Search: John Herschel Project in contributor 
1840-1849::1845 in date 
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From:
George Peacock
To:
Sir John Herschel
Date:
[9 May 1845]
Source of text:
RS:HS 13.296
Summary:

Several items of R.S.L. business.

Contributor:
John Herschel Project
From:
George Peacock
To:
Sir John Herschel
Date:
[10 May 1845]
Source of text:
RS:HS 13.297
Summary:

Provides detailed information about JH's responsibilities as President of the B.A.A.S.

Contributor:
John Herschel Project
From:
George Peacock
To:
Sir John Herschel
Date:
[23 May 1845]
Source of text:
RS:HS 13.298
Summary:

Further arrangements about the B.A.A.S. meeting [see GP's 1845-5-10].

Contributor:
John Herschel Project
From:
George Peacock
To:
Sir John Herschel
Date:
[13 June 1845]
Source of text:
RS:HS 13.299
Summary:

Still more about B.A.A.S. meeting arrangements, especially about the magnetic survey {see GP's 1845-5-23].

Contributor:
John Herschel Project
From:
George Peacock
To:
Sir John Herschel
Date:
[18 June 1845]
Source of text:
RS:HS 13.300
Summary:

Brief note alerting JH to the presence of a foreign visitor.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Hasledine Pepys
Date:
[9 November 1845]
Source of text:
RS:HS 13.339 & 22.256
Summary:

Asks WP to recall the particulars of an experimental session [see WP's 1823-3-11] where JH tried to demonstrate the polarization of light by an electrical current in a coil of wire.

Contributor:
John Herschel Project
From:
William Hasledine Pepys
To:
Sir John Herschel
Date:
[12 November 1845]
Source of text:
RS:HS 13.340
Summary:

WP identifies date and people present at the time of the experiment referred to by JH in his 1845-11-9.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Hugh Percy (3rd Duke of Northumberland)
Date:
[12 June 1845]
Source of text:
RS:HS 13.356 inc & 22.243
Summary:

Sends copies of plates and details about them, and expects printing of JH's Cape Results to begin early in 1846.

Contributor:
John Herschel Project
From:
Henry Piddington
To:
Sir John Herschel
Date:
[3 September 1845]
Source of text:
RS:HS 13.403
Summary:

Is sending JH some powder that HP thinks might be a good compound for polishing telescope specula.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Georg Merz & Son
Date:
[7 November 1845]
Source of text:
RS:HS 25.6.29
Summary:

Is now finally empowered to order the telescope he inquired about [see JH's 1843-9-2].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Georg Merz & Son
Date:
[24 December 1845]
Source of text:
RS:HS 25.6.31
Summary:

Some modifications to the telescope ordered [see JH's 1845-11-7].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[11 May 1845]
Source of text:
TxU:H/L-0015; Reel 1054
Summary:

Gives reasons why telescope for Cape Observatory should be as perfect as possible. Doubts that its 'finder' is adequate.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[10 October 1845]
Source of text:
TxU:H/L-0016; Reel 1054
Summary:

Results of testing at Collingwood by JH and W. R. Dawes of two 8-inch object glasses made by William Simms for Cape of Good Hope observatory.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
George Biddell Airy
Date:
[14 October 1845]
Source of text:
TxU:H/L-0017; Reel 1054
Summary:

Supplement to JH's report [see JH's 1845-10-10] on object glasses for Cape Observatory. Different results at lower powers when observing planets.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
Chairman H.E.I.C. Court of Directors
Date:
1845-7
Source of text:
TxU:H/L-0133; Reel 1054
Summary:

B.A.A.S. resolutions include closing H.E.I.C. magnetic and meteorological observatories at Simla and Singapore but continuing those in Bombay and Madras. Propose magnetic survey of India Sea.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
John R. Hind
Date:
[6 October 1845]
Source of text:
TxU:H/L-0192; Reel 1054
Summary:

Rejoices that RH is studying orbit of Mu2 Bootis. Suggests way to simplify calculations. Compares orbits for Gamma Virginis calculated by various observers. Notice of systematic errors.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
the London Times
Date:
[19 April 1845]
Source of text:
TxU:H/L-0230; Reel 1054
Summary:

Responds to recently printed letter by James South. Denies South's assertion and confirms that William Herschel did discover two interior satellites of Saturn with 40-feet reflector telescope in 1789.

Contributor:
John Herschel Project
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
From:
Sir John Herschel
To:
William Henry Chichele Plowden
Date:
[14 March 1845]
Source of text:
TxU:H/L-0314; Reel 1054
Summary:

Encourages board of directors to pay for publication of magnetic and meteorological observations made at four H.E.I.C. observatories. Names countries that participated in global survey.

Contributor:
John Herschel Project
From:
John Phillips
To:
Sir John Herschel
Date:
[18 June 1845]
Source of text:
RS:HS B27.66
Summary:

Invites JH to come to the magnetic conference meeting being held at the B.A.A.S. meeting.

Contributor:
John Herschel Project