ELECTROMECHANICAL RELAYS, REED RELAYS, ELECTROMECHANICAL MAGNETICALLY LATCHING RELAYS, [ ACOUSTICAL SWITCHES, ] STEPPINGMOTORS, STEPPING MOTOR DRIVES, STEPPING MOTOR SWITCH COMBINATIONS, MAGNETIC AMPLIFIERS, PHOTO RELAYS, LIGHT SOURCES FOR PHOTO RELAYS, TRANSISTOR AMPLIFIERS, SERVOMECHANISMS, TRANSFORMERS, AND RECTIFIER ASSEMBLIES

ELECTRICAL TESTING AND MEASURING EQUIPMENT--NAMELY, [ ELECTRICAL AND MAGNETIC PICK-UP EQUIPMENT FOR TESTING POWER LINES, INDICATING ELECTRICAL COUNTERS, ] RELAY TEST SETS, [ AUTOMATIC TEMPERATURE CONTROLLERS AND INDICATING AND MEASURING SYSTEMS FOR POWER LINES ]