Electroscope
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Flask form electroscope. Just touch the top of the knob with a charged object, and the leaves will separate. Bigger charges cause more separation. Includes 250 ml flask, stopper, plated rod with knob, aluminum and gold foil leaves.
Flask form electroscope. Just touch the top of the knob with a charged object, and the leaves will separate. Bigger charges cause more separation. Includes 250 ml flask, stopper, plated rod with knob, aluminum and gold foil leaves.
2019-03-21 00:20:03