Description

Solid metal 1kg rollers at 8cm wide by 4

for side-by-side period-versus-mass comparisons across three materials

sized for two-cell battery-pack circuits and the standard ray-box and panel-lamp apparatus

supplying a duplicate-value option for paired-bench experiments on capacitor energy storage

and magnetic-property variations

Demonstration Electroscope Capacity_50mL Solid metal 1kg rollers atLarge 150mm ring with charging ball and condenser plates on an insulated rod, sized so the leaf deflection stays visible from the back of the room during whole class electrostatics demos.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
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Demonstration Electroscope Capacity_50mL Solid metal 1kg rollers at

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