Rod Ebonite for Physics Lab With rounded ends; 300 x 12.5 mm.
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Electroscope Pith Ball for Physics Lab A chrome plated brass pillar mounted on a wooden base with 2 pith balls spheres on unspun silk.
For demonstrating that an electrical charge resides on the external surface of a conductor. Net with cord on insulating pillar with metal tripod base. Overall height 350 mm approx.
Cellulose Strip For producing positive charges relative to polythene when rubbed by woollen rubber.. Overall Dimensions : 250 x 25 x 1.5 mm
Insulated Spheres for Physics Lab Pair of brass spheres mounted on a insulated rod for demonstrating effect of ionization on a spark gap.
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