Hand Wheel Driving Unit

For illustrating expansion by heating and contraction by cooling.

Comprising a mild steel bar 110 x 10 mm. length x diameter, on rod with wood handle, overall length approx. 280 mm. with metal cast gauge, sliding fit over ends of bar and with hole 10 mm. bore in one Arm.

This is a demonstration model with oscillating cylinder, safty valve and whistle and throttle valve, fuel heated.

The model is mounted on a metal base.