Search: Herschel, John in author 
John Herschel Project in contributor 
1820-1829::1823 in date 
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Herschel1229

From:
Sir John Herschel
To:
Marc Seguin
Date:
[22 June 1823]
Source of text:
RS:HS B26.61
Summary:

Will send MS's communication about the theory of caloric to some scientific journals, rather than the Astronomical Society, where it would be inappropriate. Comments on caloric theory.

Contributor:
John Herschel Project

Herschel1494

From:
Sir John Herschel
To:
Robert M. Patterson
Date:
[28 March 1823]
Source of text:
APS (no i.d.)
Summary:

Writes to acknowledge the receipt of a volume of the Transactions of the Philosophical Society of Philadelphia.

Contributor:
John Herschel Project

Herschel4055

From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[1 August 1823]
Source of text:
TxU:H/L-0568; Reel 1058
Summary:

Researching double stars. Comparing his finding to William Herschel's, finds that most are compatible. The 40-ft. reflector is unusable, but hopes to try the 20-ft. Heard that WH's papers will be translated into German; wishes Johann Pfaff to undertake it. Asks CH to send him a copy of the finished translation.

Contributor:
John Herschel Project

Herschel4444

From:
Sir John Herschel
To:
Lord Mayor of London
Date:
3 June [1823]
Source of text:
Harvard: Houghton AAH 67m-67
Summary:

Will attend meeting of Lord Mayor's Committee to rebuild London Bridge.

Contributor:
John Herschel Project

Herschel5237

From:
Sir John Herschel
To:
Charles Babbage
Date:
[4 March 1823]
Source of text:
RS:HS 2.183
Summary:

Events at Cambridge. Has a paper by A. L. Cauchy for him. Has met Humphry Davy and discussed CB's machine. CB is celebrated in verse.

Contributor:
John Herschel Project

Herschel5240

From:
Sir John Herschel
To:
Charles Babbage
Date:
[5 July 1823]
Source of text:
RS:HS 2.186
Summary:

Has signed the paper regarding the machine and is returning it. Regarding its publicity with Members of Parliament.

Contributor:
John Herschel Project

Herschel5243

From:
Sir John Herschel
To:
Charles Babbage
Date:
[29 July 1823]
Source of text:
RS:HS 2.189
Summary:

Regarding the Chancellor of the Exchequer and the calculating machine. Recent astronomical observations.

Contributor:
John Herschel Project

Herschel5781

From:
Sir John Herschel
To:
David Brewster
Date:
[17 February 1823]
Source of text:
RS:HS 20.161
Summary:

Some comments on sun spots based on William Herschel's ideas; considering a collection of William Herschel's writings but publishers not interested.

Contributor:
John Herschel Project

Herschel5782

From:
Sir John Herschel
To:
David Brewster
Date:
[23 June 1823]
Source of text:
RS:HS 20.164
Summary:

Forwarding to DB, through Hans Christian Oersted, a paper on caloric by Marc Seguin.

Contributor:
John Herschel Project

Herschel5783

From:
Sir John Herschel
To:
David Brewster
Date:
[29 November 1823]
Source of text:
RS:HS 20.169
Summary:

Some comments on observations by Continental observers; matters related to sending books and papers.

Contributor:
John Herschel Project

Herschel5802

From:
Sir John Herschel
To:
David Brewster
Date:
[1823]
Source of text:
RS:HS 4.272 (C: RS:HS 25.13.17)
Summary:

Sends an abstract of his paper on observations relating to the practical construction of telescopes [JH's 'Practical Rules,' 1822]. Would like 25 copies for distribution. His recent experiments with polarized light.

Contributor:
John Herschel Project

Herschel7320

From:
Sir John Herschel
To:
George Dollond
Date:
[1 February 1823]
Source of text:
RS:HS 20.160
Summary:

Sends some calculations relating to the construction of lenses.

Contributor:
John Herschel Project

Herschel7407

From:
Sir John Herschel
To:
[Jean Louis] Pons
Date:
[10 December 1823]
Source of text:
RAS:JH Archive 6/2.12 verso; Reel 8
Summary:

Society awarded JP silver medal. JH willing to accept on JP's behalf and forward it.

Contributor:
John Herschel Project

Herschel8187

From:
Sir John Herschel
To:
David Brewster
Date:
[2 December 1823]
Source of text:
RS:HS 19.4
Summary:

Vol. 6 and 7 of F. W. Bessel's observations. Did DB receive JH's paper?

Contributor:
John Herschel Project

Herschel8193

From:
Sir John Herschel
To:
Pierre Simon Laplace
Date:
[15 August 1823]
Source of text:
National Maritime Museum (AAbs: RS:HS 19.7)
Summary:

Letter of introduction to Mr. Robison, son of Edinburgh professor. Thanks PL for sending JH books 11 and 12 of LP's Mécanique céleste. Hopes to see PL's 'perturbations of Ceres and [J. F.] Encke's Comet.' JH's and James South's work on double stars verified views PL once held. Hopes François Arago will publish observations of double stars.

Contributor:
John Herschel Project

Herschel8197

From:
Sir John Herschel
To:
Molyneux & Cope
Date:
13] January [1823
Source of text:
RS:HS 19.8
Summary:

J. J. von Littrow delighted with clock sent by M & C and commissions JH to order another for L. A. Fallon, director of Great Austrian Trigonometrical Survey. Describes modifications. Contact Littrow for further details.

Contributor:
John Herschel Project

Herschel8202

From:
Sir John Herschel
To:
Johann Wilhelm A. Pfaff
Date:
20] October [1823
Source of text:
RS:HS 19.10
Summary:

Heard from H. C. Schumacher that JP plans to translate William Herschel's works into German. Sends five bound volumes, three papers, and list of papers printed in R.S.P.T. Promises to send biography of William Herschel when it is finished.

Contributor:
John Herschel Project

Herschel8204

From:
Sir John Herschel
To:
Heinrich Christian Schumacher
Date:
[20] October 1823
Source of text:
RS:HS 19.11
Summary:

Sends packet of books and papers for delivery to J. W. A. Pfaff, copy of JH's 'Essay on Physical Astronomy,' and JH's and James South's work on double stars. Promises to send biographical notice of William Herschel. Astronomical Society received HS's 'Schreiben en Dr. Olbers.'

Contributor:
John Herschel Project

Herschel8206

From:
Sir John Herschel
To:
Wilhelm Struve
Date:
[29 March 1823]
Source of text:
RS:HS 20.162
Summary:

WS was elected associate of Astronomical Society. Distributed books as WS directed. Will send JH's and James South's observations of double stars when printed. Neither Thomas Young nor William Herschel received WS's Dorpat observations.

Contributor:
John Herschel Project

Herschel8244

From:
Sir John Herschel
To:
Henry Kater
Date:
[31 July 1823]
Source of text:
RS:HS 19.51 (C: RS:HS 20.165)
Summary:

'Our micrometer screws' are not in error. F. G. W. Struve's star measurements using Josef Fraunhofer's repeating micrometer agree well with JH's. So error must be in HK's observations.

Contributor:
John Herschel Project
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