Airspeed Indicator 320 MPH Mk IXD RAF F-86 This 77-page manual describes the

This 77-page manual describes the gun and its subassemblies

the compass can be employed as a plain gyro D

The calibration screw is on the rear of the instrument at the 3 o'clock position

The altitude is set by the left knob and is displayed in the right window

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

Airspeed Indicator 320 MPH Mk IXD RAF F-86 This 77-page manual describes theThis 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