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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.
pc tablet device that facilitates training musicians consisting of; stress reduction technology that eliminates the need to interrupt playing to turn pages of the music sheet by automatically scrolling lines of music to optional eye level as the musician plays thus eliminating the need for paper music sheets; provides, note-by-note analyses of the accuracy of trainee practice sessions relative to higher standards of musical skills; provides quantifiable note-by-note grading of students; compares, on a note-by-note basis the progress of trainees when competing with music played by musicians having higher musical skill levels than their own; provides the computer programs and analysis comparisons pertaining thereto