Search: Herschel, John in correspondent 
Maclear, Thomas in addressee 
1840-1849 in date 
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Showing 1–13 of 13 items

Herschel4168

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[16 March 1840]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Four appointed directors sent to Cape schools. Will leave Slough in two weeks for Collingwood. Laid William Herschel's telescope to rest at Slough.

Contributor:
John Herschel Project

Herschel4208

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[20 January 1842]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Congratulates TM on work at Zwartland. Fears Cape Results will not be ready within the year.

Contributor:
John Herschel Project

Herschel1181

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1844]
Source of text:
RS:HS 25.15.14
Summary:

States the case for the accuracy of the observations and reports of the discoveries of the sixth and seventh satellites of Saturn made by JH's father, William. [This letter seems to be tied to JH's 1844-7-22 in terms of date of writing.]

Contributor:
John Herschel Project

Herschel4600

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[21 July 1844]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Tries to obtain equatorial telescope for Cape Observatory. Works only on Cape Results and his children's education. Mentions reforms in southern constellations. Announces birth of seventh daughter [Mathilda Rose].

Contributor:
John Herschel Project

Herschel12838

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[22 July 1844]
Source of text:
TxU:H/L-0242; Reel 1054 (Cdraft: RS:HS 25.15.13 inc)
Summary:

'Penny Post' is deluging JH with nuisance mail. Reviews JH's efforts to obtain object glass for equatorial telescope at Cape of Good Hope. Trying to convince G. B. Airy to purchase from Merz and Mahler in Munich, rather than from William Simms. Russia is using TM's 'Cape Arc' in survey of its entire country.

Contributor:
John Herschel Project

Herschel12836

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1845-4-22 or later]
Source of text:
TxU:H/L-0240; Reel 1054
Summary:

Privately acknowledges lack of clarity in William Herschel's report of discovering Saturn's inner rings, but JH was hurt by James South's public refutation of that discovery and by [T. R.] Robinson's abrupt refusal to communicate. Reviews WH's papers to demonstrate falsity of South's claim. Asks TM's opinion.

Contributor:
John Herschel Project

Herschel4138

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[4 May 1845]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Remarks on observation of new comet. Discord in R.A.S. follows Francis Baily's death. C. P. Smyth will leave Cape after being appointed Astronomer Royal to Scotland. Glass for Cape equatorial tested. JH has no success appealing for continuation of Colonial Survey. Southern constellation reform compromised.

Contributor:
John Herschel Project

Herschel4334

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[31 December 1845]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Karl Hencke discovers the asteroid Astrea. Admiralty orders complete equatorial for Cape Observatory; JH explains delay. Complains of poor health.

Contributor:
John Herschel Project

Herschel4583

From:
Sir John Herschel
To:
Thomas Maclear
Date:
1846-[4-22 or later]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Describes controversy over his father's discovery of two satellites of Saturn in detail. Hopes to publish Cape Results before end of year.

Contributor:
John Herschel Project

Herschel4369

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[26 November 1847]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Complains of lack of time for correspondence. Equatorial for Cape Observatory completed. Advises TM to take relaxed observatory schedule to recover health. Cape Results published. Works on Outlines Astr. New governor arrives in Cape Town.

Contributor:
John Herschel Project

Herschel4478

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[12 June 1848]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

William Mann applies for Madras Observatory post; JH believes TM should be consulted for recommendation. [Andrew] Graham, observer for E. J. Cooper, discovered the asteroid Metis. Describes children's education.

Contributor:
John Herschel Project

Herschel11886

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1849-9]
Source of text:
RS:HS 12.245
Summary:

Encloses star observations. Comments on his instrumental system. Cannot find the rule for position when two stars are of equal magnitude. Neptune with the convicts is anchored in Simon's Bay, awaiting the answer from H. G. Grey (3rd Earl Grey).

Contributor:
John Herschel Project

Herschel4479

From:
Sir John Herschel
To:
Thomas Maclear
Date:
[3 December 1849]
Source of text:
Cape Archives/Maclear Papers File 100
Summary:

Thanks TM for double star observations. Refers to convict incident in South Africa.

Contributor:
John Herschel Project
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