Casquets lighthouses Casquets lighthouses Casquets Lighthouse is an active lighthouse located on the rocky Les Casquets, Alderney, Channel Islands. Casquets Lighthouse is the latest in a series of three lights on Les Casquets. The first lighthouses started operation on 30 October 1724, and were three towers lit by coal fires called St Peter, St Thomas and the Dungeon. Three stone towers were built to give the lights a distinctive appearance which would not be confused with lighthouses in nearby France. They were built by Thomas Le Cocq, owner of the rocks, under license from Trinity House and who was paid a halfpenny
History of lighthouses Tower of Hercules at A Coruña and the ruins of the Dover lighthouse in England give insight into construction; other evidence about lighthouses exists in depictions on coins and mosaics, of which many represent the lighthouse at Ostia. Coins from Alexandria, Ostia, and Laodicea in Syria also exist. While the evidence provides insight into the exterior structure of these structures, there are many gaps in evidence concerning less visible aspects of the structures. The remains at A Coruña and Dover help determine how each lighthouse structure functioned, though one must make some assumptions to determine how the structures beacons were