9
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.
test consoles, calibrators and scale drawing machines for electrical indicating and measuring instruments: electrical instruments and apparatus-namely, voltmeters, potentiometers, wattmeters, ammeters, galvanometers, magnetic testing instruments, voltage multipliers, voltage dividers, volt ratio boxes, decade boxes, and wheatstone bridges; laboratory standard electrical instruments-namely, standard cells, standard magnets, standard resistors, standard shunts, reference standard dynamometers and moving iron instruments; differential measuring instruments for measuring the difference between two electrical values-namely, comparators, ratiometers