Copy of autograph letter signed to Charles Delaunay
- Adams/Box 16/20/2
- Item
- 20 Dec. 1865
Part of Papers of John Couch Adams
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