH to propose JW unless asked to do so by R.A.S. council.

Contributor:
John Herschel Project

Herschel14848

From:
Sir John Herschel
To:
William Henry Fox Talbot
Date:
[27 March 1839]
Source of text:
NMPFT 1937-4842
Summary:

Describes method of varying the size of photographic images. Praises Talbot's light sensitive paper and suggests improvements regarding it. Complains about persons too ready to seek a patent.

Contributor:
John Herschel Project

Herschel3467

From:
Sir John Herschel
To:
James Clark Ross
Date:
[29 March 1839]
Source of text:
RS Sa.646
Summary:

On instruments for fixed stations. Fears that naval expedition will be detained.

Contributor:
John Herschel Project

Herschel8624

From:
Sir John Herschel
To:
Roderick Impey Murchison
Date:
[29 March 1839]
Source of text:
Geological Society
Summary:

Declines RM's request that JH become a candidate for Oxford's Savilian Professorship [see RM's 1839-3-27]. JH plans to move farther from London.

Contributor:
John Herschel Project

Herschel12488

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

Herschel3410

From:
Sir John Herschel
To:
James David Forbes
Date:
[30 March 1839]
Source of text:
St. Andrews 24 (C: RS:HS 22.5)
Summary:

Discusses prospects for meteorological committee of B.A.A.S., on which they both will serve. Lacks time for it. Does not need hourly observations made by Committee of Physico-Mathematical Society of Edinburgh.

Contributor:
John Herschel Project

Herschel9106

From:
Sir John Herschel
To:
William Whewell
Date:
[31 March 1839]
Source of text:
TC, Camb. Add. Ms.a.20739 (C: RS:HS 22.6)
Summary:

Thanks WW for some verses. Informs him that James Ross's expedition has been approved. Discusses various aspects of the expedition, e.g., the placing of instruments on Van Diemen's Land [Tasmania].

Contributor:
John Herschel Project
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