Bell in vacuum jar sound physics demonstration demo water boil air pressure New For Sale

Bell in vacuum jar sound physics demonstration demo water boil air pressure New


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Bell in vacuum jar sound physics demonstration demo water boil air pressure New:
$63

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"

Sold by Chang Bioscience Inc.Ship in 1-3 days after receiving payment.



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