St John‘s College Personal Collections

Copy of autograph letter signed to Charles Delaunay

Adams/Box 16/20/2
Item
20 Dec. 1865

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

Draft? autograph letter signed to Charles Delaunay

Adams/Box 16/20/3
Item
20 Dec. 1865

Part of Papers of John Couch Adams

Another copy of 16/20/2. 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

Draft? autograph letter signed to Charles Delaunay

Adams/Box 16/21/1
Item
23 Mar. 1867

Part of Papers of John Couch Adams

Sends elements of November Meteors from Observation, for communication to French Academy of Sciences. Comparison with other observations.

Adams, John Couch (1819-1892) astronomer

Draft? autograph letter signed to Charles Delaunay

Adams/Box 16/21/2
Item
11 July 1867

Part of Papers of John Couch Adams

Congratulations on CD's son's marriage. Acknowledgement of gift for CO of copy of 2nd vol. of CD's Lunar theory, for CD's communicating JCA's paper on November meteors, and sends more detailed account communicated to RAS.

Adams, John Couch (1819-1892) astronomer

Draft? autograph letter signed to Charles Delaunay

Adams/Box 16/22/1
Item
5 Mar. 1870

Part of Papers of John Couch Adams

Congratulations on CD's appointment as Director of the Imperial Observatory. JCA's gratification at awarding medal of RAS to CD.

Adams, John Couch (1819-1892) astronomer

Draft? autograph letter signed to G. Delaunay

Adams/Box 16/22/2
Item
12 Aug. 1872

Part of Papers of John Couch Adams

See16/22/3 for another copy. Sympathy at death of Charles Delaunay.

Adams, John Couch (1819-1892) astronomer

Copy of autograph letter signed to G. Delaunay

Adams/Box 16/22/3
Item
12 Aug. 1872

Part of Papers of John Couch Adams

See16/22/2 for another copy. Sympathy at death of Charles Delaunay.

Adams, John Couch (1819-1892) astronomer

Draft autograph letter signed to Simon Newcomb

Adams/Box 16/49/1
Item
10 Feb. 1880

Part of Papers of John Couch Adams

Proper comparison of Hansen's and Delaunay's equations of Longitude, Latitude and Parallax [of the moon] much needed. Description of such comparisons as already exist. JCA's own parallax tables. Tables of Moon's Ephemeris might be obtained from Hind: JCA will enquire. Hill's computation of the perturbations of Jupiter and Saturn very worthy.

Adams, John Couch (1819-1892) astronomer

Draft speech to Royal Society

Adams/Box 16/54/1
Item
17 Mar. 1869

Part of Papers of John Couch Adams

Speech proposing that Delaunay be made a foreign member of the RS.

Adams, John Couch (1819-1892) astronomer

Copy of letter to G.B. Airy

Adams/Box 2/33/1
Item
15 Oct. 1873

Part of Papers of John Couch Adams

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

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