The Cassini Map of France

The Carte de France or the Cassini Maps were created by four generations of the Cassini family in the 18th and 19th centuries. The Cassini Maps were the first truly accurate national survey based on geodetic triangulation. Remonter le Temps (go back in time) allows you to view the Carte de Cassini overlain on top of a modern interactive map of France. This historical maps interface presents a