Airspeed indicator from the 'Southern Cross', metal / glass, made by the British Wright Co Ltd, London, England, 1925-1928
Circular airspeed indicator made of metal with a circular glass cover on the front side surrounded by six screws which protrude through to the reverse. On the back of the indicator is a pair of short metal tubes (the pilot and static connectors) arranged in a triangular shape with a hollow centre that protrudes from the bottom. The glass cover on the front face features a horizontal crack across the middle and the exterior of the metal indicator, which is painted black, is covered by scratch marks. There is one white arrow used to indicate the speed, which is now fixed at one hundred and forty five miles per hour. The numbers denoting the speed are represented in silver.
Approximaate dimensions: Height: 45 mm Width: 141 mm Diameter/Length: 145 mm