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.
servo motors; gyro components-namely, torquers, a.c. pickoff, spin motors, synchros and resolvers; synchro torque transmitters; synchro torque receivers; synchro torque differential transmitters; synchro torque receiver transmitters; synchro torque differential receivers; synchro control transmitters, synchro control dfferential transmitters; resolvers; servo-motor generators, control and torque synchros, and servo-damping devices