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Delaunay, Charles-Eugène (1816-1872) astronomer and mathematician
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Autograph letter signed to J.C. Adams

Requests J.C.A. or someone appointed by him studies '8 Venus mean longitude - 13 Earth's mean longitude' in the Moon's motion, to settle who is right between Hansen and Delaunay. Will send cheque for Horrocks Memorial later. (See G.B.A. to J.C.A. 28th Oct. 1874).

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

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