Sun switch

From International Dictionary of Marine Aids to Navigation
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5-4-335

Sun relay Daylight control

A device operated by daylight that automatically controls a light, often electric, lighting it at or about sunset and extinguishing it at or about sunrise.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

Languages

English

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM

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