9 Scientific, nautical, surveying, photographic, cinematographic, optical apparatuses and instruments, weighing apparatuses, measurement, signaling, checking (inspection), rescue and teaching apparatuses, apparatuses and instruments for conducting, switching, conversion, accumulation, regulation or control of electricity, apparatus for recording, transmission or reproduction of sound or images, automatic distributors and mechanisms for coin-operated apparatus, cash registers, calculating machines, data-processing machines and computers, punched card office machines, fire-extinguishers, cases therefor tools and instruments, special rescue clothes, protective clothing against accidents