Bell in Vacuum Jar

Bell in Vacuum Jar

Item# CM1202016
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Bell Jar Vacuum Suction Unit

* Vacuum suction base

* Polycarbonate (PC) bell jar

* Electric bell (2 AA battery required, battery not included)

* Sound barrier sponge

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"
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