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
Moholmen Lighthouse every 8 seconds. The 54,900-candela light can be seen for up to . The white tower is cast iron and built in a square pyramidal shape. Moholmen Lighthouse Moholmen Lighthouse () is a coastal lighthouse in Vågan Municipality in Nordland county, Norway. The lighthouse is located on a small island in the Vestfjorden about southwest of the village of Kabelvåg and about straight west of the Skrova Lighthouse. Moholmen Lighthouse was originally built in 1914. The original tower was moved to the island of Tranøy in Hamarøy Municipality in 1936. A new tower was built at Moholmen, and that tower