John Smeaton He pioneered the use of 'hydraulic lime' (a form of mortar that will set under water) and developed a technique involving dovetailed blocks of granite in the building of the lighthouse. His lighthouse remained in use until 1877 when the rock underlying the structure's foundations had begun to erode; it was dismantled and partially rebuilt at Plymouth Hoe where it is known as Smeaton's Tower. Deciding that he wanted to focus on the lucrative field of civil engineering, he commenced an extensive series of commissions, including: Smeaton is considered to be the first expert witness to appear in an English
Torre Grande Lighthouse a keeper's house. The tower is unpainted stone and the lantern is placed inside a room and shown thorough a bay window. The light is positioned at above sea level and emits one red flash in a 5 seconds period visible up to a distance of . The light is completely automated and managed by the Marina Militare with the identification code number 1394 E.F.; the building is managed by the City of Oristano which transformed it into the Museum of Coastal Towers. Torre Grande Lighthouse Torre Grande Lighthouse () is an active lighthouse located atop a coastal tower on