Sale Quick view Compare Add to Cart Coulomb's Torsion Balance (Coulomb's Law Apparatus), Demonstration || 28- CA$399.90 CA$319.90 CA$279.90 Quick view Compare Add to Cart
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Sale Quick view Compare Add to Cart Mechanical Resonance Demo Kit with Audio Generator || 28- CA$498.70 CA$398.00 CA$349.00 Quick view Compare Add to Cart
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