Large Needle Electroscope, 1.5lbs, 7.0x6.0x4.0 in, ideal for classroom demonstrations of electrostatic principles, A light-weight metal vane, used as a pointer in the electroscope. A transparent scale, provided to measure the angle of the deflection
Leyden Jar, Designed For Classroom Demonstrations, With A Durable Inner And Outer Plate, A Plastic Dielectric, And Instructions. The Inner Plate Has A Hook And Ball Attached Which Makes It Easy To Charge, Use This Equipment To Duplicate Many Classic Static Electricity Experiments
light leaper accessory, insulating printed circuit board carries a metallic conduction path with six breaks and a binding post at each end, When connected to an operating electrostatic generator, simultaneous sparks occur in each of the breaks as charge flows