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 Norway been operated along the Norwegian coast. "Enigheden" off Ålesund from 1856 vas replaced with Lepsøyrev lighthouse in 1879, and "Ildjernsflu" moored off Nesodden from 1914 until it was scrapped in 1968. This list, not complete, is sorted by location along the shipping lane, from the border with Sweden in south, to Russia in northeast. The Norwegian Coastal Administration run a total of 5000 different navigational lights along the coast. This list only cover the lighthouse stations. Lighthouses in Norway The coast of Norway is 100,915 km long and there have been a total of 212 lighthouses along it, but no