B-3 Nr 29 Nr 122 Nr 146 MKIIID MKIIIH true airspeed computer type G 1 Altitude correction computer type AN-5837-1 Rekenschijf / flight computer F-104 MG-4 Pantser Rups Tegen Luchtdoelen [PRTL] met twee kanonnen 35 x 228 field survey pamphlet Machine computing / prep. under the direction of the Chief of the Imperial General Staff ; [issued by the War Office]
