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EISCO Electrostatic Friction Rod Kit : 3 Cloths, 3 Rods
Eisco Labs - Demonstration Electroscope - Detect & Measure Static Electric Charge - 10.6" x 6.3" x 4.7" - Science Experiment Tool for Physics, Chemistry, and Educational Use
Eisco Labs Pith Electroscope
Electrostatic Friction Rod Kit : 3 Cloths, 3 Rods
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