Motor-Driven Van de Graaff Generator, 220,000V Science at Home_Chemical Science Nylon ball-bearing pulley with a

Nylon ball-bearing pulley with a bench-clamp fitting for edge-mounting on a worktable

pairing a six-step 0 to 12V AC line with a continuous 0 to 12V DC line through color-coded lab terminals

providing a quick swap-in reference for general-purpose AC-circuit and timing-experiment work

Two variable 0 to 6V DC outputs paired with two fixed 6V/10W and 12V/20W AC outputs on this power supply controller

Large-format 8

Motor-Driven Van de Graaff Generator, 220,000V Science at Home_Chemical Science Nylon ball-bearing pulley with aContinuously motor driven to supply a steady high voltage source, this silicone belt Van de Graaff generator demonstrates charge conservation, conduction, and ionization.