NIFE

ELECTRICAL PRIMARY AND SECONDARY CELLS AND STORAGE BATTERIES, INCLUDING DRY CELLS AND WET CELLS, AND PARTS THEREOF; ELECTRICAL ILLUMINATING AND LIGHTING MEANS-NAMELY, LAMPS, LANTERNS, FLASHLIGHTS, MINERS' LAMPS, AND PARTS THEREOF; SELF-SYNCHRONIZING UNITS FOR TRANSMITTING AND INDICATING ELECTRIC CURRENTS-NAMELY, SYNCHRO MOTORS, RESOLVERS, SERVO-MOTORS FOR REMOTE INDICATION, FOR REMOTE CONTROL, FOR SERVO MECHANISMS, AND FOR ELECTRICAL COMPUTATION