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
Grytøy Lighthouse keeper's house. It was located near the current lighthouse. That lighthouse was closed and demolished in 1959 and replaced with an automated light tower nearby. Grytøy Lighthouse Grytøy Lighthouse () is a coastal lighthouse in Bodø Municipality in Nordland county, Norway. It is located in the Vestfjorden in the Helligvær islands, about northwest of the town of Bodø. The current light sits atop a tall concrete tower. The light sits above sea level. It has two flashes every 10 seconds, the color that flashes is white or red depending on direction from which it is seen. The light can be