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1830-1839::1839 in date 
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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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
From:
Sir John Herschel
To:
Francis Baily
Date:
[12 August 1839]
Source of text:
RS:HS 3.160 (C: RS:HS 25.8.21)
Summary:

Has had a letter from [John?] Phillips regarding star nomenclature revision. The display of meteors on the 10th was very fine.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[27 September 1839]
Source of text:
RS:HS 3.162 (C: RS:HS 25.8.22)
Summary:

Regarding the Parramatta Observatory. Has produced some colored photographic images.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[17 November 1839]
Source of text:
RS:HS 3.165-6 (C: RS:HS 25.8.23)
Summary:

Further regarding the Cavendish experiments.

Contributor:
John Herschel Project