two-tone 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

• 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

• St. George Reef Light — Infobox Lighthouse caption = St. George Reef Light. The manmade granite caisson is five stories high by itself and waves regularly crash that high. The boom was used to lift supply launches on to the landing platform below. location = Six miles… …   Wikipedia

• Point Loma Light (old) — Infobox Lighthouse name=Point Loma Light caption = The original Point Loma Lighthouse location = Cabrillo National Monument, San Diego, California. coordinates = coord|32|40|18|N|117|14|27|W|region:US type:landmark yearbuilt = 1855 yearlit = 1855 …   Wikipedia

• 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

• Gravelly Shoal Light — Infobox Lighthouse name = Gravelly Shoal Light caption = Undated USCG photo location = Saginaw Bay, Michigan coordinates = coord|44|1|6|N|83|32|14|W yearbuilt = 1939 yearlit = 1939 automated = yeardeactivated = foundation = 50 foot diameter… …   Wikipedia

• Organ pipe — The choir division of the organ at St. Raphael s Cathedral, Dubuque, Iowa. Wood and metal pipes of a variety of sizes are shown in this photograph. An organ pipe is a sound producing element of the pipe organ that resonates at a specific pitch… …   Wikipedia

• Boardwalk Hall Auditorium Organ — Infobox Instrument name=Boardwalk Hall Auditorium Organ classification= Pipe organ range= related= musicians= builders= Midmer Losh Organ Company articles= *List of notable pipe organsThe Boardwalk Hall Auditorium Organ is the pipe organ in the… …   Wikipedia

• Atlantic-City-Convention-Hall-Orgel — Atlantic City, Convention Hall, Spieltisch mit sieben Manualen Die Orgel Atlantic City Convention Hall in Atlantic City (New Jersey) ist die größte Orgel der Welt. Sie wurde zwischen Mai 1929 und Dezember 1932 von der Orgelbauwerkstatt Midmer… …   Deutsch Wikipedia

• Orgel der Atlantic City Convention Hall — Allgemeines Alternativer Name Orgel der Boardwalk Hall Ort …   Deutsch Wikipedia

• Civil defense siren — Federal Signal Thunderbolt 1003 Civil Defense siren. A civil defense siren (also referred to as an air raid siren, tornado siren, tsunami siren, fire siren/whistle, flood siren, weather siren, time/curfew siren, or other outdoor warning siren) is …   Wikipedia