Searchlights, Integrated Electric Circuits, Solenoids, Solenoid Valves, Ammeters, Voltmeters, Distance Recording Instruments, Rheostats, Electric Current Rectifiers, Voltage and Electric Current Control Regulators, and Capacitors; Electric Communication Networks, Avionics and Telemetry Networks; Electric Battery Chargers; Apparatus and Instruments, All for Testing Fuel Supply Systems for Gas Turbine Engines; Connectors, Junction Boxes, Inverters, Relays, Switches, Switchgear, Switchboards, Switchpanels, Switchboxes, Plugs, Sockets, Resistances, Suppressors and Batteries, All Being Electric; Seismic Prospecting Apparatus and Instruments; Semi-Conductor Apparatus, Diodes, Insulated Electric Wires, Electric Cables, Printed Electric Circuits, Hybrid Electric Circuits and Electric Wiring Harnesses; Control Apparatus and Instruments, All for Electric Motors; Amplifiers, Photo-Conductive Devices, Photovoltaic Apparatus, Transistor Apparatus, Solar Battery Cells, Analogue Meters, Selective Calling Apparatus and Instruments; Techographs and Tachogenerators; Ice Detecting Apparatus; Control Apparatus and Instruments, All for Use with Torpedos; Ultrasonic Flaw Detectors; Electrical Band Pass Filters; Frequency Analysers and Frequency Counters; Ultrasonic Hardness Testers and Ultrasonic Leak Detectors; Materials Testing Apparatus and Instruments; Oscillators, Phase Meters, Pressure Transducers, Sound Level Meters, Speed Probes being Monitoring Apparatus, Stroboscopes, Timing Apparatus and Time Switches; Ultrasonic Thickness Gauges; Apparatus and Instruments for Testing Electrical Equipment for Testing Telecommunication Networks, and for Vibration Testing; Thermostats, Regulating Apparatus and Instruments, All for Maintaining Preselected Speed of Land Vehicles, Watercraft and of Aircraft; Voltage Converters and Electric Circuit Breakers; Testing Apparatus and Instruments, Test Rigs and Consoles Therefor, All for Use in the Servicing of Land Vehicles, Watercraft and of Aircraft and for Testing the Component Parts of Land Vehicles, Watercraft and of Aircraft; Apparatus and Instruments, All for Measuring Friction and Wear, Control Apparatus and Instruments, and All for Use in the Operation of Tailplanes, Ailerons, Rudders, Elevators, Flaps, Slats and Wing Sweep of Aircraft; Damping Control Apparatus and Instruments, and All for Use in High Speed Aircraft; Radio Receiving Apparatus for Use on and in Connection with, Land Vehicles, Watercraft, and with Aircraft; Radio Receiving Aerials, Tape Recorders, Loudspeakers, Magnetic Tapes for Recording Sounds and Magnetic Tapes Bearing Pre-Recorded Sounds; and Parts of All the Aforesaid Goods