|Description||Extracts from several letters regarding the Cartesian model of tides:|
- A letter from F Capelet to L'Abbe [Pierre?] Bourdelot, arguing that Rene Descartes' theory regarding the ebb and flow of tides is false
- A letter from [Claude?] Gadrois to de la Grange regarding Capelet's theory
- A letter from Gadrois to de la Grange dated 1677 regarding Descartes' theory
- A letter from Hebert to de Bisseul regarding the theories of Gadrois, Capelet, and Descartes concerning tides.
Subject: Oceanography / Mathematics