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Maclear, Thomas in correspondent 
1830-1839::1838 in date 
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Herschel11752

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[13 January 1838]
Source of text:
RS:HS 12.111
Summary:

The zenith sector seems to perform very well, and he is now ready to move it to the stations. Has been troubled with cloudy weather. C. P. Smyth is working the mural circle on the stars. Thomas Jones has not prepared the diagonal scale promised by Francis Baily. Has not been well lately. No news from England except that Admiral George Elliott has permission from the Admiralty to settle the land question. Encloses a catalogue of Zenith stars.

Contributor:
John Herschel Project

Herschel12131

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[16 January 1838]
Source of text:
RS:HS 21.239
Summary:

JH is preparing to bring his observations at the Cape to a close; has polished a mirror for TM.

Contributor:
John Herschel Project

Herschel12132

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[21 January 1838]
Source of text:
RS:HS 21.240
Summary:

On the variability of Alpha Hydrae and some other stars.

Contributor:
John Herschel Project

Herschel11824

From:
Thomas Maclear
To:
Sir John Herschel
Date:
24] January [1838
Source of text:
RS:HS 12.183
Summary:

Thanks for information in his letter. Agrees with JH about the variability of Hydra. Argus is returning to its original brightness. The zenith sector is down and in parts and hopes to get it re-erected on Friday. Results at the Observatory are very good.

Contributor:
John Herschel Project

Herschel11738

From:
Thomas Maclear
To:
Sir John Herschel
Date:
183[8]-1-28
Source of text:
RS:HS 12.100
Summary:

C. P. Smyth will deliver the micrometer series JH lent him for examining the values of the transit level scale; comments on this. Had another peep at the stars JH mentioned and still finds Argus larger than Rigel. The tent fills Mrs. De Witt's yard. She is a friend and correspondent of Charles Grant (Baron Glenelg).

Contributor:
John Herschel Project

Herschel11753

From:
Thomas Maclear
To:
Sir John Herschel
Date:
1 February [1838]
Source of text:
RS:HS 12.112
Summary:

Will not be time to take the zenith sector to Klypfonteyn before JH's departure. Must finish work with the pendulum as it has to be returned to Francis Baily via JH. Will ride over on Sunday morning.

Contributor:
John Herschel Project

Herschel12133

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[3 February 1838]
Source of text:
RS:HS 21.241
Summary:

Urges against carrying up Table Mountain the zenith sector sent to TM to check N. L. Lacaille's measurement of a degree of terrestrial longitude. Comments on JH's skill with precision instruments.

Contributor:
John Herschel Project

Herschel11756

From:
Thomas Maclear
To:
Sir John Herschel
Date:
4] February [1838
Source of text:
RS:HS 12.115
Summary:

Intended calling on JH today but legs and feet were too swollen. Has postponed his journey to Klypfonteyn until the first week in March, to make some alterations to the instrument. Is glad JH will visit the mountains with him. Believes the Thalia is about to sail soon. Formalhoet is now useless at noon.

Contributor:
John Herschel Project

Herschel4581

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[9 February 1838]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Received meteorite specimen. Michael Faraday will conduct analysis. Admiralty agrees to give TM an assistant. Finds a theodolite telescope for Cape Observatory.

Contributor:
John Herschel Project

Herschel3804

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1] March [1838
Source of text:
unknown
Summary:

Asks TM to set JH's chronometer and barometer.

Contributor:
John Herschel Project

Herschel12134

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1838-3[-7]
Source of text:
RS:HS 21.244
Summary:

Final arrangements before JH and family depart for England.

Contributor:
John Herschel Project

Herschel4013

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[3 April 1838]
Source of text:
unknown
Summary:

Describes observations made while aboard the Windsor Castle. Mentions stopover at St. Helena.

Contributor:
John Herschel Project

Herschel4471

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[20 June 1838]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Arrived in England on 19 May after a nine week voyage. Made suggestions to Lord Minto [Gilbert Elliott] concerning Cape Observatory, including Magnetic Observatory, mural circle repair, and the addition of a theodolite telescope.

Contributor:
John Herschel Project

Herschel11754

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[21 September 1838]
Source of text:
RS:HS 12.113
Summary:

Sends report on [N. L.] Lacaille's Observatory Stations. Tells of expeditions to Klipfontein. Lack of observing due to absence at Cape. Mural circle must be corrected or replaced. Needs an equatorial telescope. Agrees theodolite telescope would be useful.

Contributor:
John Herschel Project

Herschel11755

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[29 October 1838]
Source of text:
RS:HS 12.114
Summary:

Mr. Borcherd's son, who is contemplating work in the educational field in South Africa, would like to call on JH to obtain his advice. Question of the land about the Observatory has been settled. Has had a copy of G. B. Amici's paper on a prismatic reflecting circle; comments on this.

Contributor:
John Herschel Project

Herschel4170

From:
Thomas Maclear
To:
Sir John Herschel
Date:
[29 October 1838]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Property of Royal Observatory will be extended.

Contributor:
John Herschel Project

Herschel4215

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1838-11
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Lord Normanby stalling education system program. Government recognizes Land Observatories. Writes letter to Admiralty requesting TM's assistant remain at Royal Observatory.

Contributor:
John Herschel Project
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