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Adams, John Couch (1819-1892) astronomer Delaunay, Charles-Eugène (1816-1872) astronomer and mathematician
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Copy of letter to C. Delaunay

Translation into French of JCA's original. Probably done by or for Delaunay. See JCA's English draft at 16/17/1-2; transcript of same at 36/21/2. Letter or extract of letter collected for MacAlister's biography.

Adams, John Couch (1819-1892) astronomer

Copy of letter to C. Delaunay

See JCA's draft at 16/17/1-2; Delaunay's French translation at 36/18/1. Letter or extract of letter transcribed for MacAlister's biography.

Adams, John Couch (1819-1892) astronomer

Draft? autograph letter signed to Charles Delaunay

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 to Charles Delaunay

Incomplete. See 16/17/1 for another draft of same letter. 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.

Adams, John Couch (1819-1892) astronomer

Copy of letter to C. Delaunay

Translation into French of JCA's original. Probably done by or for Delaunay. See JCA's English draft at 16/17/3; transcript of same at 36/21/3. Letter or extract of letter collected for MacAlister's biography.

Adams, John Couch (1819-1892) astronomer

Copy of letter to C. Delaunay

See JCA's draft at 16/17/3; Delaunay's French translation at 36/18/2. Letter or extract of letter transcribed for MacAlister's biography.

Adams, John Couch (1819-1892) astronomer

Copy of letter to C. Delaunay

See JCA's draft at 16/18/1; Delaunay's French translation at 36/18/3. Letter or extract of letter transcribed for MacAlister's biography.

Adams, John Couch (1819-1892) astronomer

Draft? autograph letter signed to Charles Delaunay

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

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