Lighthouses of the World by Lisa Purcell

Author:Lisa Purcell
Language: eng
Format: epub
Publisher: Skyhorse Publishing
Published: 2015-01-01T00:00:00+00:00

Smeaton’s Lighthouse:

A light vessel was placed at the site following the destruction of the second tower. The third tower, by civil engineer John Smeaton, marked a major innovation in lighthouse design. Smeaton modeled the tower on the shape on an oak tree, constructed from granite blocks secured with dovetail joints and stone dowels. Most importantly perhaps, he pioneered “hydraulic lime,” a concrete that sets under water and which is still used today. Construction began in 1756 and the light was first lit on October 16, 1759. Although major renovations were made in 1841, Smeaton’s tower remained in use until 1877 when erosion to the rocks below the lighthouse made the tower unstable in heavy weather. Smeaton’s lighthouse was rebuilt on Plymouth Hoe as a memorial, which is now a popular tourist attraction in Plymouth. The foundations and stub of Smeaton’s tower remain, close to the more solid foundations of the fourth Eddystone Lighthouse.

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