Sound emitter - Operating valve: Difference between revisions
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Operating valve (of a compressed-air sound emitter) | Operating valve (of a compressed-air sound emitter) | ||
Latest revision as of 09:59, 17 September 2026
Operating valve (of a compressed-air sound emitter)
The valve controlling the admission of compressed air to the device which modulates the sounding air.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
