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Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
measuring and scientific appliances-namely, measuring tapes, calipers, micrometers, stethoscopes, valve spring testers; gauges, consisting of feeler, compression, vacuum and tire gauges; wheel alignment equipment consisting of angle comparator gauges, caster-camber gauges and turn-tables, generator current indicators, battery condition testers, starter current indicators, cam-angle testers, primary tachometers, ignition testers, low voltage testers, spark plug and cable testers, growler and armature testers, automotive engine testing equipment consisting of d.c. ammeters and d.c. voltmeters