Beacon On The Rock: Dramatic History of Lighthouses from Ancient Greece to the Present Day (Barrons Education Series)
by By Williams, Peter
Category: History , General

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.