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James David Forbes to William Whewell
Add. MS a/204/121 · Item · 9 Sept. 1857
Parte de Additional Manuscripts a

Pitlochry, N.B. - JDF saw WW's name on the lists at the BAAS meeting at Dublin: 'I am pleased to find that you still attend occasionally'. JDF's health is not up to the 'hurry, heat, and bustle' of such meetings. He notes from Dr. Lloyd's [Humphrey Lloyd] 'most excellent address', that 'it would appear that the 'Dynamical Theory of Heat' finds much favour at Dublin. Indeed I was surprised at the approbation with which Rankine's theory of 'Molecular Vortices' [W.J.M. Rankine, 'On the Mechanical action of Heat, especially in Gases and Vapours', Transactions of the Royal Society of Edinburgh, 20, 1852] was mentioned by Dr Lloyd: 'I cannot say that I ever understood it. But it appeared to me repulsive from its gratuitous assumption and interminable mathematics. I observed also that it was spoken of as an established discovery in the article on De la Rue in the Edinburgh Review'. Is JDF right that WW has unpublished 'schedules of the process of induction for other sciences than astronomy and optics which are published in your philosophy', if so can he at some stage see them.

Letter from William Brownlow
Add. MS a/201/121 · Item · [6 Sept. 1836]
Parte de Additional Manuscripts a

Wilmslow Rectory, nr. Manchester - In ascertaining the longitude of a ship at sea WB questions the accuracy of chronometers and the lunar method: The moon should not be used as 'the clock' in the solution to finding longitude. The movements of the moon are so irregular and complicated to be useful. The motions of the sun in respect to the earth would be far superior. If this view is at all new or worth considering, WB will send WW details of his theory.

Letter from James Martineau to Henry Sidgwick
Add. MS c/94/121 · Item · 3 Oct 1874
Parte de Additional Manuscripts c

Admits to 'a certain dread of M.S.S.' Thanks Sidgwick 'for the opportunity of early reflection' on his strictures. Places great hope in Sidgwick's volume [The Methods of Ethics?], and confesses to be glad not to have published his own lectures, before the latter gives him 'the chance of repentance and silence.' Hopes that he will not be inconvenienced by his keeping the M.S. a few days. Reports that he has to open their small college on Tuesday, and that he is expected to give the address. Expects not to be able to read anything until after Wednesday.

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