Description

and raised-graduated for shatterproof bench use

and dishwasher cycles

Concave glass mirror at 75mm diameter and 150mm focal length on a ~3mm-thick blank

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

Demonstration Electroscope Capacity_50mL and raised-graduated for shatterproof benchLarge 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.

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Demonstration Electroscope Capacity_50mL and raised-graduated for shatterproof bench

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