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
Knott family and some reflectors were in rather a dirty state. The lightkeepers are comfortably lodged and seem to be well pleased with their situations. The dwelling houses partake of that cleanliness which is general in the cottages of the English." George Knott was the fourth in the succession. After serving under his father at the South Foreland low lighthouse, he was transferred in 1861 to the Smeaton tower on the Eddystone where he remained for five years as Principal Keeper. From there he moved to the little-known Bideford lighthouse where he remained until 1879 when he became Principal keeper of the