Pontecoulant sentence example
- Laplace's immediate successors, among whom were Hansen, Plana and Pontecoulant, found a larger value, Hansen increasing it to 12.5", which he introduced into his tables.
- This diminution was soon fully confirmed by others, especially Delaunay, although for some time Pontecoulant stoutly maintained the correctness of the older result.
- The only attempt since the publication of this great work to develop the various theories involved on a uniform plan and mould them into a consistent whole is that of de Pontecoulant in Theorie analytique du systeme du monde (1829-46, Paris).
- Poisson's application to them in 1809 of Lagrange's theory of the variation of constants; Philippe de Pontecoulant successfully used in 1829, for the prediction of the impending return of Halley's comet, a system of " mechanical quadratures " published by Lagrange in the Berlin Memoirs for 1778; and in his Theorie analytique du systeme du monde (1846) he modified and refined general theories of the lunar and planetary revolutions.