9 Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; calculating machines, data processing equipment and computers; computer hardware and software; monitoring, locating and tracking devices; tracking devices and apparatus, including hand-held devices for the location and identification of articles, including golf balls; tracking devices and apparatus, including devices for the location and identification of missing people, including tape and patches containing such devices; radar apparatus and instruments; remote control apparatus