Search: Herschel, John in correspondent 
1820-1829::1825 in date 
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Showing 41–60 of 191 items

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

Herschel12642

From:
Sir John Herschel
To:
Mary Baldwin
Date:
[10 August 1825]
Source of text:
TxU:H/L-0062; Reel 1054
Summary:

JH's mother will pay Mr. Beckwith to cover debt of MB's brother Thomas, who now owes Lady Herschel £1035. Comments on Thomas Baldwin's proposal for business partnership with JH and request for loan from JH.

Contributor:
John Herschel Project

Herschel12816

From:
Sir John Herschel
To:
Gregorio Barnaba Lavia
Date:
[6 October 1825]
Source of text:
TxU:H/L-0222; Reel 1054
Summary:

Gratitude to Gioenian Academy of Natural Sciences of Catania [Sicily] for electing JH a corresponding member. [P.S. 1 Oct. 1825:] Reports elevations on Mount Etna measured by JH with mountain barometer in July 1824, with confirmation by Niccolo Cacciatore. [JH's annotations explain sources of errors in elevations.]

Contributor:
John Herschel Project

Herschel13189

From:
Sir John Herschel
To:
Susan White
Date:
[25 November 1825]
Source of text:
TxU:H/L-0497; Reel 1055
Summary:

Assures SW that slanderous reports regarding SW's nephew James White have not reached JH or Lady Herschel.

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

Herschel14830

From:
Sir John Herschel
To:
Unidentified
Date:
[1825-12-15 or later
Source of text:
Adler Planetarium
Summary:

Referring to the R.S.L. Royal Medals commissioned on 15 Dec. 1825 by King George IV, JH confirms that Sir Thomas Lawrence has agreed to design the medals.

Contributor:
John Herschel Project

Herschel1495

From:
Sir John Herschel
To:
William H. Keating
Date:
[19 April 1825]
Source of text:
APS (no i.d.)
Summary:

Writes to thank the Philosophical Society of Philadelphia for the gift of the catalogue of its library.

Contributor:
John Herschel Project

Herschel1842

From:
Sir John Herschel
To:
Michael Faraday
Date:
[21 May 1825]
Source of text:
WT A-300
Summary:

Rearranges a meeting of [the R. S. L.'s Glass Committee] to take place at the Pellat and Green's Glass House in Holland St.

Contributor:
John Herschel Project

Herschel2001

From:
Sir John Herschel
To:
John Pond
Date:
[23 July 1825]
Source of text:
RS:HS 14.34 (C: RS:HS 20.217)
Summary:

Introduces [C. T.] Largeteau from France, who wishes to receive from JP the observations made at Greenwich as part of the determination of the difference in longitude between the Greenwich and Paris observatories. Recounts some difficulties encountered in making the measurements.

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

Herschel2098

From:
Sir John Herschel
To:
William Ritchie
Date:
[27 January 1825]
Source of text:
RS:HS 14.347 (C: RS:HS 20.197)
Summary:

Presented WR's paper on a new photometer to R.S.L. Discusses how objections may be avoided. Believes [John] Leslie's photometer should be thrown aside.

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

Herschel2100

From:
Sir John Herschel
To:
William Ritchie
Date:
[19 February 1825]
Source of text:
RS:HS 20.200
Summary:

Will present alterations of WR's paper to R.S.L. [see JH's 1825-1-27]. Asks if he may describe the similarities between WR's photometer and an instrument JH used in Italy and Sicily.

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

Herschel2442

From:
Sir John Herschel
To:
Edward Sabine
Date:
[20 March 1825]
Source of text:
RS:HS 15.1 & 20.202
Summary:

Comments on ES's measurement [in his Account of Experiments to Determine the Figure of the Earth] indicating 'the increase of the fraction expressing the earth's compression.' Predicts that ES's result will cause a 'sensation,' but does not commit himself to it.

Contributor:
John Herschel Project

Herschel2555

From:
Sir John Herschel
To:
Edward Sabine
Date:
[3 April 1825]
Source of text:
RS:HS 15.2 (C: RS:HS 20.204)
Summary:

Responds to ES's proposal to conduct a series of meteorological observations from the peak of Teneriffe. Promises to bring it before the Board of Longitude for consideration for support.

Contributor:
John Herschel Project
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