Casquets lighthouses per ton of ship when vessels passed the rocks and in turn he paid Trinity House 50 pounds per year for the right to run the lighthouses. The lighthouses reverted to Trinity House in 1785. They were converted to oil lamps with metal reflectors which were first used on 25 November 1790; and upgraded again with apparatus to rotate a beam of light in 1818. This had a clockwork mechanism which was wound up every hour and a half and gave one flash every 15 seconds. The lighthouses were badly damaged and the lanterns smashed in a severe storm on
Lighthouses in Chile Chile are provided by the "Servicio de Señalización Marítima" [Maritime Signalling Service], a department of the "Dirección de Seguridad y Operaciones Marítimas" (Dirsomar) [Directorate of Maritime Security and Operations], of the "Dirección General del Territorio Marítimo y de Marina Mercante" (Directemar) [Directorate General of the Maritime Territory and the Merchant Marine] of the Chilean Navy. In 1900, the ship "Meteoro" was built in Chile for the maintenance of lighthouses. Today, the Chilean Navy ship "George Slight" (BRS-63) is in service to serve the lighthouses. The United States' National Geospatial-Intelligence Agency (NGA) lists 650 lighthouses (and 26 Argentine lighthouses in the