EM

ELECTRICAL MACHINES AND APPARATUS-NAMELY, SYNCHRONOUS GENERATORS, SYNCHRONOUS MOTORS, DIRECT-CURRENT GENERATORS, INDUCTION MOTORS, VERTICAL HOLLOW-SHAFT SYNCHRONOUS MOTORS, DIRECT-CURRENT MOTORS, DUAL-VOLTAGE SYNCHRONOUS GENERATORS, SYNCHRONOUS CONDENSERS, AUTOMATIC SYNCHRONIZERS, VOLTAGE REGULATORS, FREQUENCY-RESPONSIVE SYNCHRONOUS-MOTOR CONTROLS, POLARIZED FIELD-FREQUENCY SYNCHRONOUS-MOTOR CONTROLS,PARTWINDING-STARTING MOTOR CONTROLS, AUTOMATIC CONTROLS FOR INDUCTION MOTORS, SWITCH MAGNETS, OVERLOAD RELAYS, AUTO-TRANSFORMERS, CURRENT TRANSFORMERS, UNDERVOLTAGE RELEASE RELAYS, FIELD DISCHARGE RESISTORS, DISCONNECTING SWITCHES, CONTROL TRANSFORMERS, REACTORS, RHEOSTATS, MAGNETIC DRIVES, SLIP RING INDUCTION MOTORS, INCHING CONTROLS FOR ELECTRIC MOTORS, AND TWO SPEED INDUCTION MOTORS