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Make pitches jump around using high pressure

Up to 5 overtones can be created from a pump made of piping and a mounted organ pipe just by changing the pressure.

Facts & Data

  • Materials - Silkscreen plating, PVC tube, labium
  • Sound - High, whistletones
  • Setting - Outside or inside
  • Setup time - 1 minute
  • Duration for use - Hours, days, weeks
  • Space required - 200 cm x 200 cm
  • Electricity - not needed