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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.
photographic equipment and apparatus-namely, cameras, lenses, shutters, bellows, slide projectors, enlargers, enlarger lenses, negative carriers, easels, fixed masks, focusscopes, darkroom foot switches, enlarging timers, developing tanks, developing trays, darkroom measuring beakers, stock bottles for darkroom chemicals, film clips, print tongs, darkroom thermometers, darkroom clocks, balances for accurate weighing of photochemicals, darkroom safelight devices, film, print washers, print dryers, ferrotype plates and rollers, print trimmers, darkroom water deionizers, filters, hoods, tripods, tilting pan heads, selftimers, range finders, exposure meters, magazines, releases, flash guns, photo-flash powder equipment and flash lamps; motion picture equipment and apparatus-namely, motion picture cameras, enlargers, enlarger lenses, negative carriers, easels, fixed masks, focusscopes, darkroom foot switchers, enlarging timers, developing tanks, developing trays, darkroom measuring beakers, stock bottles for darkroom chemicals, film clips, print tongs, darkroom thermometers, darkroom clocks, balances for accurate weighing of photochemicals, darkroom safelight devices, film, print washers, print dryers, ferrotype plates and rollers, print trimmers, darkroom water deionizers, editing machines, projectors, screens and image-sound synchro recorders; measuring equipment and apparatus-namely, measuring instruments with graduation of standard measuring unit, namely, rule, tape measure, balance and scale, thermometer, area measuring machine, volume measure, gas meter, water meter, and spirometer; measuring instruments with graduation of derived measuring unit-namely, tachometer, speed meter, acceleration meter, manometer, luminometer, luminoflex meter, illuminometer, refractometer, hygrometer, calorimeter, flowmeter, quantity gauge, densimeter, concentration meter, hydrometer, viscometer, noisemeter, acoumeter, vibration gauge, dynamometer, and log; precision measuring machine and instruments-namely, length gauge, gauge comparator, length measuring machine by interference, angle dividing machine, circular division tester, clinometer, angle gauge, screw thread measuring machine, projector, surface roughness tester, flatness testing machine and alignment testing machine; material testing machines-namely, hardness testing machine for metal use, strength testing machine for metal use, compression testing machine for metal use, cement testing machine, concrete testing machine, lumber testing machine, textile testing machine, rubber testing machine and plastics testing machine; surveying instruments-namely, precise theodolite, transit, sextant, alidade, clinometer, leveling instruments, distance measuring instruments, photogrametric instruments, gyro compass, gyro magnetic compass, magnetic compass, tripods, target, measuring rod, staffs, and base plate; astronomical measuring instruments-namely, zenith telescope, transit instruments, and astronomical spectrograph