Search: Herschel, John in addressee 
Herschel, John in correspondent 
1820-1829::1825 in date 
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Showing 21–40 of 132 items

Herschel11504

From:
Sir Charles Lyell
To:
Sir John Herschel
Date:
[14 May 1825]
Source of text:
RS:HS 11.416
Summary:

Believes that JH is acquainted with R. I. Murchison, who is to accompany CL to see the works of M. I./I. K. Brunel's Thames tunnel, after they have gone through JH's paper. Would JH like to accompany them?

Contributor:
John Herschel Project

Herschel12001

From:
Teodoro Monticelli
To:
Sir John Herschel
Date:
[19 April 1825]
Source of text:
RS:HS 12.363
Summary:

Something is going badly. Comments on volcanic action observed, and on having met some English acquaintances of JH. [Many parts of this letter illegible.]

Contributor:
John Herschel Project

Herschel1204

From:
Stephen Lee
To:
Sir John Herschel
Date:
[17 November 1825]
Source of text:
RS:HS B26.25
Summary:

A notice of meeting of the R.S.L. committee to improve glass.

Contributor:
John Herschel Project

Herschel1205

From:
James Hudson
To:
Sir John Herschel
Date:
1825 -1-16
Source of text:
RS:HS B26.26
Summary:

Sends JH a sketch of an experiment already made.

Contributor:
John Herschel Project

Herschel12160

From:
Gideon Mantell
To:
Sir John Herschel
Date:
[27 November 1825]
Source of text:
RS:HS 13.18
Summary:

Acknowledging the letter of 25 Nov. informing GM that he has been elected to the R.S.L. Will attend at the earliest opportunity to be admitted.

Contributor:
John Herschel Project

Herschel12306

From:
Hans Christian Oersted
To:
Sir John Herschel
Date:
[24 July 1825]
Source of text:
RS:HS 13.162
Summary:

Apologizes for the long delay in writing of JH's election into the Danish Royal Academy of Sciences. HO is carrying on experiments with chlorine gas and metals.

Contributor:
John Herschel Project

Herschel12544

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[24 March 1825]
Source of text:
RS:HS 13.414
Summary:

Is helping another scientist bring to publication a work on triangulation in the Alps. Comments on JH's idea of suspending an extremely long plumb bob at a particular precipice in the Alps [Foucault pendulum?]. GP does not believe the results would warrant the expense. Comments on the floating collimator [see JH's 1825-1-14], noting that he does not find it very helpful.

Contributor:
John Herschel Project

Herschel12545

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[27 May 1825]
Source of text:
RS:HS 13.415
Summary:

Is preparing a paper on planetary perturbations, which GP would like to send to the Astronomical Society for publication. Comments on JH's ideas on the subject of perturbations. Would the paper being in French be a problem? Comments on Henry Kater's method for finding the zero point in his meridian circle.

Contributor:
John Herschel Project

Herschel12546

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[28 July 1825]
Source of text:
RS:HS 13.416
Summary:

Pleased that Astronomical Society will publish GP's memoir (in French) [see GP's 1825-5-27]. Adds some comments for clarification on points in paper and makes arrangements for copies of the paper.

Contributor:
John Herschel Project

Herschel12547

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[24 October 1825]
Source of text:
RS:HS 13.417
Summary:

Inquires about the arrival of the memoir sent by GP to JH [see GP's 1825-7-28].

Contributor:
John Herschel Project

Herschel12548

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[19 November 1825]
Source of text:
RS:HS 13.418
Summary:

Is very concerned because JH's recent letter did not comment on the arrival of GP's memoir [see GP's 1825-10-24]. Comments on printing and arrangements for copies.

Contributor:
John Herschel Project

Herschel12549

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[3 December 1825]
Source of text:
RS:HS 13.419
Summary:

Is pleased that GP's memoir has finally arrived in London [see GP's 1825-11-19]. Indicates arrangements for paying for copies. Comments on GP's astronomical observations of the last several years, and on his method of making reductions.

Contributor:
John Herschel Project

Herschel14287

From:
William Ritchie
To:
Sir John Herschel
Date:
[3 February 1825]
Source of text:
TxU:H/M-0449; Reel 1093
Summary:

Thanks JH for introducing WR's paper on photometer to R.S.L. council. Sends drawing of instrument and alterations to WR's paper that resulted from improvements in instrument.

Contributor:
John Herschel Project

Herschel14288

From:
William Ritchie
To:
Sir John Herschel
Date:
[25 May 1825]
Source of text:
TxU:H/M-0450; Reel 1093
Summary:

Not upset that JH withdrew WR's paper on photometer from R.S.L. Sent similar paper to David Brewster's [Edinburgh Journal of Science] with note on JH's method for finding relative heating power of solar rays. Wants to dedicate WR's book on light and heat to JH.

Contributor:
John Herschel Project

Herschel14627

From:
Thomas Young
To:
Sir John Herschel
Date:
[19 May 1825]
Source of text:
TxU:H/M-0612; Reel 1086
Summary:

Announces 2 June meeting of 'Commissioners for more effectually discovering the Longitude at Sea.' Inquired about 'excise,' but sees no reason to wait for Navy Board to act.

Contributor:
John Herschel Project

Herschel14630

From:
Mary Pitt Herschel
To:
Sir John Herschel
Date:
30 September [1825]
Source of text:
TxU:H/M-0617; Reel 1086
Summary:

Discusses JH's rent at Devonshire Place.

Contributor:
John Herschel Project

Herschel14794

From:
William Ritchie
To:
Sir John Herschel
Date:
[5 February 1825]
Source of text:
TxU:H/M-1212; Reel 1060
Summary:

Suggested improvements to John Leslie's photometer.

Contributor:
John Herschel Project

Herschel2015

From:
Baden Powell
To:
Sir John Herschel
Date:
[18 November 1825]
Source of text:
RS:HS 14.47
Summary:

Missed JH at the R.S.L. meeting. Has some experiments on which he seeks JH's opinion regarding presentation at the Society. Enclosing report.

Contributor:
John Herschel Project

Herschel2099

From:
William Ritchie
To:
Sir John Herschel
Date:
[30 January 1825]
Source of text:
RS:HS 14.348
Summary:

Still anxious to become a fellow of the R.S.L. Thanks JH for offer. Would like to be elected before end of present session.

Contributor:
John Herschel Project

Herschel2101

From:
William Ritchie
To:
Sir John Herschel
Date:
[3 March 1825]
Source of text:
RS:HS 14.349
Summary:

Pleased JH liked his paper on differential photometer. Discusses apparatus for experiments on light. Describes some papers he has written and some he is writing.

Contributor:
John Herschel Project
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