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Ships within 48 hours · Estimated delivery Oct 3 - Oct 8
durable base
Two different metal plates riveted together from end to end
You get a set of 10 learning numbers from 0 to 9
Stainless tray use straight pins to position specimens in this slope-sided dissection tray
This model may be operated in electric motor mode or hand cranked to illustrate that the charge produced is nothing to do with the mains power supply
Double Ball Electroscope Fish Model durable baseDouble Ball Electroscopes. 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 Premium Quality: Double Ball Electroscopes is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for
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