RAYTHEON

AMPLITUDE-MODULATED RADIO TRANSMITTERS, FREQUENCY-MODULATED RADIO TRANSMITTERS, FIXED AND MOBILE RADIO TRANSCEIVERS, RADIO AND AUDIO-FREQUENCY AMPLIFIERS, ANTENNA PHASING AND TUNING APPARATUS AND ANTENNAS, [ RADIO PROGRAM MIXING AND MONITORING APPARATUS, ] MICROWAVE COMMUNICATION TRANSMITTING AND RECEIVING APPARATUS, [ MICROWAVE COOKING APPARATUS, RESISTANCE WELDERS, ELECTROSTATIC DUST PRECIPITATORS, APPARATUS FOR INDUCTIVELY HEATING DIELECTRIC MATERIALS BY HIGH FREQUENCY CURRENTS, ] ELECTRIC CURRENT RECTIFIERS AND FILTERS, [ BATTERY CHARGERS, ] TRANSFORMERS, [ AND ELECTRONIC DISCHARGE TUBES ]