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Amazon.com: Arbor Scientific Van de Graaff Generator, 10” Dome, up to 350kV, 30” Tall, Includes Instructional Guide : Office Products
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Amazon.com: Hand Crank Van de Graaff Generator, up to 100kV - Static Electricity Generator, Hand Generator - 7.5" Dome, 4" Discharge Sphere, 22" Tall - Eisco Labs : Industrial & Scientific
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