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Bell and Vacuum Demonstrator | Waves & Sound Labs

$105.74
SKU: GU15926

To demonstrate the principle that sound does not travel in vacuum. This is a modified unit which does not require external power source for the bell.

Included Features

  • Bell Jar
  • Bell which requires 2 AA batteries (not included)
  • Vacuum Pump Plate and Vacuum Hose.
  • Assembled unit is 8.5" x 11.5"