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Science First Coulomb's Law Apparatus

Item #: 589581
$57.09 $42.82
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Science First Coulomb's Law Apparatus allows verification of the inverse square law that governs the behavior of 2 electrostatically charged spheres. Low-cost unit ideal for 4 students includes a heavy cardboard enclosure with internal mirror and scale, pith balls and thread, plastic covers, plastic charging strip as well as instructions.