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

Lunar acceleration. Transcript from Airy's correspondence files in RGO Archives, copied for D.MacAlister 1893-1894.

Adams, John Couch (1819-1892) astronomer

Copy of letter to G.B. Airy

Lunar acceleration. Transcript from Airy's correspondence files in RGO Archives, copied for D.MacAlister 1893-1894.

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

Transit of Venus. Willing to use C.O. telescope to make observations. Has another which might be of use. Suggests techniques for getting most out of the event. Suggests that S.J.C. Dolland telescope might also be used.

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

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

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

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