Description: Electrical apparatus and instruments for monitoring, inspection and control of transformers, namely, electric controlling devices, automatic pressure control machines, electric regulating pressure apparatus in the nature of pressure regulators for transformers; Electrical transformers and equipment therefor, namely, tap changer, voltmeters; Electrical generation, distribution, control instruments, and transmission monitoring equipment, namely, electronic monitors for monitoring electric current and electrical signals of transformers, liquid level gauges, flow indicators in the nature of flow meters, flow gauges in the nature of pressure gauges, thermostats, temperature measurement devices, pressure relief valves for electrical transformers, pressure controls for controlling the pressure of liquid, semi-liquid, and gaseous substances in industrial processes, pressure gauges, pressure depreciation valve in the nature of automatic valves, electric rapid pressure rise relays, electronic circuits for error correction, transformer breathers, gas accumulation indicator; monitoring devices for monitoring cooling systems for the electrical distribution industry and load tap changers for electrical transformers; monitoring systems for transformers, namely, liquid level gauges, electronic monitors for monitoring differential temperature, oil flow gauges in the nature of pressure gauges, voltage regulator position indicators in the nature of voltage regulators, pressure and vacuum gauges, electronic data loggers and thermometers not for medical purposes
