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The inner chamber is easy to clean
The meter's compact size does not compromise its functionality
aiding in teaching fundamental concepts of measurement and geometry
Mechanical Stage: The co-axial
Pith Electroscope Educational Product With Pithball ampoule filling and sealing machine principle The inner chamber is easypith ball Brand: WKM Features: Pith electroscope for demonstrating static electricity Two pith balls suspended on unspun silk string to test for charged objects Plated brass pillar for durability Plastic base for display Suitable for high school or college students, or ages 14 to 21 Binding: Electronics Part Number: BSP255 Package Dimensions: 2. 0 x 1. 2 x 1. 2 inches
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