Conductivity Ring, 4 Different Metals, Brass, Copper, Iron, and Aluminium, Australian Made, Each

The IEC CONDUCTIVITY RING is designed for use in the classroom. It is a simple demonstration of the differences in heat conductivity between different metals. Four strips, iron, brass, copper and aluminium, are fixed to an aluminium ring. The initial of each metal is stamped into each strip for identification. The four strips are resting on small raised ribs to reduce the unwanted conduction of heat into the aluminium ring.