Electroscope, Metal Case, Big

It has an insulating bush carrying a metal blade underneath it and to which a single metal leaf may be pivoted which deflects, when charged. A transparent scale graduated 0 to 90º is provided for measuring the deflection of the leaf. Includes two interchangeable electrodes that can be fitted on top – a disc electrode of diameter 50mm and a metal ball of 25mm diameter, to study the charge capacities of both the electrodes.

Overall dimensions 112×63×143mm (width × thickness × height).