Pressure gauges; electric switches; silicon wafers; fuel cell electrodes; electron tubes; potentiometers; current transformers; electrical sensor apparatus for sensing the presence or absence of individuals or objects by contact or pressure; blank magnetic data carriers; fuses for electric current

Rubber covered electrical wires; Light conducting filaments; Optical fibers; Fibre optic cables; Power cables; Mineral insulated electric cables; Heat-resistant electric wires; Thermocouple wires; Cables, electric; Electric power cables; Wires, electric; Electric wires and cables; Battery cables; Electronic cables; Electric charging cables; Plastic covered electric wires

Tape and Cartridge Recorders, Measuring and Registering Apparatus for Flight Testing Provided with Pressure, Displacement Transducers, Accelerometers, Photographic and Magnetic Recorders, Ground Data Processing Station; Flight Test, Navigation and Guidance Instruments, Gyroscopes and Gyromagnetic Compasses, Gyroplatforms, Vertical Gyroscopes, Spherical Indicators, Autopilots: Telemetry and Remote Control Instruments, Opto-Electronic Sight and Objective Acquisition Apparatus Provided with Gyro...

RADAR INSTRUMENTS FOR MEASURING THE SPEED, DIRECTION AND DIMENSIONS OF A MOVING OBJECT

Downloadable non-fiction e-books on a variety of topics