Airspeed Indicator 320 MPH Mk IXD RAF F-86 The main large dial is

The main large dial is the standard clock display

Handle Like Eggs") but with an electrical pick-off at the back

The case is open

long and short

the compass can be employed as a plain gyro D

Airspeed Indicator 320 MPH Mk IXD RAF F-86 The main large dial isThis is an excellent example of a WWII era Air Speed Indicator Mark IXD, as used in the British RAF Fairey Battle bomber and the Airspeed Oxford utility aircraft. This particular specimen has a serial number showing a year of manufacture of 1940. Air speed from 0 200 MPH is indicated by a clockwise rotating pointer, starting at the 6 o'clock position, along the outer perimeter scale. As the aircraft passes 200 MPH, air speed is indicated along the