Smeaton's Tower stood were becoming eroded. Each time a large wave hit, the lighthouse shook from side to side. Smeaton's Tower ceased operation in 1879 with the illumination of Douglass's Tower on an adjacent rock. In 1882 the upper part of Smeaton's Tower was dismantled and rebuilt as a memorial to Smeaton on a new base on Plymouth Hoe, replacing the triangular obelisk that had been built there by Trinity House as a navigation aid in the early 19th century. It was opened to the public by the Mayor of Plymouth on 24 September 1884. The foundation and stub of the old
Amlwch Lighthouse B., "Lighthouses of Wales: Their Architecture and Archaeology" (Royal Commission on the Ancient and Historical Monuments of Wales, edited by Hughes, S., 1994) <br> Amlwch Lighthouse The Amlwch Lighthouse (Grid reference: SH 452937) is a lighthouse tower situated on the outer pier of Amlwch, at the northeast tip of Anglesey, Wales. The existing lighthouse, a square tower erected in 1853, is the fourth on this site. It has original fine, but battered, ashlar masonry to a height of ; the present lantern was added on top at a later date. Two short piers at Amlwch were built following a private