Search: Herschel, John in addressee 
1820-1829::1826 in date 
letter in document-type 
Sorted by:

Showing 41–60 of 118 items

Herschel12552

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[9 July 1826]
Source of text:
RS:HS 13.422
Summary:

Has received a package of books from JH, some of which will be sent on as instructed. Is interested in the work of JH and James South on double stars. Also comments on parallax measure of the sun and on transits of Venus. Wants to respond to P. S. Laplace's theory of Jupiter and Saturn.

Contributor:
John Herschel Project

Herschel12553

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[30 September 1826]
Source of text:
RS:HS 13.423
Summary:

Is sending JH some of GP's work, some of it to be forwarded. Refers to a note by GP in some of F. X. von Zach's writings, which GP would like to have added to his memoir being published by the Astronomical Society. GP comments on the status of some of his own astronomical projects.

Contributor:
John Herschel Project

Herschel12554

From:
Giovanni Antonio Plana
To:
Sir John Herschel
Date:
[20 October 1826]
Source of text:
RS:HS 13.424
Summary:

Still concerned about possible changes to GP's memoir [see GP's 1826-1-28] due to the work of P. S. Laplace. Comments on illness [?] of F. X. von Zach.

Contributor:
John Herschel Project

Herschel1307

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[4 January 1826]
Source of text:
RS:HS 17.257
Summary:

Asks JH about Dr. Balfour's account in Asiatic Researches about lunar effects on humans in India.

Contributor:
John Herschel Project

Herschel1308

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[27 February 1826]
Source of text:
RS:HS 17.259
Summary:

Comments on Josef Fraunhofer's work on double stars, on quality and color of light from different sources, refraction of different kinds of light, and solution of a problem in conic sections. Is going to Geneva and Modena soon.

Contributor:
John Herschel Project

Herschel1309

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[24 March 1826]
Source of text:
RS:HS 17.260
Summary:

Describes observations made as he travelled and people visited on journey from London to Ancona.

Contributor:
John Herschel Project

Herschel1310

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
1826-7
Source of text:
RS:HS 17.261
Summary:

Talks about Josef Fraunhofer's failing health and his making of flint glass.

Contributor:
John Herschel Project

Herschel1311

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[24 August 1826]
Source of text:
RS:HS 17.262
Summary:

Is sending on two items directed to JH through WT.

Contributor:
John Herschel Project

Herschel1374

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
28 January [1826?]
Source of text:
RS:HS 17.323
Summary:

Questions and comments regarding improvements in microscopy.

Contributor:
John Herschel Project

Herschel1375

From:
William Henry Fox Talbot
To:
Sir John Herschel
Date:
[1826-1]
Source of text:
RS:HS 17.324
Summary:

Comments on several experiments with spectra passing through glass films.

Contributor:
John Herschel Project

Herschel1960

From:
Johann Franz Encke
To:
Sir John Herschel
Date:
[30 May 1826]
Source of text:
TxU:H/M-0180; Reel 1087
Summary:

Will send JH some barometric observations; describes the barometers with which the observations were made.

Contributor:
John Herschel Project

Herschel2056

From:
John Ramage
To:
Sir John Herschel
Date:
[29 May 1826]
Source of text:
RS:HS 14.298
Summary:

Discusses casting and construction of telescope speculae.

Contributor:
John Herschel Project

Herschel2057

From:
John Ramage
To:
Sir John Herschel
Date:
[30 September 1826]
Source of text:
RS:HS 14.299
Summary:

Discusses construction of his 20-foot reflecting telescope, which he modeled after the 40-foot reflector at Slough. Discusses differences of gallery and asks for advice.

Contributor:
John Herschel Project

Herschel2102

From:
William Ritchie
To:
Sir John Herschel
Date:
[14 December 1826]
Source of text:
RS:HS 14.350
Summary:

Heard election for position in London will not take place for several weeks. If JH can secure situation in Virginia for WR, WR will accept it.

Contributor:
John Herschel Project

Herschel2691

From:
William Somerville
To:
Sir John Herschel
Date:
[17 July 1826]
Source of text:
RS:HS 16.383
Summary:

Accepts dinner invitation. Hopes no emergencies arise that would prevent their visit.

Contributor:
John Herschel Project

Herschel2692

From:
William Somerville
To:
Sir John Herschel
Date:
[2 August 1826]
Source of text:
RS:HS 16.384
Summary:

If possible, send a magnetic needle and the prescription for mixing chrome green paint for Mrs. Somerville. Enjoyed visiting JH's mother.

Contributor:
John Herschel Project

Herschel2734

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1826-2]
Source of text:
RS:HS 15.15
Summary:

Encloses a copy of a letter from the astronomer [George] Fisher, who strongly supports the practicability of work in Spitzbergen. Says the letter will be presented to the Council for its consideration in hopes that a special committee will be appointed. Urges JH to show the members the copy.

Contributor:
John Herschel Project

Herschel2736

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1826- 2-23 or later
Source of text:
RS:HS 15.16
Summary:

Claims 'it never entered [his] head' that an appointed committee would be influenced solely by the need to defend its decisions. Restates his opinion that the subject should be properly considered.

Contributor:
John Herschel Project

Herschel2737

From:
Edward Sabine
To:
Sir John Herschel
Date:
[1826]
Source of text:
RS:HS 15.17
Summary:

Thanks JH and Charles Babbage for their paper on the magnetic experiments. Asks to have 20 extra copies of the paper on the rocket experiments made when it is printed. Speaks of travel expenses. Mentions [T. F.] Colby's opinions regarding the Spitzbergen measurements.

Contributor:
John Herschel Project

Herschel2882

From:
Heinrich Christian Schumacher
To:
Sir John Herschel
Date:
[30 March 1826]
Source of text:
RS:HS 15.373
Summary:

Announces a new step to all astronomers toward understanding the solar system due to work of [Thomas] Clausen of the Altona observatory. Clausen recognized that the comet discovered by Biela was the same as that of 1805 and 1772. HS gives details of circumstances.

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