Hollow Cylinder Electrostatics Demonstration Apparatus engine models an Erlenmeyer flask

an Erlenmeyer flask

Sodium chloride lattice kit with 27 color-coded gray and green atoms plus 54 connectors for building the full cubic NaCl crystal structure in three dimensions

or lead to compare electrode potentials and trace the activity series experimentally

Bobbin-wound transformer coil with 4mm panel sockets

Polished 8cm brass sphere on an ebonite-insulated metal base

Hollow Cylinder Electrostatics Demonstration Apparatus engine models an Erlenmeyer flaskPith balls suspended both inside and outside a charged metal cylinder make visible proof that electrostatic charge resides only on the outer surface of a conductor.