Description

four magnet-mounted pulleys

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

demonstrating how sound transmission weakens as the air is evacuated

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

Demonstration Electroscope Capacity_50mL four magnet-mounted pulleysLarge 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]
Please click here for more details>>> Return & Exchange Policy

Demonstration Electroscope Capacity_50mL four magnet-mounted pulleys

You may also like

recommand products