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
Lighthouse, Chennai The new lighthouse was unveiled on 10 January 1977. An electrical lighthouse equipment manufactured by BBT, Paris was installed on the new tower, which maintains a range of 28 nautical miles for vessels and is one of the tallest lighthouses in the country. Coconut oil was considered the best fuel for a lighthouse lamp because it made the light burn bright in the lighthouse. Gas lights were used later followed by dischargeable lamps. In the beginning, lighthouse lamp had a steady flame. When ships began to confuse this with city lights, it was decided to use a flickering light in