Conductivity Ring 4 Metals On Wood Ring
$23.00 excl. GST
Four strips, each of copper, brass, iron, and aluminium, marked with the metal’s symbol and mounted on a hard wood ring. Depressions in the outside tips of these strips carry small pieces of wax. The observation of the wax melting correlates to the thermal conductivity of the different metals. Diameter of ring 130mm.