26 [ Electric Meters, Oscillographs, ] Electric Computers, Electronic Computers, [ Electric Network Analyzers, Transient Analyzers, Radio Beacon Apparatus, Radio Range Apparatus, Radio Direction Finders, Radars, High Frequency Measuring Apparatus, Electro-Cardiographs, Electro-Encephalographs, Mass Spectrometers, Radiation Measuring Apparatus, Telemetering Equipments, Dynamic-Balance Measuring Equipments, Electric Microscopes, Transmission Line Fault Locating Apparatus and Electric Exploration Apparatus ]