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Papers of John Couch Adams
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Autograph copy of letter signed to J. Challis

Acknowledges copy of paper from Philosophical Magazine. Apologises for not making his criticisms clearer before. Sets them out. Regrets any offence caused; will put criticisms into writing for the Phil. Mag., as requested.

Adams, John Couch (1819-1892) astronomer

Autograph copy of letter to Edward Ball Knobel

Enclosure with D.Gill to J.C.A. 27th Aug.1888. Photographic star catalogues: Photographic Committee of R.A.S. disapproves scheme for International Bureau for measuring stellar photographs as proposed in the Bulletin du Comite International. Wishes Knobel to encourage the R.A.S. Committe not to take the same line.

Gill, Sir David (1843-1914) Knight, astronomer

Autograph copy of letter to G.B. Airy

Ways of spending £2000 of Sheepshanks grant: Transit Circle, Chronographic apparatus, central clock, telegraph wires. See G.B.A. to J.C.A. 16 Jan.1862.

Adams, John Couch (1819-1892) astronomer

Autograph copy of letter to G.B. Airy

Letter from Hansen to G.B.A. in Monthly Notices R.A.S. Nov. 8 1861. Hansen's memoir on the perturbations of the small planets: where he is wrong; where the translation is at fault.

Adams, John Couch (1819-1892) astronomer

Autograph letter signed to

Description of visit to America, to scientific meetings (gave paper on Newton Mss. with photographs), and is travelling on to Prime Meridian Conference.

Adams, John Couch (1819-1892) astronomer

Autograph letter signed to A. Cayley

Acknowledgement of paper on Hansen's theory. AC's treatment of Lunar theory by method of variation of elements is new; outlines the possible difficulties. JCA is applying this method to the secular inequalities of the moon's mean motion, further to paper in PTRS, 1853.

Adams, John Couch (1819-1892) astronomer

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