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
Caloundra Lighthouses on Lady Elliott's Island in 1872/73), Colonial Architect FDG Stanley designed a structure which utilised readily available local timber, specifying a hardwood frame clad with plated iron sheeting. This reduced the cost of construction, and despite problems of termite infestation and rusting, this type of construction, or its derivative, a wooden frame with corrugated galvanised iron sheeting, became the standard for subsequent nineteenth century Queensland lighthouses. Between 1873 and 1901, 14 lighthouses were constructed in Queensland using hardwood framing and plated iron sheeting, and another 7 were constructed with hardwood frames and corrugated iron cladding. The latter were associated mostly