SIGMA

ELECTROMECHANICAL RELAYS, REED RELAYS, ELECTROMECHANICAL MAGNETICALLY LATCHING RELAYS, [ ACOUSTICAL SWITCHES, ] STEPPING MOTORS, STEPPING MOTOR DRIVES, [ STEPPING MOTOR SWITCH COMBINATIONS, ] MAGNETIC AMPLIFIERS, PHOTO RELAYS, LIGHT SOURCES FOR PHOTO RELAYS, [ TRANSISTOR AMPLIFIERS, ] SERVO-MECHANISMS, [ TRANSFORMERS AND RECTIFIERS ASSEMBLIES ]

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