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
Dassen Island Lighthouse two white flashes, separated by 10 s, every 30 s. The fog horn blasts for five seconds every fifteen seconds. The lighthouse is manned at all times. The island is closed to the general public, but can be visited by special permit. Dassen Island Lighthouse Dassen Island Lighthouse is a lighthouse on the southern point of Dassen Island, west of Yzerfontein. It is a white circular cast-iron tower that has been in use since 1893. The lighthouse is found on southern point of Dassen Island, off the western coast of South Africa, 55 km north-west of Cape Town and 11