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searching for Sun valve 5 found (30 total)

alternate case: sun valve

Dalén light (374 words) [view diff] exact match in snippet view article find links to article

due to illumination during the day and subsequently Dalén developed the sun valve to shut off the flashes during daylight. The technology was a form of

Vypin Lighthouse (294 words) [view diff] exact match in snippet view article find links to article

steel tower was installed with a gaslight. In 1966, a mechanism called sun valve was introduced. Plans to construct a taller and brighter light and a radio

Buoy (2,213 words) [view diff] exact match in snippet view article find links to article

distinguished from ships' lights and from each other. A later development was the sun valve which shut off the gas during sunlight. Race course marker buoys are used

List of civil engineers (159 words) [view diff] exact match in snippet view article find links to article

canal engineer Thomas Dadford Jr. English canal engineer Gustaf Dalén Sun valve, unmanned acetylene lighthouses George Christian Darbyshire Australian

Sir Hugh Rose Island (428 words) [view diff] exact match in snippet view article find links to article

position in 1978. The DA gas burner was replaced by a DA gas flasher with a sun valve. This reduced the consumption of DA gas but the intensity of the light