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PIRA DCS & Bib
Pitch
Acoustics
Pitch
3C20.05 - Infrasound
3C20.10 - Range of Hearing for the Human Ear
3C20.15 - Galton's Whistle
3C20.16 - Ultrasonic Waves - Suspended Rods , Ultrasound
3C20.17 - Quartz Oscillators - Quartz Tuning Forks & Watches
3C20.20 - Zip Strips
3C20.21 - Grooves on a Record - Model
3C20.23 - Grooves on a Record - LP
3C20.25 - Musical Pop Bottles
3C20.30 - Siren Disk - Seebeck Siren
3C20.35 - Sirens
3C20.40 - Savart's Wheel - Musical Saws
3C20.43 - Coin in a Balloon
3C20.60 - Increasing Pitch - Euler's Disk, Magnets & Glass Bottles, LIGO Ring Down