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・ Caissa Capital
・ Caissargues
・ Caisse
・ Caisse d'allocations familiales
・ Caisse de dépôt et de gestion
・ Caisse de dépôt et placement du Québec
・ Caisse de la Dette
・ Caisse des dépôts et consignations
・ Caisse populaire Desjardins de l'Est de Drummond v Canada
・ Caissie Cape, New Brunswick
・ Caissie Levy
・ Caisson
・ Caisson (Asian architecture)
・ Caisson (engineering)
・ Caisson (lock gate)
Caisson lighthouse
・ Caisson lock
・ Caisson Nemo
・ Caisteal Abhail
・ Caisteal Grugaig
・ Caisteal Maol
・ Caister (Retreat Conference)
・ Caister Academic Press
・ Caister Camp Halt railway station
・ Caister Castle
・ Caister High School
・ Caister Roman Site
・ Caister Volunteer Lifeboat Service
・ Caister, Norfolk
・ Caister-on-Sea


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Caisson lighthouse : ウィキペディア英語版
Caisson lighthouse

A caisson lighthouse is a lighthouse whose superstructure rests on a concrete or metal caisson.
Caisson lighthouses were developed in the late nineteenth century as a cheaper, more efficient alternative to screwpile lighthouses; they could better withstand harsh weather, and were not as fragile. Generally speaking, the house was made of cast iron, although some brick examples are known.
Most caisson lighthouses were built at fairly exposed stations, but a few exist closer to shore.
Wolf Trap Light and Baltimore Light, both in the Chesapeake Bay, are examples of caisson lighthouses.
==See also==

*Sparkplug lighthouse


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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