It is to demonstrate, curvature introduced by unequal expansion of two different metals. Two different metal brass and steel strips riveted together from end and fitted wooden handle. Both bars are riveted together. For demonstrating the differential expansion of two metals as shown by the curvature produced when the bar is heated. Both bars are riveted together.

Compound Bar Features

• Length: 20 cm
• Width: 2.5 cm
• Brass and steel strip riveted together