Bar & Gauge, brass, with insulating handle.

Bar & Gauge, brass, with insulating handle.

Item code
0210001

Proves and demonstrates the effects of heating on a metal.

$28.50 $31.35
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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.