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'''3-2- | '''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 | 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 | ||
Latest revision as of 09:55, 17 September 2026
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)
