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Adams, John Couch (1819-1892) astronomer Pontécoulant, Philippe Gustave Le Doulcet (1795-1874) Comte de
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Autograph letter signed to A. Cayley

Acknowledgement of AC's papers on Disturbed Elliptic Motion etc. Request to have separate copies privately printed of paper on Secular acceleration [of moon's mean motion]. Corrections and additions to be made. [See "Reply to various objections against the theory... [M de Pontecoulant]" Monthly Notices RAS. Vol.20 (1860) Collected papers Vol.1 p160]

Adams, John Couch (1819-1892) astronomer

Autograph letter signed to A. Cayley

Sends a postscript to be added to paper on Secular equation [acceleration of moon's mean motion]. Corrections to be made to original paper. [See "Reply to various objections against the theory... [M de Pontecoulant]" Monthly Notices RAS. Vol.20 (1860) Collected papers Vol.1 p160]

Adams, John Couch (1819-1892) astronomer

Autograph letter signed to A. Cayley

Acknowledgement of proof of paper corrections now final. [See "Reply to various objections against the theory... [M de Pontecoulant]" Monthly Notices RAS. Vol.20 (1860) Collected papers Vol.1 p160]

Adams, John Couch (1819-1892) astronomer

Autograph letter signed to A. Cayley

Encloses letters from Lubbock and Mme de Pontecoulant re: publication of Pontecoulant's unfinished work on Theory of tides, for AC's suggestions as to what might best be done.

Adams, John Couch (1819-1892) astronomer

Autograph letter signed to A. Cayley

Sent with 16/7/1. Asks AC to look at MS and form his own opinion. Encloses Mlle de Pontecoulant's letter to JCA, and note to her, possibly from Puiseaux [both missing].

Adams, John Couch (1819-1892) astronomer

Copy of autograph letter signed to Charles Delaunay

Another copy of 16/19/2. Authorisation for CD to publish JCA's expression of coefficient of principal term of the latitude [of the moon?]. Adds equation for principal inequality of the true latitude, and comparisons with Plana and Pontecoulant's results.

Adams, John Couch (1819-1892) astronomer

Copy of autograph letter signed to Charles Delaunay

See 16/20/3 for another copy. Appreciation of CD's explanation of discrepancy between value of secular acceleration of moon's mean motion, and that derived from ancient eclipses. Likely to be attacked by Pontecoulant.

Adams, John Couch (1819-1892) astronomer

Copy of letter to J.W. Lubbock

Comments on Pontecoulant's comments on JCA's work on the secular acceleration of the moon's mean motion. To be transmitted to Pontecoulant if JWL thinks proper.

Adams, John Couch (1819-1892) astronomer

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