Polycarbonate (Pc) Vacuum Bell Jar with Base, Sound Physics Demonstration

Sale: $13.8  $5.52
Save: 60% off ( 60% OFF, Ends tomorrow! )

  • Model: 90cuwum
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Description
The bell jar can be used for the following demonstrations: (1) Bell-in-a-vacuum-jar sound experiment. (2) Boiling water in a vacuum. (3) Air pressure. (4) Cool air compression. (5) Water fountain. Bell jar dimensions: 5 1/2" (ID) x 8" (H, inside).
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  • Vacuum suction base
  • Polycarbonate (PC) bell jar
  • Electric bell (2 AA battery required, battery not included)
  • Sound barrier sponge


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