Siren Disc
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PIRA Classification: 3C20.30
Description: Air is blown though concentric rows of regularly spaced
holes on a spinning disc, producing 8 distinct tones.
Special Instructions: Turn the motor to 30. Squeeze the hose to
produces a high-speed jet of air.
Ideally For: Phys 1102, 1202, 1402
Setup time: 2 minutes
Safety Issues: Do not touch edge of rotating disc.