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
History of lighthouses in Canada prefabricated cast-iron approach as Gibbs Hill Lighthouse and other outposts of the British Empire. Subsequently, despite being unsuitable for the damp and cold winters, many cast-iron lighthouses were built in Newfoundland, including Channel-Port aux Basques in 1875, Lobster Cove Head in 1892, and the lighthouse which now guards the National Museum of Science & Technology which, after 50 years of service at Cape Race, was dismantled and re-erected with a new lantern at Cape North (NS) in 1906. Then in 1980, after a local outcry had kept the Seal Island lantern from being taken away, the historic lighthouse at the