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1830-1839::1834 in date 
Herschel, John in author 
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From:
Sir John Herschel
To:
James Prinsep
Date:
[1834 to 1838]
Source of text:
TxU:H/L-0317; Reel 1054
Summary:

Recent article in Journal of Asiatic Society of Bengal confirms JH's notion about transfer of atmospheric pressure between hemispheres. Meteorological journal from 1828 to 1833 of Captain Barnes, port officer of Cape Town, provided JH with formula for determining annual maxima and minima of pressure.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1834 to 1835]
Source of text:
RS:HS 25.14.26
Summary:

Comparisons of the functioning of JH's barometer and that of TM.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Unidentified
Date:
[1834 to 1838]
Source of text:
WT 65667
Summary:

Describes in detail many of the plants at the Cape, especially flowering and variously scented ones.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Richardson
Date:
[17 January 1834]
Source of text:
RS:HS 14.483 (RS:HS 21.155)
Summary:

Includes temperature readings for waters near the Cape. Sends 'Thomson's Lunar Tables' and [Thomas] 'Lynn's Horary Tables.' Servant's health is failing. May have to send her home immediately.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[21 January 1834]
Source of text:
TxU:H/L-0579.1; Reel 1058
Summary:

Reports that they are 'safely landed and comfortably housed' in Africa. The Herschels were at sea for nine weeks and two days. Required several days to unload the instruments and luggage from the ship. Has chosen a house, about five miles from town, called 'The Grove.' Excited with the calm, clear nights, which will be excellent for observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Francis Baily
Date:
[23 January 1834]
Source of text:
RS:HS 3.120 (C: RS:HS 21.154 & 25.8.1)
Summary:

Has arrived safely and unpacked his instruments. Has seen a suitable house for his observatory. Difficulty with the female servant brought from England. Has met Thomas Maclear. Difficulties of the latter.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[23 January 1834]
Source of text:
RS:HS 21.156
Summary:

Matters relating to providing observatory instruments to an expedition into Central Africa.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[28 January 1834]
Source of text:
TC, Camb. Add. Ms.a.20723 (CC: RS:HS 25.3.18)
Summary:

Has arrived at Cape Town; finds it an 'Earthly Paradise.' Describes its climate and noteworthy features of the southern heavens. JH's views on geology transformed by having read volume III of Charles Lyell's Principles of Geology.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
4] February [1834
Source of text:
unknown
Summary:

Oppressive heat prevents JH from visiting. Sending a list of furniture from Major John Ross's house, which JH definitely will purchase.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Charles Babbage
Date:
[9 February 1834]
Source of text:
RS:HS 2.286
Summary:

Is settled near Cape Town. Experiences on the voyage. Details of his telescope arrangements, and observations carried out.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John Fairbairn
Date:
[1 March 1834]
Source of text:
RS:HS 21.157 (draft RS:HS 7.141verso)
Summary:

Comments on a visit to the infant school, including comments on the equality of black and white children.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[2 March 1834]
Source of text:
RS:HS 21.158
Summary:

Informs TM that JH's 20-ft. telescope is fully in operation; invites TM to come and observe with it.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Caroline Lucretia Herschel
Date:
[28 March 1834]
Source of text:
TxU:H/L-0579.2; Reel 1058
Summary:

Reviews his voyage to Africa in case CH did not receive JH's 1834-1-21 letter. Repairing the house that they bought outside of Cape Town, called 'Feldhausen' by the Dutch and 'The Grove' by the English; they are staying at another home close by. Happy that Table Mountain near the house shelters Feldhausen from southeast gales.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
[Duncan] Stewart
Date:
1834-4
Source of text:
UCT JH Letters A1.47 (C: Univ. of Witwatersrand) South African Libraries, 7 (19
Summary:

After a very candid analysis of his own strengths and limitations in learning, JH surveys mathematics and empirical science, noting the works of highest quality and greatest accessibility. JH then provides an analysis of historical inquiry and the allied area of political philosophy, stressing the importance of statistically based studies. Concludes by a discussion of philosophy, especially logic and methodologies of inquiry.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[2 April 1834]
Source of text:
unknown
Summary:

Saw a 'small round perfectly defined body' last night that looks like a planet.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[4 April 1834]
Source of text:
RS:HS 21.159
Summary:

Found a 'very fine' planetary nebula. Unable to learn anything conclusive from TM's microscope readings. JH's observation tower is erected and is currently being plastered.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
James Calder Stewart
Date:
[13 April 1834]
Source of text:
TxU:H/L-0415; Reel 1055
Summary:

Describes Wynberg's climate, plants, scenery, and social customs. Margaret's collection of flower paintings. 20-ft. telescope became active on 26 Feb. Duncan Stewart departed today aboard Claudine. Thank Peter [Stewart] for papers sent to JH. French Academy awarded medal to JH.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[15 April 1834]
Source of text:
unknown
Summary:

Happy that TM is handling his facial paralysis so well; JH believes that it is due primarily to anxiety and overwork.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[15 May 1834]
Source of text:
RS:HS 21.160
Summary:

Describes voyage to Cape as being uneventful. 20-ft. reflector operating since late February; has already examined much of the southern sky. Believes the Milky Way is not equidistant from the earth at all points; and that the earth is between Canopus and Alpha Centauri. Amazed at clusters such as Omega Centauri. Describes richness of Magellanic Clouds. Details progress in erecting instruments. Sends observations of Alpha Crucis, which he believes is a double star.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
1] June [1834
Source of text:
RS:HS 21.161
Summary:

JH will break his rule about never going out when it is possible to sweep the sky, and dine with TM; will offer some help over mural circle problems.

Contributor:
John Herschel Project