Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
See 36/18/2 for French translation. Sends copies of reply to Pontecoulant, Plana etc: one for CD personally, one for the French Academy of Sciences.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
Acknowledgement of copies sent by CD of investigation into Hansen's long inequalities and corrections of LeVerrier's Annales, and CD's volume on the Theory of the Moon. Praise of CD's method.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
See 16/19/3 for another copy. Authorisation for CD to publish JCA's expression of coefficient of principal term of the latitude [of the moon?]. Adds equation for principal inequality of the true latitude, and comparisons with Plana and Pontecoulant's results.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
Invitation for CD to come to meeting of British Association in Cambridge, Oct 1862, and to stay at the Observatory. Hopes also to be entertaining Airy.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
Sends elements of November Meteors from Observation, for communication to French Academy of Sciences. Comparison with other observations.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
See 36/17/2 for French translation. JCA's latest equation for secular acceleration of moon's mean motion.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
Acknowledgement of CD's complete formula for the secular acceleration of the moon. Comparison of formula with Plana's mistakes.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
See 36/18/1 for French translation. Acknowledgement of copies of CD's replies to LeVerrier's attacks on his theory of the moon. Nature of LeVerrier, Hansen's and Plana's errors. M. de Pontecoulant's letter in Monthly Notices of RAS. See 16/17/2 for another version of this letter.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
See 36/18/3 for French translation. Acknowledgement of CD's calculation of secular acceleration of moon's mean motion by Poisson's method. Thinking of sending four different methods of calculation of same for inclusion in Nautical Almanac. Pontecoulant unlikely to be persuaded of JCA's and CD's method. LeVerrier likely to come to unpleasant discovery of the truth.
Adams, John Couch (1819-1892) astronomer
Draft? autograph letter signed to Charles Delaunay
Part of Papers of John Couch Adams
Details of Cayley's papers in the Monthly Notices and Memoirs of the RAS. Details of papers in other journals to follow. Description of Cayley's profession. CD's recent visit to the CO. JCA expects "very shortly to introduce a lady assistant".
Adams, John Couch (1819-1892) astronomer