MEASURING AND TESTING EQUIPMENT-NAMELY, ELECTRICAL PRECISION MEASURING INSTRUMENTS: WATTMETERS; AMMETERS AND VOLTMETERS, GALVANOMETERS; ELECTROMETERS; OSCILLOSCOPES, COMPENSATORS; MEASURING BRIDGES AND PRECISION RHEOSTATS; CURRENT AND VOLTAGE TRANSFORMERS FOR MEASURING PURPOSES; MEASURING INSTRUMENTS FOR TELECOMMUNICATION ENGINEERING; METERING APPARATUS FOR THE AUTOMATIC REGISTRATION, COMPENSATION, AND INDICATION OF TELEPHONE CALL CHARGES; INK RECORDERS; TELEMETERING APPARATUS; PORTABLE INDUSTRIAL MEASURING INSTRUMENTS; INSULATING AND GROUND-CONNECTION TESTING DEVICES; ((METERSOIL)) TEST BENCHES FOR THE TESTING OF ELECTRICITY METERS AND OTHER ELECTRICAL INSTRUMENTS, CIRCUIT COMPONENTS AND ELECTRICAL MACHINES; FERROMETERS FOR THE EXAMINATION OF IRON; EQUIPMENT FOR ELECTRICAL CALIBRATION; ELECTRICAL INSTRUMENTS FOR CALORIC MEASURING; ELECTRIC TEMPERATURE MEASURING INSTRUMENTS; PSYCHROMETERS; INSTRUMENTS FOR GAS ANALYSIS AND CONDUCTIVITY MEASUREMENTS; VOLUME METERS FOR FLUIDS; ELECTRIC LEVEL METERS; INDUSTRIAL TESTING EQUIPMENT; DYNAMOMETERS; TESTING TRANSFORMERS; MEASURING INSTRUMENT PANELS, ELECTRIC METER PANELS; ELECTRON MICROSCOPES;