Electroscope Pith Ball Sanitizer Designed for use in geology

Designed for use in geology classrooms

Anemometer: 0

transverse waves are obtained with bent

hands-on way to learn place value

and gas detection

Electroscope Pith Ball Sanitizer Designed for use in geologyElectroscope Pith Ball A simple device for detecting the presence of electrostatic charges A plated brass pillar mounted on base supporting two pith balls in un spun silk. Premium Quality: Electroscope Pith Ball is made of high grade construction all the way through, excellent build quality and proven reliability across the range. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need