Acoustic interference with Quincke (trombone) tube and sonalert.
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Acoustic Interferometer: Interference with the Quincke Tube. Top section can slide in or out to adjust for positive or negative interference. Caution: After 3 maxima and minima, the device pulls apart. Avoid this.
UCB Index:
B+35+5
PIRA Index:
3B55.40
Demo Diagram:
UCB Taxonomy:
PIRA Taxonomy:
Popularity:
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