These were used in Spitfires, Hurricanes, Lancaster's etc as well as most other British WW2 aircraft.
WW2 Air Ministry Chart Board Lamp , Ww2 RAF Aircraft Clip On Lamp
5C/540 WW2 AIR MINISTRY ENGINE START BUTTON
WW2 Air Ministry P-8 Aircraft Compass
WW2 Air Ministry RAF Stereoscope with Original case 14B / 746
WW2 AIR MINISTRY RAF NAVIGATIONAL COMPUTER MK III H, Ref No 6B/250
Original Vintage WW2 Royal Air Force RAF Air Ministry Ditching Whistle Mae West