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
Capo Caccia Lighthouse Capo Caccia Lighthouse Capo Caccia Lighthouse () is an active 19th century lighthouse situated at the extremity of Capo Caccia, from Tramariglio a frazione of Alghero on the western coast of Sardinia. The lighthouse was built in 1864 on the top of the namesake promontory overlooking the sea, just above Neptune's Grotto connected by s staircase of 656 steps named Escala de Cabirol (Staircase of roe). The light station is a three-story white building protected by a Faraday cage to defend from the lightning strikes; above the keeper's house stands the tower high, which was rebuilt in 1950s, bringing the