Chrome Steel, in Pairs, half Red/Blue painted with keepers. Dimensions are nominal.
For demonstration, mercury column is feasible and scale graduated in Metric and English system. Zero point adjustment is carried by a screw clamp attached to a glass tube, complete fitted on wooden polished, supplied without mercury.
Multipurpose, zinc carbon, good quality, leakproof, safe recommended where the current demand are modest.
R6 (915B, AA)
Pk of 10
LR6 (AA), Alkaline
Pk of 2
Pk of 4
Bell jar In Vaccum
For use on pump plate not less than 15 cm. dia. Electric Bell operating on 4-6 volts AC/DC, suspended on rubber cord in bell jar. Fine coiled wire connections to terminals mounted in rubber bung sealing the jar.
To demonstrate that charge resides only on outside surfaces of a conductor. Sphere of 5 cm. diameter on insulated stand, complete with hemispherical cups, having insulated handles.
SPHERICAL CONDUCTOR, CONICAL CONDUCTOR CYLINDRICAL CONDUCTOR ARE ALSO AVAILABLE