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
Geitungen Lighthouse light sits at an elevation of above sea level on top of an octagonal prism tower. The concrete masonry tower is attached to a U-shaped one-story lighthouse keeper's house. The lighthouse is painted white and the roof is red. The lighthouse also emits a racon signal, using the morse code letter "G". The racon signal can be received inside a radius of the lighthouse. The lighthouse was established in 1924 as a replacement for Skudenes Lighthouse, which had operated from 1799 to 1924. Geitungen Lighthouse was designed by Jørgen H. Meinich, who later also designed Makkaur Lighthouse. The argument for