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Siren

From International Dictionary of Marine Aids to Navigation
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urn:mrn:iala:dic:3-2-0070

a deep sounding warning in which the sound is produced by the passage of air across slits or holes in a rotating disc, in which the membrane is activated electrically




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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