Description
Used as the leaves of an electroscope. Consists of a pair of pith balls attached to ends of two strings which hang from hook mounted on insulated pillar on a stable metal tripod base.
Used as the leaves of an electroscope. Consists of a pair of pith balls attached to ends of two strings which hang from hook mounted on insulated pillar on a stable metal tripod base.
Used as the leaves of an electroscope. Consists of a pair of pith balls attached to ends of two strings which hang from hook mounted on insulated pillar on a stable metal tripod base.