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John Herschel in collection 
1830-1839 in date 
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From:
Sir John Herschel
To:
Humphrey Lloyd
Date:
1839-3-[15 or earlie
Source of text:
RS:HS 25.14.20
Summary:

Passes on the suggestion, from G. B. Airy, of the use of copper rings for damping the movements of measuring instruments in measuring terrestrial magnetism.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John William Lubbock
Date:
30 April [1839]
Source of text:
RS:HS 25.14.21
Summary:

Has just done photographic experiments using bromine paper, and is very pleased with them. JH notes in a postscript that he had just received a letter from W. H. Fox Talbot stating that Fox Talbot had just discovered bromine paper as well.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Sir James McGrigor
Date:
[20 June 1836]
Source of text:
RS:HS 12.17 & 21.208
Summary:

Regarding the affair of Dr. Andrew Smith, who has done good work with an expedition. Thinks it desirable that Smith should be given leave of absence to return to England and write up the expedition.

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:
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:
[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
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1835-7]
Source of text:
RS:HS 21.192
Summary:

Has interpolated the hourly tidal observations for Simon's Bay.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Henry Smyth
Date:
[1833]
Source of text:
RS:HS 25.14.31
Summary:

Encourages WS to spend time observing nebulae and double stars, especially the latter, 'since [James] South has given up observing, and [W. R.] Dawes is in habitual ill health.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
15] August [1835
Source of text:
RS:HS 21.167
Summary:

Reports having read the record JH sent of [tidal] observations and comments on it.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[13 October 1836]
Source of text:
RS:HS 12.95 (C: RS:HS 21.212)
Summary:

Reports on JH's actinometer observations. Explains why he subscribed to 'Col. [Harry] Smith's piece of plate.'

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1837-6-23 or 24]
Source of text:
RS:HS 21.193
Summary:

Discusses various matters relating to telescopic and to tidal observations. Relays request from William Whewell that TM continue tidal observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
15] July [1837
Source of text:
RS:HS 21.194
Summary:

Comments on stellar observations made by TM and reports JH's observations on sunspots. Notes error in [J. E.] Bode's celestial map.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Robert Treat Paine
Date:
[26 August 1836]
Source of text:
RS:HS 25.15.3
Summary:

Mostly about periodic meteors [see RP's 1836-5-24], which JH observed in November 1835. JH offers some theoretical explanation for such a phenomenon.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
J. H. Rutherford
Date:
[6 June 1837]
Source of text:
RS:HS 25.15.5
Summary:

Wants some rewording in the statement that is to go with the monetary support for John Fairbairn [see JR's 1837-6-6].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
J. H. Rutherford
Date:
[4 July 1837]
Source of text:
RS:HS 25.15.6
Summary:

Continues to be concerned that the support for John Fairbairn not be seen as a political act, nor as one intended to impugn the decision of the South African Court of Justice. [Letter completed with a lengthy postscript on 1837-7-10.]

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Thomas Napier
Date:
[11 December 1839]
Source of text:
RS:HS 25.15.10
Summary:

Is working towards having the government hire the school masters [see GN's 1839-9-30] that GN asked JH to find. JH has also spoken to Lord John Russell about Andries Stockenstrom's plight. [Letter finally completed on 1840-2-11.]

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
[1839]
Source of text:
RS:HS 12.178
Summary:

Has heard from G. B. Airy that T. F. Colby has written to Ireland for the compensation bars. An additional assistant has been designated but no appointment made yet. Received a letter from their good friend but does not feel justified in bringing it to the notice of a minister. Admiralty has borrowed Fuller's theodolite (from R.A.S.) and the mural circle should soon arrive. Gives Michael Faraday's analysis of the meteorolite.

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
From:
Sir John Herschel
To:
Thomas Maclear
Date:
24] September [1837
Source of text:
RS:HS 12.196
Summary:

Has received books and papers by the Beagle but only one letter and nothing from Francis Beaufort. Expects a party of visitors from the Beagle. If JH intends to visit the Bay, TM would like to accompany him.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Thomas Maclear
Date:
26 September [1835]
Source of text:
RS:HS 12.212
Summary:

Found Encke's Comet the night before last. Has not had a chance to see Halley's Comet. Will JH come to the Observatory? There are no fleas.

Contributor:
John Herschel Project