RAF Air Speed Indicator Mk IXA

The Mk IXA instrument (the 'A' signifying the dial is non-luminous) entered service in the 1930'sand replaced the V series of instruments and was the first to have a bakerite case and was standard fit in most British aircraft in WWII. Numerous versions were made each with a different speed scale; in this instance the speed is marked in M.P.H. as opposed to Knots and the scale runs from 2-240 MPH. This indicates this is an early instrument as on later ones the scale commenced at 5MPH. The branch connecting tubes emerge from the back of the dial which is nicely stamped with a Kings Crown and A.M. as well as a patent number. This instrument would have been fitted to a variety of aircraft but definitely the RAF Auster 1V & V. Whilst this instrument is offered for sale as a collectors item only it does still have an RAF Returned Equipment ticket attached which indicates when last checked it was pronounced 'Serviceable' by the assessing officer. Dial bezel dimension 3.6" (9.3 cm)