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| Demonstrates: Sound does not travel in a vacuum. |
Description: A bell is inside a bell jar which can be evacuated.
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Instructions:
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| Items Used: Notes: Bell rung in partially evacuated jar can barely be heard. Math Description: None.
Size: 63" h x 28" w Condition: Good. Hazard: Very heavy. Toe stubber.
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| Schematic:
None. Tech Specs:
None. Web Links: |
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| History: |
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