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Delaunay, Charles-Eugène (1816-1872) astronomer and mathematician
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Copy of letter to G.B. Airy

Has been checking errors in G.B.A's Numerical Lunar Theory: cause is Delaunay's coefficients of parallax. Explains why.

Adams, John Couch (1819-1892) astronomer

Autograph letter signed to J.C. Adams

The moon. Work completed by Delaunay. Seeks papers by JWL. JWL seeks corrections by JCA to paper of Plana to send.

Lubbock, Sir John William (1803-1865) 3rd Baronet, astronomer and banker

Autograph letter signed to J.C. Adams

Tables of moon. Delaunay. Secular acceleration of the moon's mean motion: letters of Plana. Letters of Airy and Whewell to return to JWL.

Lubbock, Sir John William (1803-1865) 3rd Baronet, astronomer and banker

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