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 in structural engineering and new and efficient lighting equipment allowed for the creation of larger and more powerful lighthouses, including ones exposed to the sea. The function of lighthouses shifted toward the provision of a visible warning against shipping hazards, such as rocks or reefs. The Eddystone Rocks, an extensive reef near Plymouth Sound, England and one of the major shipwreck hazards for mariners sailing through the English Channel, was the site of many technical and conceptual advances in lighthouse construction. The difficulty of gaining a foothold on the dangerous rocks, particularly in the predominant swell, meant that it was