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
Tangasseri Lighthouse Quilon and the Infant Jesus Cathedral. Visitors are allowed access to the lighthouse between 11 am and 5 pm. Tangasseri Lighthouse Tangasseri Lighthouse or Thangassery Lighthouse is situated at Tangasseri in Kollam city of the Indian state of Kerala. It is one of two lighthouses in the Kollam Metropolitan Area and is maintained by the Chennai Directorate General of Lighthouses and Lightships. In operation since 1902, the cylindrical lighthouse tower painted with white and red oblique bands has a height of , making it the 2nd tallest lighthouse on Kerala Coast. Tangasseri Lighthouse is one of the most visited lighthouses