sun valve — noun : a device operated by the heat and light of the sun by which beacon lights or other apparatus may be automatically turned off during the daytime … Useful english dictionary
Staring at the Sun (Grey's Anatomy) — Infobox Television episode | Title = Staring at the Sun Series = Grey s Anatomy Season = 3 Episode = 8 Guests = Matt Winston (Frank, the Pec Implant Guy), And Kate Burton as Ellis Grey Airdate = November 16, 2006 (ABC) Production = 308 Writer =… … Wikipedia
Balance valve — Balance Bal ance (b[a^]l ans), n. [OE. balaunce, F. balance, fr. L. bilanx, bilancis, having two scales; bis twice (akin to E. two) + lanx plate, scale.] 1. An apparatus for weighing. [1913 Webster] Note: In its simplest form, a balance consists… … The Collaborative International Dictionary of English
Gustaf Dalén — Born Nils Gustaf Dalén 30 November 1869(1869 11 30) Stenstorp … Wikipedia
St. Helena Island Light — Infobox Lighthouse caption = Undated USCG photo location = St. Helena Island Michigan coordinates = coord|45|51.50|N|84|52.25|W yearlit = 1873 automated = 1922 yeardeactivated = foundation = limestone construction = brick shape = conical marking … Wikipedia
Lighthouse — For other uses, see Lighthouse (disambiguation). Speculative drawing (c. 2006) of the Lighthouse of Alexandria, on the island of Pharos … Wikipedia
Sweden — This article is about the country. For other uses, see Sweden (disambiguation). Kingdom of Sweden Konungariket Sverige … Wikipedia
Carbide lamp — Carbide lamps, also known as acetylene gas lamps, are simple lamps that produce and burn acetylene (C2H2) which is created by the reaction of calcium carbide (CaC2) with water.These lamps were used in mines after the re invention of the medium in … Wikipedia
Dalén light — AGA light nearby Djurgården in Stockholm. The Dalén light was the predominant form of light source in lighthouses from the 1900s through the 1960s, when electric lighting had become dominant. The system was invented by Gustaf Dalén and marketed… … 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
