"Wards"

Bridge has broad, heavily plated brass strips mounted on polished hardwood base.

Comprehensive Basic Electricity Kit For Building and Studying Circuits.

Ideal tool for studying and observing the basic concepts of a relay.

Powered by (4) 'C' batteries, it can lift objects up to 100lbs.

Magnetizing box for recharging magnets.

Small electromagnet to demonstrate the concept of electromagnetism.

Loop apparatus ideal for studying Lenz Law and Faraday's Law.

Excellent tool for viewing magnetic fields.

Solenoid for demonstrating magnetism and electromagnetism.

Durable solenoid for induction experiments.

Allows students to visualize magnetic fields.

Demonstrates static magnetic fields.

Simple, easy-to-use compasses.

Aluminum, economical plotting compass.

Aluminum, economical plotting compass.

Brass, economical plotting compass.