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.
[ shaft torque meters, rpm meters and power meters for marine engines; ] electronic speed and distance logs including transducers and a computer for determining the speed of and distance traveled by a vessel; [ static and dynamic trim meters for vessels; ] digital indicators for use with speed and distance logs and with shaft torque meters, rpm meters and power meters; electronic fuel economizers including a keyboard, an electrical display, and a computer for use in monitoring and controlling the fuel consumption of a vessel; electrical remote displays; printers; [ oil discharge monitors for vessels; ] gas sampling systems for vessels consisting of detection units, a control unit, and pipes coupling the detection units to the control unit; fire alarms