2651 Manufacture of instruments and appliances for measuring, testing and navigation

265111 Direction-finding compasses/ other navigational instruments and appliances 265112 Rangefinders, theodolites and tachymetres (tachometers)/ other surveying, hydrographic, oceanographic, hydrological, meteorological or geophysical instruments and appliances 265120 Radar apparatus and radio navigational aid apparatus 265131 Balances of a sensitivity of 5 cg or better 265132 Drafting tables and machines and other drawing, marking-out or mathematical calculating instruments 265133 Instruments for measuring length, for use in the hand (including micrometers and callipers) n.e.c. 265141 Instruments and apparatus for measuring or detecting ionising radiations 265142 Cathode-ray oscilloscopes and cathode-ray oscillographs 265143 Instruments for measuring electrical quantities without a recording device 265144 Instruments and apparatus for telecommunications 265145 Instruments and apparatus for measuring or checking electrical quantities n.e.c. 265151 Hydrometers, thermometers, pyrometers, barometers, hygrometers and psychrometers 265152 Instruments for measuring or checking the flow, level, pressure or other variables of liquids and gases 265153 Instruments and apparatus for physical or chemical analysis n.e.c. 265161 Microscopes (except optical microscopes) and diffraction apparatus 265162 Machines and appliances for testing the mechanical properties of materials 265163 Gas, liquid or electricity supply or production meters 265164 Revolution and production counters, taximeters/ speed indicators and tachometers/ stroboscopes 265165 Automatic regulating or controlling instruments and apparatus, hydraulic or pneumatic 265166 Measuring or checking instruments, appliances and machines n.e.c. 265170 Thermostats, manostats and other automatic regulating or controlling instruments and apparatus 265181 Parts of radar apparatus and radio navigational aid apparatus 265182 Parts and accessories for the goods of 26.51.12, 26.51.32, 26.51.33, 26.51.4 and 26.51.5/ microtomes/ parts n.e.c. 265183 Parts and accessories of microscopes (other than optical) and of diffraction apparatus 265184 Parts and accessories for the goods of 26.51.63 and 26.51.64 265185 Parts and accessories of instruments and apparatus of 26.51.65, 26.51.66 and 26.51.70 265186 Parts and accessories of instruments and apparatus of 26.51.11 and 26.51.62