Search: letter in document-type 
1830-1839::1835 in date 
Maclear, Thomas in correspondent 
Sorted by:

Showing 1–20 of 81 items

Herschel11856

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[1835 or later]
Source of text:
RS:HS 12.215
Summary:

Urging JH to recommend the services of Lieut. James Bance to Gilbert Elliot (2nd Earl of Minto).

Contributor:
John Herschel Project

Herschel3791

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

Herschel11677

From:
Thomas Maclear
To:
Sir John Herschel
Date:
10 January [1835]
Source of text:
RS:HS 12.42
Summary:

Expects an occultation of Jupiter this evening. Hopes JH enjoyed the fine cool breeze of last evening. Another English vessel reported. N.S. Wales acacias are showing signs of ambition.

Contributor:
John Herschel Project

Herschel11678

From:
Thomas Maclear
To:
Sir John Herschel
Date:
11 January [1835]
Source of text:
RS:HS 12.43
Summary:

Readings for the occultation of Jupiter.

Contributor:
John Herschel Project

Herschel12095

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

Herschel11694

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[17 January 1835]
Source of text:
RS:HS 12.59
Summary:

Wind is likely to be higher in the evening. Would like JH's views on the effect that the motion of the center of the mural circle has on the readings of the microscopes. Wind was too high last night to observe Zeta Octantes.

Contributor:
John Herschel Project

Herschel12096

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

Herschel11820

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

Herschel12097

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[7 February 1835]
Source of text:
RS:HS 21.171
Summary:

Additional approaches to resolving TM's mural circle problem [see JH's 1835-2-5].

Contributor:
John Herschel Project

Herschel11695

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[12 February 1835]
Source of text:
RS:HS 12.60
Summary:

Has just finished the observations of Mars and the circle is free from any particular use. Further comments on his query regarding the motion of the center of the mural circle. Would like JH's assistance on the examination. Has had some brass ingots stolen from the observatory.

Contributor:
John Herschel Project

Herschel11696

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[18 February 1835]
Source of text:
RS:HS 12.61
Summary:

Sends the projection of Monday's readings and one of those from the lever of contact for comparison; comments on this.

Contributor:
John Herschel Project

Herschel11867

From:
Thomas Maclear
To:
Sir John Herschel
Date:
21] February [1835
Source of text:
RS:HS 12.226
Summary:

Has replied to Richard Sheepshanks in the Memoirs of the Astronomical Society. Is surprised how near he got to the general figure described by the Circle Centre. Comments on calculations he intends to carry out. Cannot say decidedly that Zeta Octantes is double; it is doubtful seen through the 8-ft. transit.

Contributor:
John Herschel Project

Herschel12098

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[23 February 1835]
Source of text:
RS:HS 21.172
Summary:

More on the mural circle [see JH's 1835-2-7].

Contributor:
John Herschel Project

Herschel3904

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[3 March 1835]
Source of text:
unknown
Summary:

Found two planetary nebulae not listed in any catalog; hopes to show them to JH tonight.

Contributor:
John Herschel Project

Herschel3905

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-3-7 or 8]
Source of text:
unknown
Summary:

Apologizes for his erroneous reduction. Thanks TM for his list of 'Zenith points.'

Contributor:
John Herschel Project

Herschel11697

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[7 March 1835]
Source of text:
RS:HS 12.62
Summary:

Has been unable to locate the planetary nebulae; did JH give their places correctly, or is the instrument unequal to the task? Sends a comparison of John Pond's declinations and the Cape Zenith distances. Comments on the latitude of the Cape. The Hungerford got off yesterday.

Contributor:
John Herschel Project

Herschel11698

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-3-8 or 9]
Source of text:
RS:HS 21.168
Summary:

Reports on location of a planetary nebula. Expresses thanks for book by [Robert] Woodhouse.

Contributor:
John Herschel Project

Herschel12099

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[16 March 1835]
Source of text:
RS:HS 21.173
Summary:

Some comments about constant error in TM's observations.

Contributor:
John Herschel Project

Herschel11846

From:
Thomas Maclear
To:
Sir John Herschel
Date:
17?] March [1835
Source of text:
RS:HS 12.205
Summary:

Much obliged for JH looking over the observations. Comments on these and the accuracy of the Cape circle and mural circle. Will send his observations on Crucis.

Contributor:
John Herschel Project

Herschel11848

From:
Thomas Maclear
To:
Sir John Herschel
Date:
30 March [1835]
Source of text:
RS:HS 12.207
Summary:

Encloses the Brisbane observations. Appears to be a discrepancy in some of the stars.

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