Description
The six lighthouses and dwellings are basically identical, with minor variations in the design keyed to the different building sites. Five of the towers are 80 feet tall; that at Christian Island is 55 feet. The rock courses at the bottom of the towers reach some seven feet thick, and the walls at ground level are six feet thick, tapering towards two feet thickness at the top. Though the lighthouses are conical, their interior diameter is 10'6'' throughout.
The towers and dwellings are constructed of limestone, with granite added to the towers to support the lantern rooms. The lanterns are made of copper alloys, glass, and cast iron.
The towers are whitewashed and painted with red trim. Each was initially equipped with a Fresnel lens; they were the first Canadian lighthouses so equipped.
As of 2006, all six towers are still standing.
Read more about this topic: Imperial Towers
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