"Ward's Phenomena"

Sized For Student Use.

Understand Color and Heat Absorption.

Vivid Illustration of Thermoexpansion.

Employs Guericke’s Method for Demonstrating the Force of Atmospheric Pressure.

A new way to demonstrate thermal expansion in a metal.

Demonstrate Principles of the First Commercially Produced Steam Engine.

Bring Some Heat Into the Classroom

The Student Coin and Feather Tube shows the two items in a vacuum, falling at the same rate.

Demonstrate the Force of Air Pressure Without a Vacuum Pump

Brass ball mounted on brass rod for thermal expansion experiments.