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Vacuum Hood Suction Disc Bell in Vacuum Laboratory Jar Sound Physics for Sound Propagation Experiment and Low-Pressure Plastic Cover Boiling Test

GOOGmachine

Sale price $71.00 Regular price $80.00

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  • The max height: 270mm
  • The max diameter: 195mm
  • Main material: glass and platics
  • Notice: you need a vacuum pump to do the experiment
  • 1. Sound propagation experiment 
    The Bell on the bell with a bell above the sound of the bell, bells can still hear a clear electric bell, and then extract the air bell, electric bells will gradually weaken until the sound can not hear, close the exhaust valve , So that students observe, bell bell hammer is still kept ringing bell, but can not hear the sound. 
    2. Low-pressure boiling test

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