WESTINGHOUSE

PORTABLE AND SWITCHBOARD GRAPHIC AMMETERS, VOLTMETERS, WATTMETERS, POWER-FACTOR METERS, AND FREQUENCY-METERS; PORTABLE AND SWITCHBOARD INDICATING FREQUENCY-METERS, POWER-FACTOR METERS, AND REACTIVE-FACTOR METERS; SHUNTS FOR DIRECT-CURRENT METERS, MAXIMUM-DEMAND METERS, SYNCHRONIZERS AND SYNCHROSCOPES, WATT-HOUR METERS; INSTRUMENT-TRANSFORMERS, WATT-HOUR-DEMAND METERS, TEMPERATURE-INDICATING INSTRUMENTS, POLYPHASE POWER-FACTOR METERS, SPEED-COUNTERS, SPEEDOMETERS, CYCLOMETERS, TACHOMETERS