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Bell Jar

This thick glass bell jar with base plate includes an electric bell on a rubber mount to demonstrate that sound does not propagate in a vacuum.

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Description

This thick glass bell jar with base plate includes an electric bell on a rubber mount to demonstrate that sound does not propagate in a vacuum. Remove the air from the jar and the sound from the bell gradually fades.

https://www.pasco.com/products/lab-apparatus/waves-and-sound/ripple-tank-and-standing-waves/se-7725#specs-panel