John Smeaton He pioneered the use of 'hydraulic lime' (a form of mortar that will set under water) and developed a technique involving dovetailed blocks of granite in the building of the lighthouse. His lighthouse remained in use until 1877 when the rock underlying the structure's foundations had begun to erode; it was dismantled and partially rebuilt at Plymouth Hoe where it is known as Smeaton's Tower. Deciding that he wanted to focus on the lucrative field of civil engineering, he commenced an extensive series of commissions, including: Smeaton is considered to be the first expert witness to appear in an English
Cape Jaffa Lighthouse tower originally stood still stands as of 2014. It currently hosts a breeding colony of Australasian gannets. Cape Jaffa Lighthouse Cape Jaffa Lighthouse is a decommissioned lighthouse formerly located on Margaret Brock Reef near Cape Jaffa on the south east coast of South Australia and whose tower has been located in the town of Kingston SE since 1976. The former lighthouse tower is owned by the National Trust of South Australia who operates it as a museum. The platform which supported the tower is still in place at Margaret Brock Reef as of 2014. The lighthouse, which took three years