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'''3-2-070 | '''3-2-070 | ||
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 | |||
{{IALAFooter}} | {{IALAFooter}} | ||
Latest revision as of 17:08, 7 February 2024
3-2-070
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)
