Tek. nr. D.223978; Introduction of Mk 5.B. gyrogun sight. . . . . . . . . Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.208448 & 208449; Armament installation, assy of gun mountings. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.187117; G.A. of hood winding gear. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.233383; G.A. of nose piece. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.187474 & 187475; G.A. of main under carriage. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.215808; Fuel system centre fuselage, assy of double fuel level switch. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.199920; G.A. of electrical equipment in port wing. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.199921; G.A. of electrical equipment in stbd. wing. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.200071; Installation of centre fueltanks. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.222747; G.A. of D.M.E. installation A.R.I. 23013. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.223756; assembly of dorsal fin. Hawker Aircraft Limited, Kingston-on-Thames Tek. nr. D.187695; Assy of stbd. Instrument panel. Hawker Aircraft Limited, Kingston-on-Thames