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
Odderøya Lighthouse The historic one was built in 1874, replacing the 1832 lighthouse. This historic lighthouse has been inactive since 1984. The tall concrete, cylindrical tower is white with a red roof and it is attached to a 1-1/2 story lighthouse keeper's house. A fog bell is attached to the front of the tower. The building is now owned by the city of Kristiansand. Odderøya Lighthouse Odderøya Lighthouse () is a coastal lighthouse located on the southwestern coast of the island of Odderøya in Kristiansand municipality in Vest-Agder county, Norway. The lighthouse was first built in 1832. The lighouse was replaced in