Airspeed Indicator 320 MPH Mk IXD RAF F-86 as used in aircraft of

as used in  aircraft of the US Army Air Force and US Navy with tail wheel or nose wheel landing gear

The case is open

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

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

This example is in its original wooden case

Airspeed Indicator 320 MPH Mk IXD RAF F-86 as used in aircraft ofThis 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