Search: John Herschel Project in contributor 
1830-1839::1830 in date 
Sorted by:

Showing 41–60 of 195 items

Herschel14754

From:
Robert Saunders Dundas [Lord Melville], Henry Hotham, and John Barrow
To:
Sir John Herschel
Date:
[22 November 1830]
Source of text:
TxU:H/M-0942; Reel 1083
Summary:

By order of lords of Admiralty, notice is sent of royal appointment of JH and others to Board of Visitors to Greenwich Observatory. [Letter forwarded 29 Nov. from R.S.L. to JH by Davies Gilbert with compliments.]

Contributor:
John Herschel Project

Herschel14797

From:
Robert Peel
To:
Sir John Herschel
Date:
[27 November 1830]
Source of text:
TxU:H/M-1225; Reel 1060
Summary:

Royal warrant appointing Board of Visitors to Royal Observatory, Greenwich.

Contributor:
John Herschel Project

Herschel1480

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[27 May 1830]
Source of text:
APS B.Sm98.5 (C: RS:HS 21.70)
Summary:

Thanks WS for excerpt from Niccolo Cacciatore's letter; comments on the awarding of medals for merit, and points out some necessary conditions which must be considered if the observations of the satellites of Jupiter are to be used in determining the constant of aberration.

Contributor:
John Herschel Project

Herschel1481

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[8 August 1830]
Source of text:
APS B.Sm98.6 (C: RS:HS 21.73)
Summary:

Advises WS on best ways to make a 'darkening glass' for solar observations. Also suggests method for delineating sunspots. Hopes WS will attend Nautical Almanac meeting and support his points. Completes two telescope mirrors and observes Uranian satellites. Asks WS to look for a double star between Beta1 and Beta2 Capricorni.

Contributor:
John Herschel Project

Herschel1482

From:
Sir John Herschel
To:
William Henry Smyth
Date:
[6 September 1830]
Source of text:
APS B.Sm98.7 (C: RS:HS 21.75)
Summary:

Discusses WS's observations of double stars and method of averaging positional determinations. Believes he has verified the two Uranian satellites observed by William Herschel.

Contributor:
John Herschel Project

Herschel1832

From:
Sir John Herschel
To:
Thomas Hodgkin
Date:
[1830-5-24 or later]
Source of text:
WT.Ho A.3
Summary:

Thanks TH for some crystals, including borax, as well as a paper by J. J. Lister. JH has been cutting the borax crystals preparatory to grinding and polishing them; JH has used these crystals to observe a phenomenon previously seen with a mass of niter.

Contributor:
John Herschel Project

Herschel2090

From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[6 September 1830]
Source of text:
RS:HS 14.339
Summary:

Discusses [James] Bradley's observations of double stars. Asks JH for assistance.

Contributor:
John Herschel Project

Herschel2091

From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[8 September 1830]
Source of text:
RS:HS 14.340
Summary:

Thanks JH for letter [see SR's 1830-9-6]. Discusses publication of [James] Bradley's observations. Congratulates JH on confirming satellites of Uranus seen by William Herschel.

Contributor:
John Herschel Project

Herschel2092

From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[21 September 1830]
Source of text:
RS:HS 14.341
Summary:

Discusses [James] Bradley's observations and possibility of double stars [see SR's 1830-9-6]. Seems no double stars are readily apparent. Discusses another experiment.

Contributor:
John Herschel Project

Herschel2093

From:
Stephen Peter Rigaud
To:
Sir John Herschel
Date:
[30 October 1830]
Source of text:
RS:HS 14.342
Summary:

Discusses eighteenth-century observations from Greenwich. Describes curious observations of stars in Gamma Virginis and Polaris.

Contributor:
John Herschel Project

Herschel2166

From:
Alexander Rogers
To:
Sir John Herschel
Date:
[1 January 1830]
Source of text:
RS:HS 14.411
Summary:

Sent some Edinburgh ale to the Herschels. Will not patent telescope. Discusses Giovanni Santini's article on telescopes in the Quarterly Journal.

Contributor:
John Herschel Project

Herschel2167

From:
Alexander Rogers
To:
Sir John Herschel
Date:
[6 December 1830]
Source of text:
RS:HS 14.412
Summary:

Pleased that JH enjoyed the ale. Asks whether comets could be portions of the luminous atmosphere surrounding the sun.

Contributor:
John Herschel Project

Herschel2637

From:
Sir John Herschel
To:
Mary Somerville
Date:
[1830-1?]
Source of text:
RS:HS 16.382 (C: RS:HS 25.13.29b)
Summary:

Admires her manuscript [Mechanism of the Heavens]. Wishes [P. S.] Laplace would have lived to see it. Notes a problem with the principle of virtual velocity.

Contributor:
John Herschel Project

Herschel2695

From:
William Somerville
To:
Sir John Herschel
Date:
[23 February 1830]
Source of text:
RS:HS 16.387
Summary:

Thanks JH for attention to Mrs. Somerville's work [Mechanism of the Heavens]. Please send any part of the work that he has finished.

Contributor:
John Herschel Project

Herschel2696

From:
William Somerville
To:
Sir John Herschel
Date:
[23 March 1830]
Source of text:
RS:HS 16.388
Summary:

Mrs. Somerville cannot decide what to call her book [Mechanism of the Heavens]. Please advise so publishing can commence.

Contributor:
John Herschel Project

Herschel2869

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[10 April 1830]
Source of text:
RS:HS 21.68
Summary:

Glad WS is coming to England but cautions that London empties in June. Congratulates WS on measurement of a 'great Northern arc.' Complains about the division of the Royal Society into 'parties'. Adds [James] South's results showing a sixth star, nearer than WS's fifth, in trapezium of Orion.

Contributor:
John Herschel Project

Herschel2948

From:
Sir John Herschel
To:
Adolphe Quetelet
Date:
[10 May 1830]
Source of text:
Académie belgique: #2 (fragment (French) Académie belgique: #3)
Summary:

Tells AQ of 'negligent inattention' regarding Belgium's instruments. Has extracted promise from [William?] Simms that the equatorial should be finished by Christmas and mural circle within the following year. Mentions seeing Colonel Blake and [G. P.] Dandelin. Regrets [P. F.] Verhulst's illness. Discusses lichen.

Contributor:
John Herschel Project

Herschel3006

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[10 March 1830]
Source of text:
RS:HS 17.116
Summary:

Hopes to meet JH and [James] South in summer. Announces emperor's decision to support measurement of the 3.5° latitude meridian throughout the entire Russian empire. WS is responsible for directing work in the north. Emphasizes the importance of maintaining correct linear standards uniform with both France and England. Requests a copy of the English standard so as to compare it with the Russian measurements of degrees.

Contributor:
John Herschel Project

Herschel3007

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[1 May 1830]
Source of text:
RS:HS 17.117
Summary:

Requests advice in determining optimal time for visit to England. Thanks for invitation to Slough. Mentions completion of his sixth volume of observations, the introduction of which could prove interesting to JH. Fascinated by JH's observation of a sixth star in the trapezoid of Orion.

Contributor:
John Herschel Project

Herschel3008

From:
Wilhelm Struve
To:
Sir John Herschel
Date:
[22 June 1830]
Source of text:
RS:HS 17.118
Summary:

Will arrive in England in mid-August. Mentions convention of German scientists on 18 September and invites JH.

Contributor:
John Herschel Project
Author
Addressee
Correspondent
Date
Document type
Contributor
Transcription available