British WW2 RAF Cource and Airspeed Calculator MKII

British WW2 RAF Cource and Airspeed Calculator MK II
Very nice and interesting Flight instrument in its original wooden case for RAF bombers
“Cource and Airspeed Calculator MKII”
Made by “H.T.A. (1928) Ltd.” nicely “A.M.” marked (Air Ministry) The instrument is in very good and working condition! Great for an RAF (Royal Airforce) display!

Code: 75051