This sturdy electroscope features a metal case with front and rear glass windows for preventing air currents from affecting the deflection of the leaves. Leaves are gold and aluminum. Leaf support rod is held in place by an insulating plastic sleeve. A graduated scale is also provided for measuring the deflection from 0 to 90 degrees. Includes activity guide.
Dimensions: 6"x4"x8". Shipping weight: 1.25 Lbs.
Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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