9 Scientific apparatus and instruments, namely, spectrometers; nautical apparatus and instruments, namely, magnetic compasses; surveying apparatus and instruments, namely, leveling rods; photographic apparatus and instruments, namely, cameras; cinematographic apparatus and instruments, namely, projectors; optical apparatus and instruments, namely, optical cables; weighing apparatus and instruments, namely, weighing scales; measuring apparatus and instruments, namely, measuring cups; signaling apparatus and instruments, namely, signal bells; checking apparatus and instruments, namely, computers; life-saving apparatus and instruments, namely, swim floats for safety purposes; and teaching apparatus and instruments, namely, children's educational software; apparatus and instruments for conduction, distribution, conversion, storage, regulation or control of electric current, namely, electric conductors, electric transformers, electric accumulators, voltage regulators; apparatus for recording, transmission or reproduction of sound or images; blank magnetic data carriers, blank recording discs; data processing apparatus and computers; image scanning apparatus, namely, scanners