Airspeed Indicator 320 MPH Mk IXD RAF F-86 the compass can be employed

the compass can be employed as a plain gyro D

This example is in its original wooden case

The main large dial is the standard clock display

It appears to have never been put into service judging from its superb condition

This 77-page manual describes the gun and its subassemblies

Airspeed Indicator 320 MPH Mk IXD RAF F-86 the compass can be employedThis 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