"Ward's Phenomena"

Dramatically Demonstrate Electromagnetism.

For class model building.

Durable plastic knife switch for electrical circuits.

A set of eight coils wound on individual plastic spools. Each coil has two binding posts.

Demonstrates static potentials.

A great visual for the classroom

This newly designed rheostat features a protective cover.

Students use the St. Louis Demo Motor to research fundamental principles of electric motors and generators.

Diodes for PCB or panel mount.

The construction of the multi-functional Demo Electric Motor is completely open.

Demonstrate superposition of magnetic fields with this easy-to-use apparatus.

Ampere's Rule Apparatus helps users visualize the power of electromagnetism.

Ideal electrostatic tool for generating voltages.

Standard decade resistance box.

Enhance your electroscope with these fine gold leaves.

Demonstrate the conversion of mechanical energy into electrical energy by generating a static charge.