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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.
apparatus and instruments, namely, external float cage liquid level controls, displacement type liquid level controls, magnetically operated flow switches, pneumatic liquid level controls, electronic level controls, and level and flow instrumentation for use in measuring, monitoring, indicating, signalling and/or controlling the level of liquids and/or dry materials and the flow of fluids all being goods in this class