Bar & Gauge, brass, with insulating handle.
Item code
0210001
Proves and demonstrates the effects of heating on a metal.
$25.30
$23.00
Proves and demonstrates the effects of heating on a metal.
For demonstrating expansion by heating and contraction by cooling. The gauge just about fits over the bar at room temperature, while it does not when heated. The gauge also has a hole which just accepts the bar end.