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Herschel, John in correspondent 
Maclear, Thomas in addressee 
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From:
Sir John Herschel
To:
Thomas Maclear
Date:
n.d.
Source of text:
RS:HS 12.178bis
Summary:

Comments and queries on various astronomical observations.

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:
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:
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:
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:
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:
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:
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
From:
Sir John Herschel
To:
Thomas Maclear
Date:
3] July [1834
Source of text:
unknown
Summary:

Gives location of a planetary nebula.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
12] August [1834
Source of text:
RS:HS 21.166
Summary:

Discusses JH's recent observations of Gamma Virginis.

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

Predicting poor weather, JH advises TM not to go to the Grove tomorrow.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[12 October 1834]
Source of text:
RS:HS 21.163
Summary:

Comments on social matters, and on what JH has been observing.

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

Invites TM to a meeting of the Meteorological Committee, which James Adamson, Abraham Cloete, and James Bance hope to attend.

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

Wants to learn more about JH's book-keeping system.

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

Thanks JH for reading Andrew Smith's letter.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
7] January [1835
Source of text:
unknown
Summary:

Too ill to attend the South African Institution meeting; asks JH to turn in the packet containing TM's and JH's meteorological observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
15] January [1835
Source of text:
RS:HS 21.165
Summary:

Describing JH's observations and comparing notes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[22 January 1835]
Source of text:
RS:HS 21.169
Summary:

Responds to TM's query in his 1835-1-17 about the effect that motion of the center of the mural circle would have on the microscopic readings.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
5] February [1835
Source of text:
RS:HS 12.179 (C: RS:HS 21.170)
Summary:

Suggests a means of resolving TM's problem with the mural circle.

Contributor:
John Herschel Project