Relay unit BE-84-A (teletype trunk) - USA Voorschrift, Technical Manual, 11-343 Radar electronic fundamentals - USA Voorschrift, Technical Manual, 11-466 Keyers TG-10-A, TG-10-B, TG-10-C, TG-10-D, TG-10-F, TG-10-G, TG-10-H and TG-10-J - USA Voorschrift, Technical Manual, 11-447 Signal generator TS-343/U - USA Voorschrift, Technical Manual, 11-1233 Operator, Org, DS and CS maintenance manual: Oscilloscope, Tektronix Model 422 (Shillelagh Guided Missile System) - USA Voorschrift, Technical Manual, 9-4935-465-14/2