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Papers of John Couch Adams
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Autograph letter to J.C. Adams

Will be difficult to get authorities to carry on experiments with low velocities; mentions Mr Bashforth; would be glad to get copy of Adams's pamphlet.

Sladen, Joseph [?] (fl 1856)

Manuscript copies of two propositions regarding Neptune

'Proposition I. The planet Neptune accounts for the previously unexplained irregularities in the motions of Uranus so perfectly that Uranus no longer indicates the probable existence of an unknown external planet or of any error in the mass of Saturn. Proposition II. Neptune is not the planet which was predicted by geometry.'

Possibly connected with the attacks by Peirce, Babinet and others on the veracity of Adams's and LeVerrier's results. Probably originally sent to Adams enclosed with a letter.

Unknown (000130)

Autograph letter signed to J.C. Adams

Thanks for paper on perturbations of Uranus, left some days since. Query: do assumed perturbations explain error of radius vector of Uranus.

Airy, Sir George Biddell (1801-1892) Knight, astronomer

Autograph letter signed to J.C. Adams

Thanks for note of 18th. Mentioned J.C.A.'s lack of response to query in the published correspondence only because it was already public and seemed necessary to the full account. Makes suggestion for further table to accompany memoir of perturbations of Uranus.

Airy, Sir George Biddell (1801-1892) Knight, astronomer

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