Description

3g nickel-plated steel balls on a red wood base

Triple tandem plastic pulley with 25/38/50mm ball-bearing wheels on an open-sided 17

used to demonstrate capacitance and the discharge of stored static charge

Tandem double plastic pulley pairing 38mm and 50mm low-friction wheels on an open-sided steel frame

Concave Glass Mirror, 50mm Diameter, 150mm Focal Length Pack Size_Single 3g nickel-plated steel balls onConcave glass mirror, 50mm diameter and 150mm focal length, the f 3 curvature stretching the focal throw for demos that need the focal point set comfortably beyond the mirror face.

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

Concave Glass Mirror, 50mm Diameter, 150mm Focal Length Pack Size_Single 3g nickel-plated steel balls on

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