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
Eagle Island lighthouses Eagle Island lighthouses The Eagle Island lighthouses were a pair of lighthouses on Eagle Island, County Mayo, Ireland. of which only one remains. Two lighthouses were commissioned in 1830 in response to requests from the Coastguards who were concerned at the sea conditions at Blackrock, further south. The Board inspector however, ruled in favour of locating the new lighthouses on Eagle Island, one in the east and the other in the west with between them at a cost of almost £40,000 (roughly £ or € in ). Their lights were aligned at a height of above sea level and could