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Maclear, Thomas in correspondent 
1830-1839::1836 in date 
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From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-3-5 to 23]
Source of text:
RS:HS 21.201
Summary:

Has compared TM's observational measurements with those of the Brisbane catalogue, and finds TM's observations to be better; is working on a star photometer.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[5 March 1836]
Source of text:
RS:HS 21.203
Summary:

JH's observations of the comet [Halley's], together with comments on constellation nomenclature and stellar magnitudes.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
1836-3-5/6
Source of text:
unknown
Summary:

Calculates the location of [Halley's] comet.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[5 March 1836]
Source of text:
RAS:JH Archive 7/3.10; Reel 8
Summary:

Observation of Halley's Comet. Sends servant to pick up information on star 'Constants.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-3-10/11]
Source of text:
unknown
Summary:

Star within 20 seconds of the nucleus of the comet [Halley's].

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
11] March [1836
Source of text:
RS:HS 12.238
Summary:

Encloses the list in JH's own handwriting. Has placed two silver wires in the eye piece of the micrometer. Will JH secure him some cobweb for placing in the micrometer.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
24] March [1836
Source of text:
RS:HS 12.231
Summary:

Sends the original of the barometer observations as he cannot spare the time to copy them. Had hoped to have the Brisbane stars ready on Monday. Comet was invisible last night.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1836-3-25 or 26]
Source of text:
RS:HS 21.200
Summary:

Has installed his astrometer to help judge star magnitudes; also makes a comparison of barometric observations with those of TM.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[28 March 1836]
Source of text:
RS:HS 12.86
Summary:

Dr. Andrew Smith called yesterday. Has succeeded in establishing a postal system for the Observatory. The comet was faint last evening. Had a parcel from the Admiralty but no word about the tide gauge. Sends the Simon's Bay observations, also the P. P. Barraud chronometer, which loses time at a great rate.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[31 March 1836]
Source of text:
RS:HS 21.204
Summary:

Sending some equipment back and forth, and some astrometer readings.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[2 April 1836]
Source of text:
unknown
Summary:

Arranges to have tea with TM tomorrow at the Royal Observatory.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
5] April [1836
Source of text:
RS:HS 12.185
Summary:

Returns the hourly observations of the last equinox. There will be a meeting of the Institute tomorrow. Has removed the silver lines from the mural circle and replaced them by Bermuda cobwebs. Would like to insert these in JH's micrometer. Has been busy calculating a large table of precessions in R.A. Capt. Alexander should desist from newspaper writing.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[15 April 1836]
Source of text:
RAS:JH Archive 7/3.12; Reel 8
Summary:

Letters from W. H. Smyth. Notes on Halley's Comet and possible planet sighting.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
21] April [1836
Source of text:
RS:HS 21.205
Summary:

Sends observations of several more standard stars, and of the comet.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
[23 April 1836]
Source of text:
RS:HS 12.87
Summary:

Believes his acquaintance with the comet is drawing to a close. A 30" transit was placed in the meridian last night. Returns the Pulkova observations. Believes the bad weather may have upset Lady Herschel's journey.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[10 May 1836]
Source of text:
C: RS:HS 21.206 inc
Summary:

Asks TM to accompany himself and Daniel Cloetes in hunting a leopard.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
10 May] [1836
Source of text:
RS:HS 12.228
Summary:

Mural and transit are at JH's command. Will have pleasure in joining him on Saturday. Has a good supply of balls and will procure some goose shot.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[24 May 1836]
Source of text:
unknown
Summary:

Does not want to compute precessions for each individual star.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
24] May [1836
Source of text:
RS:HS 12.184
Summary:

Has asked Dr. Andrew Smith, Capt. J. E. Alexander, and their friends for Saturday; hopes JH can join them. Has recognized fifteen of the November cometary stars; they are in Harding's map with one exception. The Ephemeris will require a small correction.

Contributor:
John Herschel Project
From:
Thomas Maclear
To:
Sir John Herschel
Date:
30] May [1836
Source of text:
RS:HS 12.234
Summary:

Is proceeding at a respectable speed with the Brisbane list. Has received [Andrew?] Smith's box safely. Saw Dr. Smith last night; he is more reconciled. Many thanks for the trees; the ground is suitable to receive them.

Contributor:
John Herschel Project