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
Kastri Lighthouse Kastri Lighthouse The Kastri Lighthouse also known as the Lighthouse of Othonoi is an active 19th century lighthouse which marks the approaches to Othonoi the most northerly island of the Ionian archipelago. Established in 1872, the lighthouse was built on Cape Kastri, at the north eastern tip of the island. A road links the site to Ammos the main settlement on Othonoi. The light which has a characteristic of one flash of white light every ten seconds is shown from a lantern room at the top of a thirteen-metre high tower. The masonry tower stands above the seaward side of