Sound emitter - Mechanical

From International Dictionary of Marine Aids to Navigation
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3-2-025

Mechanical (sound) emitter

A sound emitter comprising a diaphragm or a piston which is caused to vibrate mechanically.




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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