Motor-Driven Van de Graaff Generator, 220,000V Science at Home_Chemical Science Thirteen-piece research-grade starter kit assembling

Thirteen-piece research-grade starter kit assembling the retort stand

Pivoted needle-style electroscope that swings on its axis when a charge is applied

and hinge-distance scales adjustable from 0 to 45 degrees

25-inch Atwood machine with two 2-inch blue-plastic pulleys on an aluminum rod

and brush needed to outfit a chemistry or biology bench from scratch

Motor-Driven Van de Graaff Generator, 220,000V Science at Home_Chemical Science Thirteen-piece research-grade starter kit assemblingContinuously motor driven to supply a steady high voltage source, this silicone belt Van de Graaff generator demonstrates charge conservation, conduction, and ionization.