fog diaphone

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• Diaphone — For the organ pipe, see Organ pipe#Diaphone pipes. For the linguistic term, see Diaphoneme. For Diaphone, the Noctuid moth species see Diaphone (moth) The diaphone was a noisemaking device best known for its use as a foghorn: it could produce… …   Wikipedia

• diaphone — noun Date: 1906 a fog signal similar to a siren but producing a blast of two tones …   New Collegiate Dictionary

• Foghorn — For other meanings see Foghorn (disambiguation). A foghorn or fog signal or fog bell is a device that uses sound to warn vehicles of hazards or boats of the presence of other vehicles in foggy conditions. The term is most often used in relation… …   Wikipedia

• lighthouse — /luyt hows /, n., pl. lighthouses / how ziz/. 1. a tower or other structure displaying or flashing a very bright light for the guidance of ships in avoiding dangerous areas, in following certain routes, etc. 2. either of two cylindrical metal… …   Universalium

• Ballast Point Light — Infobox Lighthouse caption = location = Point Loma, California coordinates = yearbuilt = 1890 yearlit = automated = yeardeactivated = foundation = construction = shape = Square height = convert|34|foot|0 currentlens = lens = Fifth order Fresnel… …   Wikipedia

• Point Arguello Light — Infobox Lighthouse caption = location = Santa Barbara Channel, California coordinates = coord|34|34|37|N|120|38|50|W|region:US type:landmark yearbuilt = 1901 yearlit = 1967 automated = yeardeactivated = foundation = construction = Post light… …   Wikipedia

• Point Sur Lighthouse — Infobox Lighthouse caption = U.S. Coast Guard Archive location = Point Sur Lightstation State Historic Park, California coordinates = coord|36.3063|N|121.9016|W yearbuilt = 1889 yearlit = 1889 automated = 1972 yeardeactivated = foundation =… …   Wikipedia

• СИГНАЛЫ ТУМАННЫЕ — (Fog signals) сигналы, подаваемые в море маяками и судами во время туманной погоды в целях обеспечения безопасности мореплавания. Применяются три способа туманной сигнализации: 1) воздушными звуковыми сигналами, включающими: колокол (Fog bell),… …   Морской словарь

• Baily Lighthouse — Infobox Lighthouse name = Baily Lighthouse caption = Howth head Lighthouse Co Dublin location = County Dublin coordinates = yearbuilt = yearlit = automated = yeardeactivated = foundation = construction = shape = marking = height = elevation =… …   Wikipedia

• Point Betsie Light — Infobox Lighthouse caption = Point Betsie Lighthouse location = North of Frankfort, Michigan coordinates = coord|44.6913| 86.2552| yearbuilt = 1859 yearlit = 1859 automated = April 1983 yeardeactivated = foundation = Concrete construction = Cream …   Wikipedia

• Split Rock Light — Infobox Lighthouse caption = The tower of the Split Rock Lighthouse, Summer 2004 location = Silver Bay, Minnesota coordinates = coord|47.20005|N| 91.3669|E|region:US type:landmark yearlit = 1910 automated = never yeardeactivated = 1969 foundation …   Wikipedia