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
Sandvigodden Lighthouse were sold and are now a private residence. Sandvigodden Lighthouse Sandvigodden Lighthouse () is a coastal lighthouse in the municipality of Arendal in Aust-Agder county, Norway. The light is located on the southeast shore of the island of Hisøya on the edge of the village of Sandviga. The light marks the west side of the entrance to the Galtesundet strait, which leads north to the town of Arendal. The lighthouse was originally built in 1844. In 1934, a new lighthouse was constructed right in front of the older tower. The new tower is tall and is painted white with a