Rod Ebonite

Electroscope Pith Ball for Physics Lab A chrome plated brass pillar mounted on a wooden base with 2 pith balls spheres on unspun silk.

Comprises a shallow glass dish 100 x 10 mm & a pair of socket terminals/ electrode holders that clip onto its rim. A compliments of six electrodes is supplied, two point source, two line source & two circular rings of 70 & 35 mm diameter respectively