"Tubes"

This demo features a cathode beam to explain the electromagnetic nature of electrons.

This newly designed rheostat features a protective cover.

Small electrolysis apparatus with beaker included.

This excellent quality electrostatic generator consists of a charge generation system, an aluminum collector sphere, and an electric motor drive on a sturdy base.

The Air-Cooled Laboratory Rheostat is the classic lab solution for controlling voltages and currents.

The Lenz's Law Kit investigates how much force an induced magnetic field can create.