Aerial Navigation radio aids Koninklijke Nederlandse Brigade "Prinses Irene", deel 3, H.Q Company Beknopte radio-navigatie Radio en luchtvaart Radio and Instrument Flying Radio and Instrument Flying : instructor manual Radio en electro-acoustiek International meeting on radio aids tot marine navigation May 1946 Volume II; Radio navigation, radar and position fixing systems for use in marine navigation Radio en Luchtvaart TD-422-13bj Tekening nr. A 17057; Instr. panel lamp radio shielding TD-422-13bl Tekening nr. A 17102; Pyle lamp radio shielding TD-422-13bn Tekening nr. A 17112; Switch box radio shielding
