MICROSEN

ELECTRIC, PNEUMATIC, HYDRAULIC, THERMAL AND MECHANICAL DEVICES AND INSTRUMENTS-NAMELY, DETECTORS, INDICATORS, RECORDERS, CONTROLLERS, REGULATORS, RELAYS, SWITCHES, TRANSMITTERS, AMPLIFIERS, TRANSMITTING POTENTIOMETERS, CONVERTERS, AND TRANSFORMERS; AND APPARATUS FOR THE OPERATION OF SELECTORS, LIMITERS, CONTROLLERS, AND SENSORS OF ELECTRIC CIRCUITS