Machines for physics and chemistry laboratory use, namely, scales; measuring machines, namely, precision dimension-measuring machines, automatic humidity-regulating machines, and material-content testing machines; switches, relays, circuit breakers, controllers, rectifiers, distributors, fuses, and transformers; distributing and controlling machines, namely, induction voltage regulators; batteries, namely, storage batteries and optical batteries; telecommunication machines, namely, telephones, wire communication machines in the nature of telegraphs, wireless communication machines in the nature of cellular telephones; remote earth-measurement-control machines, namely seismographs; electronic-application machines and components thereof, namely, high-frequency sewing machines, industrial X-ray machines, magnetic detectors, magnetic disc shielding cases, electronic microscopes, word processors, electron tubes, computers, computer components in the nature of a computer mouse, electronic circuits, semiconductors, computer peripheral devices in the nature of blank magnetic discs and blank magnetic tapes; electric magnetic measuring apparatuses, namely, phase meters, oscillographs, circuit testers, detection meters, frequency meters, resistance-measuring apparatuses, voltmeters, ampere meters, watt meters, oscillators, and capacity meters