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| Demonstrates: Directing sound waves. |
Description: Conical devices used to focus sound waves.
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Instructions:
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| Items Used: Notes: There are several megaphones available - including two Lobo Football megaphones. Math Description: None.
Size: Various up to 36". Condition: Good. Hazard: Not enough school spirit.
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| Schematic:
None. Tech Specs:
None. Web Links: |
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| History: |
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