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Has returned papers corrected: useless to the CO with so many errors. Outline of sources of errors. Requests receipt for payment sent.

Incomplete. [JCA's comments on De La Rue's speech on awarding Gold Medal of RAS] Theory of moon: where work of Plana and Damoiseau is incorrect and how it might be improved. Errors of Hansen's ditto. Plana's original reception of JCA's theory of the moon.

[JCA's comments on De La Rue's speech on awarding Gold Medal of RAS] Acknowledges copy of Hansen's letter sent. Disagrees with H's assertion that he never contested JCA's theory of the secular acceleration of the moon: H caused LeVerrier to attack JCA and Delaunay, and is now adapting his own theory without admitting it might be wrong.

Comments on De La Rue's speech on awarding Gold Medal of RAS to JCA. Whether a quotation from Herschel should be included. Whether LeVerrier should be mentioned in light of his and Delaunay's part in the controversy over the secular variation of the moon's mean motion. Accuracy of Hansen's and Plana's theories. Encloses copy of Delaunay's letter.

Another draft for same letter at 16/14/2. See 36/16/1 for French translation, of same letter. Acknowledgement of offer of corresponding membership of [French] Academy of Sciences. Sends offprints of published papers. Description of work forthcoming. Defence of work on lunar theory against Plana.

[second draft of 16/14/1] Acknowledgement of offer of corresponding membership of [French] Academy of Sciences. Sends offprints of published papers. Description of work forthcoming. Defence of work on lunar theory against Plana.

See 36/16/2 for French translation. Acknowledgement of offer of corresponding membership of [French] Academy of Sciences. Personal thanks to CD for his influence.

See 36/16/3 for French translation. Pleased that CD's value of Secular acceleration of Moon's mean motion agrees with JCA's. Has carried the work further since publication and has a better method: sets out some more results for CD's use and for him to communicate to the [French] Academy of Sciences on JCA's behalf. Acknowledges copies of papers received from CD.

See 36/17/1 for French translation. Acknowledgement of copy of paper on acceleration of the moon sent by CD. JCA's latest equation. Death of JCA's father.

See 36/17/2 for French translation. JCA's latest equation for secular acceleration of moon's mean motion.