electrical transformers, switchboards, relays and resistors, dry cell batteries, storage batteries, ammeter, voltmeter, wattmeter, frequency meter, field battery intensity meter, resistance meters and detectors, oscillograph, antennas, bare electrical wire, covered wire, photo fiber cable, communication cable, electric vacuum cleaners, electric slot machines, electric table calculator, electric machine for discharging briquet gas, telephone set, manual switchboard, automatic switchboard, facsimile machine, telegraph switching apparatus, bare wire carrier apparatus, cable carrier apparatus, voice frequency transmission apparatus, television satellite broadcast receivers, clock radios, video cameras for broadcast, artificial satellites, equipment for determining artificial satellite navigation position and earth position, direction finders, radar apparatus, remote control and telemetering apparatus, electric irons, phonograph record players, audio tape recorders, video tape recorders, compact disc players, video disc players, blank audio tapes for tape recorders, blank video tapes, frequency converters, amplifier, blank compact discs, industrial X-ray apparatus, seismic prospecting apparatus, ultrasonic detector, electronic computers, electric microscopes, electric copy machines, robot controller, closed circuit televisions, video monitors, integrated circuits, electronic alarms for protection against burglars, vacuum tubes, diodes, transistors, insulators, operating system and related utility computer programs, and computer programs for use in financial analysis, software development and accounting applications