Beacon On The Rock: Dramatic History of Lighthouses from Ancient Greece to the Present Day

Describes ancient lighthouses built by the Phoenicians and Greeks, then details development of lighthouses from seventeenth-century wood-fired beacons to today's state-of-the-art solar-powered lights. Readers are treated to a fascinating chronicle of lighthouse technology and architecture, with focus on how lighthouses have evolved over the centuries. Full-color cutaway diagrams show the inner workings of a lighthouse and describe how its lens system operates.