Vacuum


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Bell Vacuum Jar

To demonstrate that sound needs a material medium for its propagation. The experiment is done by pla..

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Bell Vacuum Jar with Gauge

To demonstrate that sound needs a material medium for its propagation. The experiment is done by pla..

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Bell Vacuum Jar with Terminals

To demonstrate that sound needs a material medium for its propagation. The experiment is done by pla..

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Space Tube

A modern replacement for the Bell in a Bell Jar Apparatus. A 90 mm diameter acrylic tube houses a ba..

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