Difference between revisions of "Whistle"
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fog signal equipment producing a sharp sound by releasing compressed air or steam across an opening. | |||
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Latest revision as of 17:11, 7 February 2024
3-2-235
fog signal equipment producing a sharp sound by releasing compressed air or steam across an opening.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
