Search: Herschel, John in author 
1830-1839::1839 in date 
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Showing 81–100 of 148 items

Herschel4363

From:
Sir John Herschel
To:
Andries Stockenström
Date:
[30 June 1839]
Source of text:
RS:HS 17.18 (C: RS:HS 22.19)
Summary:

Discusses the tensions between AS and Cape Governor George Napier.

Contributor:
John Herschel Project

Herschel4387

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[22 August 1839]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

F. E. Wilmot arrives in Cape Town for direction of the Magnetic Observatory.

Contributor:
John Herschel Project

Herschel4463

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[23 October 1839]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Sends meteorite and analysis to British Museum. Refers to work on Alpha Centauri; predicts occultation in fifteen years. Will move to Collingwood in spring. Announces birth of JH's daughter [Maria Sophia].

Contributor:
John Herschel Project

Herschel4469

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1839-6
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Urges TM to observe Comet Encke. Anxious about Cape Results completion. Announces move to Collingwood. Requests another meteorite sample. Five schoolmasters to be sent to South Africa. Unable to send refractor.

Contributor:
John Herschel Project

Herschel4470

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[28 April 1839]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Sends Michael Faraday's analysis of TM's meteorite specimen. Cape Observatory will receive theodolite and sidereal telescopes. Government orders Antarctic Magnetico-Explorative Expedition. JH's photography work results in unfixed images. Will report on TM's paper concerning the [N. L.] Lacaille's Stations.

Contributor:
John Herschel Project

Herschel4477

From:
Sir John Herschel
To:
J. H. Tredgold
Date:
[18 September 1839]
Source of text:
RS:HS 17.376b (C: 22.26)
Summary:

Discusses Andries Stockenstrom's dismissal. Suspects he will be appointed to some other post.

Contributor:
John Herschel Project

Herschel4630

From:
Sir John Herschel
To:
Admiralty
Date:
[1839 or 1840]
Source of text:
RS:HS 1.14
Summary:

Regarding Thomas Maclear's Cape Meridian.

Contributor:
John Herschel Project

Herschel4694

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[9 October 1839]
Source of text:
RS:HS 1.83 & 22.27
Summary:

George Everest-Thomas Jervis affair. Observations on the production of color by chemical rays.

Contributor:
John Herschel Project

Herschel4979

From:
Sir John Herschel
To:
D. François J. Arago
Date:
[25 June 1839]
Source of text:
RS:HS 1.362 & 22.18
Summary:

Regarding L. J. M. Daguerre's photographic experiments.

Contributor:
John Herschel Project

Herschel5347

From:
Sir John Herschel
To:
Elizabeth [Betty] Plumleigh Babbage
Date:
[22 October 1839]
Source of text:
RS:HS 2.294
Summary:

Birth of JH's daughter [Maria Sophia].

Contributor:
John Herschel Project

Herschel55

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[27 February 1839]
Source of text:
RGO 6.368.620
Summary:

Thanks GA for all his efforts on Thomas Maclear's behalf [see GA's 1839-2-25]; comments on some developments in photography, including the work of Nicephore Niepce done in approximately 1826.

Contributor:
John Herschel Project

Herschel56

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[1 August 1839]
Source of text:
RGO 6.368.622
Summary:

Sympathizes with GA in the family sorrow [deaths of GA's sons Arthur and George]; JH complains that house hunting, and other matters, are keeping him from important work.

Contributor:
John Herschel Project

Herschel58

From:
Sir John Herschel
To:
George Biddell Airy
Date:
[29 November 1839]
Source of text:
RGO 6.368.629 (ACCS RS:HS 25.5.19)
Summary:

About astronomical matters, such as parallax and variable stars.

Contributor:
John Herschel Project

Herschel60

From:
Sir John Herschel
To:
George Biddell Airy
Date:
1839-12-16 to 1840-1
Source of text:
RGO 6.368.632
Summary:

Brief note supporting GA's medal recipient ideas [see GA's 1839-12-16], and adding some of JH's ideas.

Contributor:
John Herschel Project

Herschel6023

From:
Sir John Herschel
To:
Francis Baily
Date:
[14 January 1839]
Source of text:
RS:HS 3.148 (C: RS:HS 25.8.15)
Summary:

Is honored by being nominated as president but would prefer someone else as he is very busy and can ill spare the time.

Contributor:
John Herschel Project

Herschel6026

From:
Sir John Herschel
To:
Francis Baily
Date:
[15 February 1839]
Source of text:
RS:HS 3.151 (C: RS:HS 25.8.16)
Summary:

Approves of the arrangements made by FB regarding the loan of the theodolite.

Contributor:
John Herschel Project

Herschel6028

From:
Sir John Herschel
To:
Francis Baily
Date:
[26 February 1839]
Source of text:
RS:HS 3.153 (C: RS:HS 25.8.17)
Summary:

Will come up to town so that they can work on Thomas Maclear's four foot scale standard. News of the Glasgow Observatory.

Contributor:
John Herschel Project

Herschel6030

From:
Sir John Herschel
To:
Francis Baily
Date:
[9 April 1839]
Source of text:
RS:HS 3.155 (C: RS:HS 25.8.18)
Summary:

Finds that he is unable to attend the Council Meeting so would FB take the chair. Business to be brought before council. Ernesto Capocci has seen a spot on the sun.

Contributor:
John Herschel Project

Herschel6033

From:
Sir John Herschel
To:
Francis Baily
Date:
[28 April 1839]
Source of text:
RS:HS 3.158 (C: RS:HS 25.8.20)
Summary:

On the variability of the star Alpha Cassiopeia.

Contributor:
John Herschel Project

Herschel6034

From:
Sir John Herschel
To:
Francis Baily
Date:
[28 April 1839]
Source of text:
RS:HS 3.159 (C: RS:HS 25.8.19)
Summary:

Has marked Thomas Maclear's paper and returned it to Thomas Galloway.

Contributor:
John Herschel Project
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