History of Lighthouses:
In early time people set fires at the edge of the water to warn boats of dangerous rocks and shores. The Egyptians were the first people to build lighthouses to use light to guide ships. In Egypt in 283 the Egyptians completed the tallest lighthouse ever built. It guided ships for over 1,500 years and stood 900 feet tall.
Lighthouses warn sailors to straighten their position so they don't hit land. They act as guideposts for ships at night or in a storm.
In the past the lighthouse were run by keepers. Captain George F. Collins was the first light-keeper at the Isle of Coves. When fog came up the lighthouse keepers warned ships by lighting the light, ringing bells every hour or shooting cannons.
Today most lighthouses have lights that run automatically using electricity.
source:
http://library.thinkquest.org/5286/history_of_lighthouses.htm
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