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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.
accessory products for installation of cable television-namely, subscriber drop materials-namely, matching transformers, matching transformers with high pass filter, attenuator pads, dual input switches with high pass filter, dual input switches with 300 and 75 ohm input, dual input switches with 75 ohm input, grounding blocks, grounding blocks with high pass filter, directional couplers, catv splitters, deluxe quad mount catv splitters, power passing two-way splitters, ground breaker feed-thrus and strand mount brackets; midband to vhf block converters; midband to uhf block converters; midband/superband to uhf block converters; metal cable closures; pay tv encoders; and trunk passives-namely, multi-taps