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Herschel, John in correspondent 
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From:
William Whewell
To:
Sir John Herschel
Date:
[27 May 1858]
Source of text:
TxU:H/M-5075
Summary:

Believes that it is not worth the cost to sustain many permanent magnetic observatories, but a few for a limited time would make sense. Unclear which observatories these should be.

Contributor:
John Herschel Project
From:
William Whewell
To:
Sir John Herschel
Date:
[18 July 1858]
Source of text:
TxU:H/M-5076
Summary:

Generally approves of Edward Sabine's plan concerning magnetic observatories.

Contributor:
John Herschel Project
From:
William Whewell
To:
Sir John Herschel
Date:
[29 September 1859]
Source of text:
RS:HS 18.214
Summary:

Asks JH for his impressions of the Aberdeen B.A.A.S. meeting and of U. J. J. Leverrier's claim that there may be an intermercurial planet.

Contributor:
John Herschel Project
From:
William Whewell
To:
Sir John Herschel
Date:
[27 November 1859]
Source of text:
inc RS:HS 18.215
Summary:

Asks JH about two publications: [Felix Eberty's anonymous] The Stars and the Earth and J. C. Maxwell's theory of compound colors, WW recommending the latter.

Contributor:
John Herschel Project
From:
William Whewell
To:
Sir John Herschel
Date:
[27 January 1861]
Source of text:
RS:HS 18.216
Summary:

Offers consolation to JH on the death of his daughter Margaret Louisa.

Contributor:
John Herschel Project
From:
William Whewell
To:
Sir John Herschel
Date:
[3 November 1865]
Source of text:
RS:HS 18.219
Summary:

Delighted by visit from JH's daughter Maria and her new husband. Looks forward to meeting Mr. Prescott [see JH's 1865-10-22].

Contributor:
John Herschel Project
From:
William Whewell
To:
Sir John Herschel
Date:
[14 November 1865]
Source of text:
RS:HS 18.220
Summary:

Is returning Book XXIV of JH's Iliad translation. Asks him about his plans for publication. Has written letter of introduction for JH's daughter Maria.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[1846 to 1847]
Source of text:
RS:HS 25.14.35
Summary:

Comments on proofs of WW's German translations. JH recommends that the magnetic observations already made should be reduced to show some results, rather than adding more observations.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[1845 to 1850?]
Source of text:
RS:HS 25.14.33
Summary:

Comments on WW's publication on education [Liberal Education, 1845 ?], especially as it applies to the teaching of mathematics. JH has been teaching JH's son William mechanics by WW's book on the subject.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[12 August 1818]
Source of text:
TxU:H/L-0496; Reel 1055
Summary:

Grateful for WW's comments on investigations of [Simon] Stevin. JH's work on polarization of light. Discovery of multiple axes of polarization was preempted by David Brewster. Diagrams polarization of niter crystals and Iceland spar.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[1845-5 or later]
Source of text:
TC, Camb. Add. Ms.a.20760
Summary:

Alerts WW, who was coming to visit the Herschels, that scarlet fever has arrived at JH's household. Comments onWW's writings about glacial theory.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[15 September 1858]
Source of text:
WT 66602
Summary:

Is trying to arrange a magnetic conference during the first few days of other meetings.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[28 January 1839]
Source of text:
Harvard: Houghton fMS Am 1301.1 (18)
Summary:

Invites WW to Slough before JH travels to Midhurst [to consider property for sale].

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[5 December 1838]
Source of text:
Harvard: Houghton fMS Am 1301.1 (17)
Summary:

Despite respecting the distinguished company in the Geological Society, JH must refuse its presidency.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[28 August 1839]
Source of text:
B.A.A.S. Report for 1839 (1840), pt. 2, 9-11 & Athenaeum, #621 (Sept. 21, 1839)
Summary:

Reports to the B.A.A.S. [through WW as section president] on experiments JH has conducted concerning the photochemical effects of the rays at the far red end of the spectrum.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[4 February 1817]
Source of text:
TC, Camb. Add. Ms.a.2071 (draft: RS:HS 18.157 & C: RS:HS 20.39 & TC, Camb. 0.1
Summary:

Is actively pursuing mathematical investigations. Plans to come to Cambridge soon for a short visit. Will follow this first letter by many more. Excavations by the Geological Society going on in JH's area.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[18 June 1817]
Source of text:
TC, Camb. Add. Ms.a.2072 (C: RS:HS 20.44)
Summary:

Asks about WW's mathematical investigations. JH's book on algebra is progressing. Describes mathematical investigations by [Edward] Bromhead in calculus of factors. Misses Cambridge.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[26 July 1817]
Source of text:
TC, Camb. Add. Ms.a.2073 (C: RS:HS 20.46)
Summary:

Is pursuing mathematical investigations with Charles Babbage. Asks WW to check whether George Peacock is progressing in printing the Supplement to Lacroix's volume.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[19 August 1818]
Source of text:
TC, Camb. Add. Ms.a.2074 (C: RS:HS 20.56)
Summary:

Thanks WW for and expresses agreement with WW's analysis of Simon Stevin. Describes experiments JH is conducting on the polarization of light.

Contributor:
John Herschel Project
From:
Sir John Herschel
To:
William Whewell
Date:
[1 December 1819]
Source of text:
TC, Camb. Add. Ms.a.2075 (C: RS:HS 20.77)
Summary:

Praises WW's new book [Elementary Treatise on Mechanics]; is working to get WW elected to the R.S.L. Criticizes a pamphlet by George Peacock. Comments on rules proposed for the new Cambridge Philosophical Society.

Contributor:
John Herschel Project