Smeaton's Tower Smeaton's Tower Smeaton's Tower is a memorial to celebrated civil engineer John Smeaton, designer of the third and most notable Eddystone Lighthouse. A major step forward in lighthouse design, Smeaton's structure was in use from 1759 to 1877, until erosion of the ledge it was built upon forced new construction. The tower was largely dismantled and rebuilt on Plymouth Hoe in Plymouth, Devon, where it stands today. The Royal Society recommended Smeaton for the task, and he modelled the lighthouse on an oak tree. He rediscovered the use of hydraulic lime, a form of concrete used in Roman times. The
Cape Jaffa Lighthouse 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 to build and was opened on 6 January 1872, was originally built approximately 8 km out to