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 the Philippines the future and progress of the islands has and will always depend on maritime travel. Even with the advent of aviation, the water routes continue to be the main highways for travel and commerce, with the lighthouses of the Philippines safely guiding the vessels that ply its routes. The following is a list of historical and notable lighthouses constructed in the Philippines. Lighthouses in the Philippines With the Philippine Archipelago comprising over 7,100 islands packed in an area of , the country has the fifth-longest coastline in the world. The Philippine coast has a total length of and is very