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 level was rebuilt between 1780 and 1790 increasing the height from 49m to 60m and incorporating an Argand lamp and one of the first parabolic mirrors which was turned by clockwork developed by a clockmaker of Dieppe. The tower later became the first to use the revolutionary Fresnel lens, in the early 1820s.) In Britain, lighthouses were privately owned and the right to collect dues was by warrant either from a local authority or the crown. The abuse of these licenses led to foreign ships fearing to seek refuge on the south coast of England for fear of being boarded