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
Finnvær Lighthouse Finnvær Lighthouse Finnvær Lighthouse () is a coastal lighthouse in the municipality of Frøya in Trøndelag county, Norway. The lighthouse is located at Finnværet on the small island of Valøya in the Froan islands. The lighthouse is located about northeast of the Sula Lighthouse which is at Sula, about northeast of Vingleia Lighthouse, and about southwest of the Halten Lighthouse at Halten. The lighthouse was originally built in 1912, but in 1985 it was closed and a new, automated tower was built right next to it. The tall concrete, cylindrical tower is painted white with two black horizontal stripes around