BAR AND GAUGE
To illustrate expansion of metal on heating and contraction on cooling, with steel bar of length 110 x 10 mm and plated brass gauge with a cutout to just accommodate the bar and two holes through which the bar passes when cold.
PH 10508a Economy
PH 10508b Superior
- Description
Description
To illustrate expansion of metal on heating and contraction on cooling, with steel bar of length 110 x 10 mm and plated brass gauge with a cutout to just accommodate the bar and two holes through which the bar passes when cold.
PH 10508a Economy
PH 10508b Superior
