Conductivity Apparatus

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.

The section cut model is constructed of light and strong metal showing air intake, axial flow, double stage compressor, fuel supply, combustion chamber, turbine rotar, jet thrust, exhaust etc. Complete on base.