9 Scientific, nautical, surveying, electric (electric irons, cigar lighters and cigarette lighters for automobiles, electric kettles and hot water bottles, electric cleaning apparatus for household use, namely vacuum cleaners, floor polishers), including wireless telegraphic, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus for recording, transmission, reproduction of sound and images; magnetic recording media, phonograph records; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines and data processing equipment and computers; fire extinguishing apparatus