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Airy, Sir George Biddell (1801-1892) Knight, astronomer
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Copy of letter to G.B. Airy

Explanation of how G.B.A. has misunderstood Delaunay's lunar formula. Agrees about stability of solar system. Would like to see model of transit of Venus.

Adams, John Couch (1819-1892) astronomer

Copy of letter to G.B. Airy

Can think of no sensible way of reducing the length of the Greenwich Observations. Suggests modifications for G.B.A's Numerical Lunar Theory.

Adams, John Couch (1819-1892) astronomer

Copy of letter to G.B. Airy

Further to previous explanation, which was evidently too brief. Detailed explanation of mathematics for G.B.A's Numerical Lunar Theory?

Adams, John Couch (1819-1892) astronomer

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

Copy of letter to G.B. Airy

Agrees to take on G.B.A's Numerical Lunar Theory if G.B.A. unable to bring it to press himself. Refers to J.C.A. to G.B.A. of 7 Jun.1883, and has further information to add on the causes of inaccuracy in the numerical coefficients.

Adams, John Couch (1819-1892) astronomer

Copy of letter to G.B. Airy

Reply to G.B.A. 29 Mar. 1886. Confirms he will be happy to take on publication of Lunar Theory if necessary. Suggests more decimal places and more equations needed to eliminate inequalities of long period in the theory.

Adams, John Couch (1819-1892) astronomer

Copy of letter to G.B. Airy

Further to letter of Mar. 13th. Suggests sources for more accurate values than those employed by G.B.A. in his Numerical Lunar Theory, and points out one mistake.

Adams, John Couch (1819-1892) astronomer

Printed poem

Poem "To a friend." "Apt not to test, but to pooh - pooh..." Refers to Adams, Airy and Neptune.

Cassandra (fl 1875)

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